District energy offers a smarter, more sustainable way to heat and cool cities. By connecting multiple buildings to a centralised energy network, cities can cut emissions, reduce waste, and improve efficiency – building a low-carbon infrastructure for today and tomorrow.
Accelerating energy transition in cities
Cities play a key role in the global energy transition – consuming more than 2/3 of the world’s energy. With 55% of the world’s population already living in urban areas, and is expected to reach 68% by 2050, the need for efficient, low-carbon energy systems is urgent.
District energy is at the heart of this transition – connecting cities through a centralised energy network that significantly cuts emissions, reduces unnecessary energy waste, and makes smarter use of renewables. Whether for new developments or retrofits, district energy helps cities scale sustainably without compromising comfort, reliability, or future flexibility.
How district energy builds resilient, sustainable cities
District energy goes beyond efficient heating and cooling – it enables cities to build resilient, low-carbon infrastructure. As energy becomes scarcer, and more than 50% of heating and cooling energy is wasted, we are here to help cities realise their climate goals and unlock long-term value.
Uncover the technologies driving smarter, more efficient energy systems
Get a clear, visual path into the technical foundations of district heating and cooling. This tool lets you explore how energy is generated, stored, and delivered across modern networks—giving you structured, expert insight in an easy‑to‑navigate way.
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District energy
A district energy system transports heated or chilled water from one or more larger energy production plants to a range of consumers through a closed network of pipes.
District heating
District cooling
District heating is an energy-efficient, sustainable system delivering centralised heat from renewable, waste, or surplus energy sources through insulated pipes to multiple buildings, reducing carbon emissions, optimising energy use, and supporting the clean energy transition.
Provides the thermal energy for the district heating system, utilising various technologies like CHP, boilers, renewables (solar, geothermal), Power-to-Heat,or recovered waste heat streams.
Balances heat supply and demand over time; includes technologies holding thermal energy (daily or seasonally) to improve system efficiency and help integrate variable heat sources.
Responsible for the efficient, reliable transport of thermal energy (as hot water/steam) via insulated pipes, pumps, and controls from generation/storage facilities to end-users.
Handles the final heat delivery stage at the user's property, including the substation for network interfacing and the building's internal setup for heat distribution.
Combined heat and power (CHP / Cogeneration)
A high-efficiency process yielding both usable heat for district networks and electricity from various fuel inputs like gas, oil, biomass, or waste-to-energy. This approach maximises the energy value extracted from the source fuel, enhancing overall effectiveness.
Primary circulation pumps
Drives the primary heat transfer fluid through the CHP unit's heat recovery system (e.g., engine jacket water, exhaust gas heat exchangers). It then circulates this fluid to the district heating network interface, ensuring efficient thermal energy transfer.
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Economizer pump (heat recovery pump)
Circulates feedwater or a process fluid through an economiser to recover residual heat from the CHP prime mover's exhaust gases. This preheats the fluid, significantly increasing the overall thermal efficiency and performance of the CHP plant.
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Pump control system
Regulate the speed and operation of pumps within the CHP plant in response to heat demand, availability, temperatures, and pressures. This optimises energy consumption, ensures stable network conditions, and extends the lifespan of vital pump equipment.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for CHP plant network circulation and pressure boosting, simplifying installation and ensuring system reliability and quality.
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Water treatment system
Monitors and treats the water within the CHP plant and connected district heating network. This prevents corrosion, scaling, and fouling, thereby maximising thermal efficiency, extending essential equipment lifespan, and reducing overall long-term maintenance costs.
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Degassing / Air separator
Removes dissolved gases, such as oxygen and nitrogen, and entrained air from the heating water. This critical function prevents corrosion, operational noise, and reduced thermal efficiency within the CHP system and the wider distribution network.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and heat exchangers, and minimizes the risk of blockages.
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Expansion vessel
Accommodates the volume fluctuations of the heat transfer fluid caused by inevitable temperature changes within the closed-loop system. It prevents excessive pressure buildup or drops, safeguarding the system's integrity and ensuring stable, reliable operational conditions.
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Pressurization unit
Maintains the required static water pressure in the heating network, automatically compensating for any water losses due to leaks or other factors. This ensures efficient operation, prevents pump cavitation, and averts potential system damage from low pressure.
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Drainage/ Sump pump
Safeguard key CHP installations by automatically expelling any ingress of groundwater, rainwater, or system leakage. This crucial function prevents damage to pumps, motors, and electrical systems, maintaining the station's reliability for consistent operation.
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Combined cooling, heat, and power (CCHP / Trigeneration)
A high-efficiency process simultaneously yielding cooling, usable heat, and electricity from a single fuel input (gas, oil, biomass, waste-to-energy). It maximises the source fuel's energy value through highly integrated and efficient energy production.
Primary circulation pumps
Circulate heating, cooling, or heat transfer fluids between the CCHP prime mover, heat recovery units, absorption chillers, and the facility's various thermal energy distribution networks, ensuring efficient energy transfer throughout the integrated CCHP system.
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Economizer pump (heat recovery pump)
Circulates feedwater or a process fluid through an economiser to recover valuable waste heat from the CCHP engine's exhaust gases. This preheats the fluid, significantly boosting the overall plant thermal efficiency and reducing primary energy consumption.
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Pump control system
Regulate pump speed and operation within the CCHP system, managing flow and pressure for heating, cooling, and power generation circuits. This matches load demands, enhances energy efficiency, ensures stable operation, and extends equipment lifespan.
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Modular pumping system
A skid-mounted, factory-assembled unit containing pumps, valves, and controls for specific CCHP loops (heating, cooling). This approach simplifies installation, reduces on-site work, ensures system integration, and maintains high-quality construction standards effectively.
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Water treatment system
Maintains the quality of water used in CCHP heating, cooling, and steam circuits by removing impurities. This crucial process prevents scale, corrosion, and fouling, thereby ensuring sustained operational efficiency and prolonging vital equipment longevity.
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Degassing / Air separator
Remove dissolved gases and entrained air from the heating and cooling water loops within the CCHP system. This action prevents corrosion, significantly improves overall thermal efficiency, and ensures quiet, reliable system operation for all users.
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Side stream filtration system
Continuously filters a portion of the system water in the CCHP's heating or cooling circuits. This removes suspended solids and debris, thereby protecting sensitive equipment from damage and maintaining optimal heat transfer efficiency for performance.
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Expansion vessel
Accommodates the expansion and contraction of water or heat transfer fluids in the CCHP system's closed-loop heating and cooling circuits. This occurs due to temperature changes, and the vessel helps maintain correct system pressure.
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Pressurization unit / Make-up water system
Maintains the required operating pressure in the CCHP heating and cooling circuits by automatically adding treated make-up water. This compensates for any system losses, thereby ensuring sustained system integrity and reliable, efficient operational performance.
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Drainage/ Sump pump
Safeguard key CCHP installations by automatically expelling any ingress of groundwater, rainwater, or system leakage. This crucial function prevents damage to pumps, motors, and electrical systems, ensuring safe operating conditions and plant reliability.
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Heat-only boiler
Equipment focused solely on heat production through fuel combustion (e.g., gas, oil, biomass, waste-to-energy). These boilers typically supply hot water or steam for district heating base load or to meet peak heating demands reliably and efficiently. Heat only boilers are typically deployed in systems in combination with other heat generation sources to meet peak load demands and provide back-up (stand-by).
Primary circulation pump
Responsible for driving the heat transfer fluid, like hot water, through the heat-only boiler plant and into the district heating network. It also recirculates the cooler return water from the network back across the boiler efficiently.
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Boiler shunt pump
Ensure consistent boiler water flow while mixing hot supply with cooler return water, precisely controlling return temperature to prevent thermal shock and flue gas condensation, thereby maintaining efficiency and enhancing boiler performance.
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Economizer pump (heat recovery pump)
Circulates feedwater or system return water through an economiser (heat exchanger) to absorb residual heat from the boiler's flue gases. This preheats the water before it enters the main boiler circuit, thereby improving overall plant efficiency.
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Pump control systems
Regulate the speed and operation of various pumps in response to heat demand, availability, temperatures, and pressures. This optimises energy consumption, ensures stable network temperature and pressure, and extends the lifespan of valuable pump equipment.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for boiler plant circulation and pressure boosting, simplifying installation and ensuring system reliability and performance.
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Water treatment system
Monitors and treats the water within the heating plant and district heating network. This prevents corrosion, scaling, and fouling, thereby maximising thermal efficiency, extending vital equipment lifespan, and reducing overall maintenance costs significantly.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Expansion vessel
Accommodates the volume fluctuations of the heat transfer fluid caused by temperature changes within the closed-loop system. It prevents excessive pressure buildup or drops, safeguarding the system's integrity and ensuring stable, reliable operational stability.
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Pressurization unit / Make-up water system
Maintains the required static water pressure in the heating network, automatically compensating for any water losses due to leaks or other factors. This ensures efficient operation and prevents pump cavitation or potential system damage from low pressure.
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Drainage/ Sump pumps
Safeguard key installations by automatically expelling any ingress of groundwater, rainwater, or system leakage. This crucial function prevents damage to pumps, motors, and electrical systems, maintaining the station's reliability for consistent fluid circulation.
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Electrode boiler
A Power-to-Heat unit supplying network heat via direct electrical energy conversion. It is useful for backup heat, grid balancing services, or integrating surplus renewable electricity by efficiently converting it into thermal energy for district heating systems.
Boiler process pump (primary side)
Circulates water directly through the electric boiler, facilitating efficient heat transfer from the electrodes to the water. This heated water is then typically circulated through an isolated primary loop connected to a main heat exchanger.
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Heat exchanger circulator pump (secondary side)
Circulates water through the secondary side of a heat exchanger. This crucial pump transfers heat effectively from the primary boiler loop to the separate district heating network or a specific industrial process water distribution network.
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Pump control systems
Manage the operation of circulator pumps, optimising flow rates and energy use based on real-time heat demand. This ensures efficient and stable operation of the electric boiler plant, extending equipment lifespan and ensuring consistent network temperatures.
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Modular pumping system
Factory-assembled unit containing pumps, valves, controls, and often a heat exchanger. It’s designed for streamlined installation and optimal integration with the electrode boiler, ensuring system compatibility, reliable performance, and quicker project execution.
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Water treatment system
Monitors and treats the water within the heating plant and district heating network. This prevents corrosion, scaling, and fouling, thereby maximising thermal efficiency, extending vital equipment lifespan, and reducing overall maintenance costs significantly.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Solar thermal energy
Utilises solar collectors for direct sunlight absorption to heat a fluid, typically water or a specialized heat transfer fluid. This offers a renewable thermal input for district heating, often requiring integration with large-scale seasonal storage systems.
Solar circulation pump (primary side)
Circulates a heat transfer fluid through the solar collectors to efficiently absorb solar energy. It then transports this heated fluid to the primary side of a heat exchanger for effective thermal energy transfer to another circuit.
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Heat exchanger circulator pump (secondary side)
Moves water or a heat transfer fluid through the secondary side of the designated heat exchanger. This transfers the collected solar heat from the primary loop to a thermal storage system or directly to the district distribution network.
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Bypass pump/Temperature shunt pump
Manages fluid temperature by mixing return water to optimise heat exchanger performance or protect storage tanks from potentially damage due to excessive temperatures during peak generation.
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Pump control systems
Regulate the operation of solar circulation, temperature shunt, and heat exchanger pumps. They optimise flow based on solar insolation levels and thermal demand, maximising energy efficiency, ensuring stable network conditions, and extending pump equipment lifespan.
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Modular pumping system
Factory-assembled unit containing pumps, valves, controls, and often a heat exchanger. This system is designed for simplified and rapid installation, ensuring quality and seamless integration within the overall solar thermal plant for optimal performance.
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Water treatment system
Maintains the quality of the heat transfer fluid and water within the solar thermal system. It prevents corrosion, scaling, and biological growth in collectors, piping, and heat exchangers, ensuring sustained efficiency and operational reliability.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Large-scale heat pump
Employs electrical power for the significant temperature elevation of low-grade heat from diverse sources like air, water, ground, or industrial waste heat; boosting temperatures for efficient network supply and ensuring consumers don't receive cold water. This makes the upgraded thermal energy suitable and efficient for large-scale network supply.
Primary circulation pump
Circulates the heated water from the heat pump station, potentially through a heat exchanger if deployed, and then into the main district heating network. This ensures the efficient distribution of the upgraded thermal energy to end-users.
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Condenser pump
Circulates water through the heat pump's condenser unit. In this stage, the water absorbs substantial heat from the refrigerant, significantly raising its temperature before it is supplied to the heating distribution network for various applications.
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Evaporator pump
Circulates the low-grade heat source fluid, such as river water, sea water, geothermal brine, or industrial waste heat fluid, through the heat pump's evaporator. This critical process enables the heat pump to efficiently extract available thermal energy.
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Wastewater pumps (when wastewater is the source)
These specialized pumps are designed to transport wastewater or drainage water to the heat pump's evaporator section. This enables the system to effectively recover and utilise the low-grade thermal energy contained within the wastewater as a viable heat source.
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Bypass pump/Temperature shunt
Circulates a portion of the heated water from the heat pump's condenser outlet to mix with cooler return water from the network. This allows precise supply temperature control, maintaining the optimal temperature difference (ΔT) for efficient operation.
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Pump control system
Manages the evaporator, condenser, and any shunt pumps to optimise the heat recovery and delivery processes. It regulates flow rates based on source availability and network demand, ensuring efficient heat pump operation and maximising overall energy savings.
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Water treatment system
Essential for maintaining appropriate water quality on both the heat source and network distribution sides. It prevents scaling, corrosion, and biofouling in heat exchangers, pipes, and pumps, ensuring system efficiency, reliability, and operational longevity.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Geothermal energy
Accesses natural thermal energy from within the Earth, offering a stable, renewable base-load heat source. This energy can be used directly in district heating systems or serve as an input for heat pumps to achieve higher supply temperatures.
Secondary circulation pump (distribution)
Circulates heated water from the geothermal plant's heat exchanger or a heat pump's condenser through the district heating network. This delivers the extracted and processed thermal energy efficiently to the connected consumers for their heating needs.
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Borehole pump (production pump)
Typically, a submersible pump located deep within the geothermal production well. It lifts hot geothermal fluid from the underground reservoir to the surface, making the raw thermal energy available for heat extraction and subsequent processing.
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Injection pump
Re-injects the cooled geothermal fluid back into the geothermal reservoir through a dedicated injection well after heat extraction. This maintains reservoir pressure and fluid balance, ensuring the sustainable and long-term operation of the geothermal system.
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Bypass pump/Temperature shunt
Circulates a portion of the heated water from the condenser outlet to mix with cooler return water from the network. This allows precise supply temperature control, maintaining the optimal temperature difference (ΔT) for efficient heat pump operation.
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Pump control system
Regulates borehole, injection, and circulation pumps to manage geothermal fluid extraction, heat transfer, and reinjection processes effectively. It optimises energy use and maintains a stable heat supply to the network based on real-time consumer demand.
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Water treatment system
Manages the quality of geothermal fluids and distribution water, preventing corrosion, scaling, and fouling in wells, piping, heat exchangers, and pumps. This ensures sustained system efficiency, protects equipment, and prolongs the overall operational longevity.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Waste heat recovery
Incorporates otherwise discarded thermal energy from external industrial, commercial, or municipal processes into the district heating system. This significantly enhances overall energy efficiency and resource utilization by upgrading and repurposing valuable heat that would typically be lost.
Primary circulation pump
Circulates heated water from the waste heat recovery station, often via a heat pump and heat exchanger, into the district heating network. This ensures the efficient distribution and effective utilization of valuable recovered thermal energy for consumers.
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Condenser pump
When a heat pump is used, this pump circulates water through its condenser. Here, water absorbs significant heat from the refrigerant, raising its temperature before it is supplied to the heating distribution network for end-use.
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Evaporator pump
Circulates low-grade heat source fluid—from data centers, industrial effluent, or wastewater—through the heat pump’s evaporator. This critical process allows the heat pump to efficiently extract available thermal energy directly from the diverse waste stream.
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Wastewater pumps (when wastewater is the source)
These specialized pumps transport wastewater or drainage water to the heat pump's evaporator. They are vital for enabling the system to recover and utilise the low-grade thermal energy contained within wastewater streams as a viable heat source.
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Bypass pump/Temperature shunt
Circulates a portion of the heated water from the condenser outlet to mix with cooler return water. This allows for precise temperature control, ensuring the optimal temperature difference (ΔT) required for efficient heat pump system operation.
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Pump control system
Manages the evaporator, condenser, and any shunt pumps to optimise the heat recovery and delivery processes. It regulates flow rates based on source availability and network demand, ensuring efficient heat pump operation and maximising overall energy savings.
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Water treatment system
Essential for maintaining water quality on both waste heat source and distribution sides. It prevents scaling, corrosion, and biofouling in heat exchangers and pipes, ensuring sustained system efficiency, reliability, and long-term operational performance.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Tank storage (TTES)
Insulated steel tanks holding hot water for short-term (daily/weekly) balancing between heat production and fluctuating network demand. This improves operational flexibility and generator efficiency by decoupling heat generation from immediate consumption needs effectively.
Charging/Discharging pumps
These pumps circulate water into and out of the thermal storage tank. Charging pumps move hot water from the heat source into the tank, while discharging pumps extract this stored hot water to meet current network demand.
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Pump control system
Regulate the operation of charging and discharging pumps, managing flow rates, timing, and pressure. Automated controls optimise these crucial processes, thereby maximising energy efficiency and ensuring stable, reliable system performance for the thermal storage tank.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It provides a compact, tested solution for managing the charging and discharging of tank storage systems, simplifying installation and improving system reliability.
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Water treatment system
Vital systems that treat the water within the storage tank to prevent corrosion, scaling, and problematic biological growth. Maintaining high water quality is essential for optimal heat transfer efficiency and significantly prolonging the operational lifespan of the tank.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Pit storage (PTES)
Very large, purpose-built insulated water reservoirs enabling seasonal heat accumulation. This allows storage of low-cost summer heat, often from solar thermal or waste heat sources, for efficient use during peak winter heating demand periods in district energy systems.
Charging/Discharging pumps
These pumps are essential for moving water into the pit to store heat (charging) and extracting heated water from the pit to deliver to the network (discharging). They control water flow rate and direction, critical for efficient thermal storage.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for PTES charging and discharging, simplifying installation, and improving overall system reliability and operational efficiency.
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Pump control system
Regulate the operation of charging and discharging pumps, including flow rates, timing, and pressure. Automated controls optimise these processes, maximising energy efficiency, ensuring stable system performance, and integrating with overall heat demand management for optimal results.
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Water treatment systems
Vital for treating the large volume of water within the pit to prevent issues like algae growth, bacterial contamination, and mineral buildup. Maintaining water quality ensures long-term storage efficiency and prevents damage to other system components.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Aquifer storage (ATES)
Leverages natural underground aquifers for seasonal thermal energy banking through managed cycles of heated or chilled water placement. This system allows for later retrieval of stored thermal energy for efficient network supply, optimising energy resource utilization.
Charging/Discharging pumps
These pumps inject water into the aquifer for thermal storage (charging) and extract water to supply the network (discharging). They precisely control water flow rate and volume, effectively managing the storage and retrieval of thermal energy.
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Primary circulation pumps
Drives the primary heat transfer fluid through the heat exchanger and reversible heat pump, ensuring efficient thermal energy transfer.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for ATES charging and discharging operations, simplifying installation and enhancing overall system reliability and performance.
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Pump control systems
Regulate pump operations to optimise injection and extraction cycles, flow rates, and well pressures in the ATES system. These controls often integrate with broader district energy management systems, maximising energy savings and operational efficiency.
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Water treatment system
Crucial systems that treat water before injection into the aquifer to prevent clogging or adverse chemical reactions reducing permeability. They may also treat extracted water to meet network quality standards, protecting both aquifer and distribution systems.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Borehole storage (BTES)
Facilitates seasonal thermal energy storage directly within the ground using borehole fields equipped with heat exchangers. A circulating fluid medium transfers heat to or from the earth, enabling efficient long-term heat accumulation and later retrieval for network supply.
Charging/Discharging pump
These pumps inject water into the aquifer for thermal storage (charging) and extract water to supply the network (discharging). They precisely control water flow rate and volume, effectively managing the storage and retrieval of thermal energy.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for managing charging and discharging cycles in BTES systems, simplifying installation and improving overall system reliability.
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Pump control systems
Automated control systems regulate pump operation, including flow rates and timing, to optimise charging and discharging cycles. They often integrate with overall district energy management systems to maximise energy savings and match heat demand with stored energy.
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Water treatment system
Crucial systems that treat water before injection into the aquifer to prevent clogging or adverse chemical reactions reducing permeability. They may also treat extracted water to meet network quality standards, protecting both aquifer and distribution systems.
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Degassing / Air separators
Removes dissolved gases (like oxygen and nitrogen) and entrained air from the heating water. This prevents corrosion, operational noise, and reduced thermal efficiency within the boiler system and the connected distribution network for optimal performance.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves heat transfer efficiency, reduces wear on critical components like pumps and valves, and minimizes the risk of blockages.
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Network pumping station
Key installations housing pumps essential for maintaining adequate fluid circulation and pressure throughout the extensive district heating network. These stations ensure reliable thermal energy transport across long distances and varying elevations to all connected end-users.
Main circulation pumps
Primarily responsible for driving the flow of the heat transfer fluid, typically hot water, throughout the extensive district heating network. They overcome inherent pressure losses to reliably deliver thermal energy to all points of consumption.
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Pump control system
Manages and regulates the operation of network circulation pumps, ensuring adequate flow and stable pressure across the district heating network. This system efficiently adapts to changing energy demands, optimising overall performance and energy usage effectively.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a robust skid. It offers a compact, thoroughly tested solution for network circulation and pressure boosting, significantly simplifying on-site installation and commissioning processes.
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Drainage/ Sump pumps
Safeguard key station installations by automatically expelling any ingress of groundwater, rainwater, or critical system leakage. This prevents damage to pumps, motors, and vital electrical systems, thereby maintaining the station's operational reliability and safety.
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Heat exchange station
Key installations facilitating efficient thermal energy transfer between separate hydraulic circuits, such as primary and secondary networks. They ensure optimal heat supply to consumers or specific zones while maintaining hydraulic isolation and pressure integrity between interconnected systems.
Main circulation pumps (secondary side)
Responsible for driving the heat transfer fluid (e.g., hot water) through the secondary side of the heat exchanger and throughout the subsequent extensive district heating network, overcoming pressure losses to deliver heat effectively to end-users.
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Pump control system
Manages and regulates the operation of network circulation pumps, ensuring adequate flow and stable pressure across the district heating network. It adapts to changing energy demands efficiently, optimising performance and energy consumption within the system.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for network circulation and pressure boosting, simplifying installation and enhancing system reliability at the station.
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Water treatment system
Monitors and treats the circulating fluid to maintain optimal water quality. It prevents corrosion, scaling, and biological fouling, ensuring efficient heat transfer, prolonging equipment lifespan, and minimizing operational disruptions within the network and station components.
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Degassing / Air separators
Removes dissolved gases, such as air and oxygen, from the heating system water. This prevents corrosion, improves heat transfer efficiency, and reduces noise and potential blockages, ensuring smooth operation of the heat exchange station components.
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Side stream filtration system
Remove particulate matter, sludge, and debris from the circulating system water. This protects sensitive components like heat exchangers, pumps, and valves within the station from blockages and abrasive wear, maintaining operational integrity and efficiency.
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Expansion vessel
Accommodates volume fluctuations of the heat transfer fluid caused by temperature changes within the closed-loop network. It prevents excessive pressure buildup or drops, safeguarding the system's integrity and ensuring stable operational stability for reliable performance.
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Pressurization unit / Make-up water system
Maintains the required pressure within the network by automatically adding treated water to compensate for any leaks or water losses. It ensures consistent pressure for efficient heat transport across varying distances and elevations served by the station.
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Drainage/ Sump pumps
Safeguard key installations by automatically expelling any ingress of groundwater, rainwater, or leakage. This prevents damage to pumps, motors, and electrical systems, maintaining the station's reliability for consistent fluid circulation and safety.
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Mixing loop
A hydraulic circuit enabling precise temperature control by managed blending of hotter supply water with cooler return water. This ensures optimal temperature delivery to network sections or buildings, enhancing system efficiency and operational stability effectively.
Circulation pumps
Drives the continuous flow of water, ensuring efficient mixing of supply and return streams within the loop. This consistent movement is vital for accurately maintaining the desired temperature throughout the designated circuit for optimal thermal comfort.
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Pump control system
Precisely regulates flow rates of hot supply and cooler return water via the pump and associated control valves. By actively managing this blending process, it achieves and consistently maintains the target temperature within the network mixing loop.
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Modular pumping system
A factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for network circulation and precise temperature/pressure management within the mixing loop, greatly simplifying site installation.
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Intelligent temperature zone
A network section managed with adaptive controls, allowing supply temperature adjustments based on real-time data. This ensures optimised zonal heat delivery according to specific demands, significantly reducing heat losses and enhancing overall network operational efficiency.
Modular solution (iGRID temperature zone)
This solution optimises temperature distribution in district heating networks by reducing supply temperature in less demanding zones using an intelligent mixing loop. It lowers heat losses, energy consumption, and carbon emissions, while increasing network capacity effectively
- Decentralised temperature control: The iGRID Temperature Zone divides the district heating network into smaller zones. Each zone can have its temperature adjusted independently based on the specific demand, ensuring that only the necessary amount of heat is supplied.
- Mixing loop: The system uses an intelligent mixing loop to blend return water with supply water. This helps achieve the desired supply temperature for each zone by mixing cooler return water into the hotter supply line.
- Real-time monitoring and control: Sensors and control units continuously monitor temperature and flow rates in real-time. This data is used to dynamically adjust the mixing pump speed, ensuring optimal temperature and efficient operation.
- Integration with SCADA: The iGRID Temperature Zone can be controlled locally or integrated with a SCADA system for centralised management. This ensures seamless operation and easy monitoring.
- Modular design: The system is modular and can be installed in various configurations, such as in a pit, on a skid, or in a cabinet. This flexibility allows it to be tailored to specific network needs.
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Intelligent pressure zone
A network segment featuring dynamic pressure regulation via pumps or valves, based on real-time conditions. It enhances hydraulic stability, manages topographical effects, minimizes leaks, and optimises pumping energy, ensuring efficient and reliable network operation.
Modular solution (iGRID pressure zone)
Solution designed to optimise pressure control within district heating networks. By adding pressure only where needed, the iGRID Pressure Zone reduces the overall pressure requirements of the main pumps. This leads to significant energy savings, reduces leakage risks and extends the lifespan of the network infrastructure. The system includes pressure gauges, flow metres, and temperature sensors, to ensure reliable operation. Backup systems are also in place to maintain continuous operation in case of a failure.
- Decentralised pressure control: Instead of relying on a single, centralised pump to maintain pressure across the entire network, the iGRID Pressure Zone uses decentralized, pressure-controlled pumps. These pumps are strategically placed around the grid to boost pressure exactly where it’s needed, avoiding over-pressurising other parts of the network.
- Real-time monitoring and control: The system incorporates sensors and control units that monitor pressure and temperature in real-time. This data is used to adjust the pump operation dynamically, ensuring optimal pressure throughout the network. The system can be controlled locally or integrated with a SCADA system for centralised management.
- Integration with SCADA: The iGRID Temperature Zone can be controlled locally or integrated with a SCADA system for centralised management. This ensures seamless operation and easy monitoring.
- Modular design: The system is modular and can be installed in various configurations, such as in a pit, on a skid, or in a cabinet. This flexibility allows it to be tailored to specific network needs.
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Intelligent temperature & pressure zone
A network segment using adaptive controls and real-time data for dynamic management of both supply temperature and pressure. This enhances stability, optimises heat delivery, minimizes losses and leaks, and prevents excess pressure and temperature conditions effectively.
Modular solution (iGRID temperature zone with pressure boosting)
This solution optimises temperature and pressure distribution in a selected district heating zone. It uses dedicated booster pumps to ensure adequate flow and pressure when lower supply temperatures, achieved via a mixing loop, necessitate higher flow rates.
- Decentralised temperature control: The iGRID Temperature Zone divides the district heating network into smaller zones. Each zone can have its temperature adjusted independently based on the specific demand, ensuring that only the necessary amount of heat is supplied.
- Mixing loop: The system uses an intelligent mixing loop to blend return water with supply water. This helps achieve the desired supply temperature for each zone by mixing cooler return water into the hotter supply line.
- Dedicated pressure boosting pump(s): Lowering supply temperature to a District Heating Zone may require higher flow rate. The additional pump(s) ensures adequate flow and pressure supply to the zone.
- Real-time monitoring and control: Sensors and control units continuously monitor temperature and flow rates in real-time. This data is used to dynamically adjust the mixing pump speed, pressure boosting pump (s), ensuring optimal temperature and efficient operation.
- Integration with SCADA: The iGRID Temperature & Pressure Zone can be controlled locally or integrated with a SCADA system for centralised management. This ensures seamless operation and easy monitoring.
- Modular design: The system is modular and can be installed in various configurations, such as in a pit, on a skid, or in a cabinet. This flexibility allows it to be tailored to specific network needs.
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Modular solution (iGRID pressure reduction zone with mixing)
This solution optimises temperature and pressure in a district heating zone by first reducing excessive network pressure. It then uses an intelligent mixing loop for precise temperature control, water returning from the zone may require pressure increase by additional booster pump in the return to main network.
- Decentralised temperature control: The system uses pressure reduction unit placed before mixing point controlling supply temperature to a selected zone in the network.
- Mixing loop: The system uses an intelligent mixing loop to blend return water with supply water. This helps achieve the desired supply temperature for each zone by mixing cooler return water into the hotter supply line.
- Real-time monitoring and control: Sensors and control units continuously monitor temperature and flow rates in real-time. This data is used to dynamically adjust the mixing pump speed, pressure boosting pump (s), ensuring optimal temperature and efficient operation.
- Integration with SCADA: The iGRID Temperature & Pressure Zone can be controlled locally or integrated with a SCADA system for centralised management. This ensures seamless operation and easy monitoring.
- Modular design: The system is modular and can be installed in various configurations, such as in a pit, on a skid, or in a cabinet. This flexibility allows it to be tailored to specific network needs.
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Network monitoring
A comprehensive system of sensors and metres deployed across the network, providing vital real-time data like flow, temperature, and pressure. This enables thorough operational oversight, swift diagnostics, and continuous performance optimization of the entire district heating system.
iGRID pit measure point
Standalone monitoring devices continuously measuring temperature and pressure at critical district heating grid locations, often in existing valve chambers. Powered by a thermoelectric generator, it sends real-time data to SCADA/Grundfos Cloud for hydraulic insights and demand-based optimization.
- Standalone unit, typically located in an existing valve chamber
- Portable device for calibrating heat grids and verifying hydraulic software
- Temperature and pressure monitored in supply and return lines
- Powered by Thermal Electric Generator –no need for connection to electric power supply or batteries
- Measured data transmitted via onboard GSM interface to Grundfos Cloud
- Data can be accessed via the Grundfos iGRID web portal or integrated with SCADA
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iGRID building measurement point
Monitoring devices continuously measuring temperature and pressure at connected consumer buildings within the district heating grid. Data is sent to SCADA or Grundfos Cloud, enabling hydraulic understanding, performance optimization, and demand-based control for enhanced efficiency.
- Standalone unit, typically located at the inlet valve chamber/building substation room.
- Temperature and pressure monitored in supply and return lines
- Powered by 230V low voltage power supply
- Measured data transmitted via onboard GSM interface to Grundfos Cloud
- Data can be accessed via the Grundfos iGRID web portal or integrated with SCADA
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Distributed pumping
An advanced pumping strategy ensuring optimal heat and pressure distribution throughout the network based on real-time demand. This approach enhances overall efficiency, improves service quality, and ensures precise pressure and heat delivery to all connected consumers.
Primary pumps
These pumps circulate water within substations, typically between the main heat exchanger and a hydraulic decoupler. They provide the necessary flow and pressure on the primary side of the network, ensuring consistent and reliable thermal energy transfer.
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Pump control system
Regulates the speed and operation of primary pumps based on temperature sensor feedback from the network. This system optimises energy consumption and prevents issues like low ΔT syndrome by precisely adjusting pump flow and pressure according to zone-side demand.
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Zone pumps (distributed pumps)
Ensure optimal flow and pressure for individual building units or specific zones within the heating network. They adjust their operation based on temperature sensor inputs/ ΔP sensor inputs, providing efficient, tailored heat and pressure distribution to meet specific zone requirements accurately.
Building substation
The primary interface at the consumer property, responsible for safe, efficient thermal energy transfer. It connects the high-temperature district network to the building's lower-temperature heating and hot water systems, ensuring system compatibility and optimal performance.
Building circulation (secondary) pump
Circulates the heated water from the substation (after the heat exchanger) through the building's internal heating circuits, like radiators or underfloor systems, ensuring proper heat distribution.
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Pump control system
Manages the secondary circulation pump for distributing heat within the building. It also helps maintain stable operating pressure in the building's heating circuit, ensuring efficient heat transfer, system protection, and optimal operational conditions for all components.
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Modular pumping system
Factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for a building substation, simplifying installation and ensuring system reliability and quality.
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Water treatment system
Monitors and treats the water within the building's heating and/or cooling circuits. It effectively prevents corrosion, scale formation, and microbial growth, thereby protecting equipment, maintaining design efficiency, and significantly extending the system's operational lifespan.
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Degassing / Air separators
Removes dissolved gases, primarily air and oxygen, from the heating system water. This process is vital to prevent internal corrosion, improve overall thermal efficiency, reduce operational noise, and minimize the risk of potential blockages in pipes.
Side stream filtration system
Removes particulate matter, sludge, and other debris from the circulating system water. This protective function shields sensitive components like heat exchangers, pumps, and valves from blockages and abrasive wear, ensuring long-term efficiency and system reliability.
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Expansion vessel
Accommodates water volume expansion as it heats up within the building's closed heating system. This crucial component maintains correct system pressure, effectively preventing overpressure or vacuum conditions which could otherwise lead to system damage or failure.
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Pressurization unit / Make-up water system
Automatically monitors and maintains the designated water pressure in the building's heating system. It replenishes any lost water to ensure efficient, continuous operation and prevent low-pressure issues that could affect performance or damage the equipment.
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Prosumer substation
An advanced interface enabling bidirectional thermal energy flow. It accommodates buildings that not only receive heat from the district network but can also export locally generated surplus heat back into the system, fostering integrated and flexible energy solutions.
Building circulation (secondary) pump
Circulates heated water from the prosumer substation, post-heat exchanger, through the building’s internal heating circuits like radiators or underfloor systems. This ensures proper heat distribution and comfort within the prosumer’s premises efficiently and reliably.
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Primary circuit export pump
Facilitates the export of surplus heat from the prosumer's system back into the main district heating distribution network. It provides the necessary pressure to inject the prosumer's heated water, enabling active energy contribution.
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Modular pumping system
An all-in-one, pre-fabricated, engineered Grundfos unit serving as the indirect connection point. It safely and efficiently transfers thermal energy bidirectionally between the district heating network and connected consumer applications, simplifying installation and ensuring performance.
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Side stream filtration system
Continuously filters a portion of the system water heating or cooling circuits. This removes suspended solids and debris, thereby protecting sensitive equipment from damage and maintaining optimal heat transfer efficiency for performance.
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Building mixing loop
A crucial control circuit within a building's heating system, typically installed after the substation. It ensures precise temperature regulation for internal heat distribution, like radiators or underfloor heating, optimising comfort and enhancing energy efficiency throughout the building.
Building circulation (secondary) pump
Ensures continuous water circulation within the building's secondary heating circuit, drawing mixed water through elements like radiators. It maintains the desired flow rate, vital for effective temperature control, consistent comfort levels, and optimal system performance.
- Integrated mixing loop: Grundfos MIXIT is An integrated, all-in-one mixing loop solution combining valve, actuator, controller, and sensors. MIXIT simplifies installation and optimises temperature control in heating and cooling systems by dynamically adjusting to real-time demand, enhancing energy efficiency and enabling remote management.
- Dynamic adjustment: The system dynamically adjusts the mixing ratio based on real-time demand and external temperature conditions (weather compensation). This ensures that the heating supply matches the current needs of the buildings connected to the network.
- AAdvanced control systems: A MIXIT is equipped with advanced control systems that monitor temperature, flow rates, and pressure in real-time. These systems automatically adjust the operation of the mixing valves and pumps to maintain optimal performance.
- Energy efficiency: By optimising the mixing process and reducing unnecessary heat loss, the MIXIT solution significantly improves energy efficiency. This leads to lower operational costs and reduced carbon emissions.
- Remote monitoring and control: The system can be monitored and controlled remotely via the Grundfos Building Connect platform. This allows for real-time data access and management, making it easier to optimise the system’s performance and respond to any issues promptly.
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Water treatment system
Monitors and treats the water within the building's heating and/or cooling circuits. It effectively prevents corrosion, scale formation, and microbial growth, thereby protecting equipment, maintaining design efficiency, and significantly extending the system's operational lifespan.
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Degassing / Air separators
Removes dissolved gases, primarily air and oxygen, from the heating system water. This process is vital to prevent internal corrosion, improve overall thermal efficiency, reduce operational noise, and minimize the risk of potential blockages in pipes.
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Side stream filtration system
Removes particulate matter, sludge, and other debris from the circulating system water. This protective function shields sensitive components like heat exchangers, pumps, and valves from blockages and abrasive wear, ensuring long-term efficiency and system reliability.
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Services
Provides comprehensive services for the ongoing operation, maintenance, and optimization of the plant and associated district network, ensuring long-term reliability and performance.
District cooling is a sustainable, energy-efficient system supplying centrally produced chilled water through insulated pipes to multiple buildings, reducing electricity demand, enhancing comfort, lowering carbon emissions, and supporting urban sustainability and the global clean energy transition.
The core process stage where the cooling effect is generated, resulting in chilled water supplied to the network to meet the district's cooling requirements.
The infrastructure responsible for efficiently transporting chilled water via insulated pipes, pumps, and controls from the production plant(s) to the connected consumer buildings across the service area.
Equipment and installations at the end-user's building that receive chilled water from the network via an interface station and distribute cooling internally for air conditioning purposes.
District cooling plant (DCP)
The central facility housing primary process equipment like chillers, rejection equipment, thermal storage, and pumps. It's dedicated to large-scale chilled water generation, efficiently supplying the extensive district cooling network to meet consumer cooling demands effectively.
Primary pumps
Circulate chilled water through the primary loop, connecting chillers to either the secondary distribution system or directly to primary-network consumers. They ensure efficient cooling energy transfer while maintaining crucial design flow rates within the plant.
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Secondary pumps (distribution):
Distribute chilled water from the plant's primary loop or thermal storage, via the extensive district cooling network, to consumer buildings. Typically utilising variable speed drives, they efficiently match fluctuating cooling demands across the entire network.
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Condenser pumps
These pumps circulate water between the chillers' condensers and the rejection equipment, which are commonly cooling towers. They are vital for continuously dissipating the extracted from the chilled water loop, ensuring efficient chiller operation.
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Thermal energy storage charging/Discharging pumps
Charging pumps send chilled water to storage tanks during low-demand periods. Discharging pumps supply this stored water to the network during peak demand, optimising plant efficiency, capacity, and overall operational costs for the facility.
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Cooling tower make up water pumps
Supplies fresh/treated water to the cooling tower basin, compensating for losses due to evaporation, drift, and blowdown. It maintains the necessary water level and quality, ensuring efficient rejection and reliable tower performance.
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Modular pumping system
A factory-assembled, skid-mounted unit with pumps, valves, controls, and pipework for specific circuits. These compact, tested solutions streamline plant design, simplify site installation, and ensure reliable performance for various district cooling applications.
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Pump control systems
Manages and optimises all pumps (primary, secondary, condenser, TES) within the plant. It adjusts speeds and sequencing based on cooling load and temperatures, enhancing overall plant operational efficiency and reducing energy consumption significantly.
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Pressurization unit/Make-up water system
Maintains the static pressure in the closed-loop chilled water distribution network by automatically adding treated water. It compensates for water losses, ensuring network integrity, preventing cavitation, and promoting stable, efficient pump operation.
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Expansion vessel
Accommodates chilled water volume fluctuations within the closed-loop distribution network caused by temperature changes. It maintains stable system pressure, preventing over-pressurisation or low-pressure conditions, thus safeguarding network integrity and all connected equipment.
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Degassing / Air separator
Removes dissolved gases, such as oxygen and nitrogen, and entrained air from the chilled water. This critical function prevents corrosion, operational noise, and reduced thermal efficiency within the CHP system and the wider distribution network.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves transfer efficiency, reduces wear on critical components like pumps and heat exchangers, and minimizes the risk of blockages.
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Drainage/Sump pumps
Automatically remove accumulated water from plant rooms, sumps, or underground vaults resulting from leaks, groundwater ingress, or condensate. They protect critical district cooling equipment, electrical systems, and infrastructure from potential water damage effectively.
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Water treatment system
Manages water chemistry for both the closed-loop chilled water and open-loop condenser water circuits. It prevents corrosion, scaling, biological growth, and fouling, ensuring optimal chiller efficiency, transfer rates, and equipment longevity.
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Combined cooling, heating, and power (CCHP / Trigeneration)
A high-efficiency process simultaneously yielding cooling, usable heat, and electricity from a single fuel input (gas, oil, biomass, waste-to-energy). It maximises the source fuel's energy value through highly integrated and efficient energy production.
Primary circulation pumps
Circulate heating, cooling, or transfer fluids between the CCHP prime mover, recovery units, absorption chillers, and the facility's various thermal energy distribution networks, ensuring efficient energy transfer throughout the integrated CCHP system.
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Economizer pump ( recovery pump)
Circulates feedwater or a process fluid through an economiser to recover valuable waste from the CCHP engine's exhaust gases. This pres the fluid, significantly boosting the overall plant thermal efficiency and reducing primary energy consumption.
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Pump control systems
Regulate pump speed and operation within the CCHP system, managing flow and pressure for ing, cooling, and power generation circuits. This matches load demands, enhances energy efficiency, ensures stable operation, and extends equipment lifespan.
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Modular pumping system
A skid-mounted, factory-assembled unit containing pumps, valves, and controls for specific CCHP loops (ing, cooling). This approach simplifies installation, reduces on-site work, ensures system integration, and maintains high-quality construction standards effectively.
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Water treatment system
Maintains the quality of water used in CCHP heating, cooling, and steam circuits by removing impurities. This crucial process prevents scale, corrosion, and fouling, thereby ensuring sustained operational efficiency and prolonging vital equipment longevity.
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Degassing / Air separators
Remove dissolved gases and entrained air from the heating and cooling water loops within the CCHP system. This action prevents corrosion, significantly improves overall thermal efficiency, and ensures quiet, reliable system operation for all users.
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Side stream filtration system
Continuously filters a portion of the system water in the CCHP's heating or cooling circuits. This removes suspended solids and debris, thereby protecting sensitive equipment from damage and maintaining optimal transfer efficiency for performance.
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Expansion vessel
Accommodates the expansion and contraction of water or transfer fluids in the CCHP system's closed-loop heating and cooling circuits. This occurs due to temperature changes, and the vessel helps maintain correct system pressure.
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Pressurization unit / Make-up water system
Maintains the required operating pressure in the CCHP heating and cooling circuits by automatically adding treated make-up water. This compensates for any system losses, thereby ensuring sustained system integrity and reliable, efficient operational performance.
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Drainage/Sump pumps
Safeguard key CCHP installations by automatically expelling any ingress of groundwater, rainwater, or system leakage. This crucial function prevents damage to pumps, motors, and electrical systems, ensuring safe operating conditions and plant reliability.
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Direct free cooling
An energy-saving method using naturally available cool sources (e.g., deep seawater, lakes, or ambient air indirectly). It directly utilises this "free" cooling via heat exchangers to meet cooling demands, entirely without reliance on mechanical chillers.
Source water intake pumps
These pumps are crucial for drawing large volumes of naturally cool water from sources like deep seawater, lakes, or ponds. Their primary role is to supply this cool water to the heat exchangers within the district cooling plant.
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Primary pumps
Circulate chilled water from the heat exchangers (that are cooled by the source water) through the primary loop of the district cooling plant equipment. They ensure efficient cooling energy transfer to the secondary distribution system.
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Secondary pumps (distribution)
These pumps circulate the chilled water, cooled solely by the natural source via heat exchangers, through the extensive underground piping network to the connected buildings. They ensure that cool energy reaches all consumers efficiently within the district cooling scheme.
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Thermal energy storage charging/Discharging pumps
In systems with thermal storage tanks, these pumps either send cooled water (from free cooling source) to the storage tank during low demand (charging) or draw cooled water from the tank to meet peak demand (discharging), optimising free cooling.
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Modular pumping systems
This offers a compact, factory-assembled, and tested pumping solution, including pumps, controls, and valves. It can simplify and expedite plant construction or expansion, providing a standardized and reliable component for the free cooling district cooling system
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Pump control systems
These integrated systems manage and optimise the operation of all pumps (source, primary, condenser-equivalent, secondary, TES). They adjust flow rates based on cooling load and system conditions, maximising energy efficiency and ensuring stable operation of the plant.
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Pressurization unit/Make-up water system
This system maintains the required pressure within the closed-loop distribution network by automatically adding treated water to compensate for any losses. This ensures consistent cooling delivery by preventing pump cavitation and maintaining system integrity.
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Expansion vessel
The expansion vessel accommodates the change in water volume within the closed distribution network as its temperature fluctuates. It helps maintain stable system pressure, preventing over-pressurisation or low-pressure conditions that could affect performance and equipment.
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Degassing / Air separator
Removes dissolved gases, such as oxygen and nitrogen, and entrained air from the chilled water. This critical function prevents corrosion, operational noise, and reduced thermal efficiency within the CHP system and the wider distribution network.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves transfer efficiency, reduces wear on critical components like pumps and heat exchangers, and minimizes the risk of blockages.
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Drainage/Sump pumps
These pumps are essential for removing any accumulated water from plant sumps, trenches, or below-grade areas due to seepage, spills, or maintenance. They prevent flooding and protect equipment within the district cooling facility effectively.
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Water treatment system
This system treats both the source water (if necessary, depending on its quality) and the closed-loop distribution water. It prevents scaling, corrosion, and biological fouling in pipes and heat exchangers, ensuring efficient thermal transfer and system longevity.
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Indirect free cooling (aquathermal rejection)
An energy-saving method using naturally cool sources (e.g., deep seawater, lakes, or favorable ambient conditions indirectly). It primarily utilises this free cooling capacity to reject from the chiller's condenser side, significantly reducing chiller energy consumption and reducing water consumption, by eliminating evaporative water loss through cooling towers.
Source water intake pumps
These pumps draw cool water from natural sources like seas or lakes. This water is used as cooling water for the chillers' condensers, enhancing overall plant efficiency.
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Primary pump
Circulate chilled water from the chillers through the primary loop of the district cooling plant equipment. They ensure efficient cooling energy transfer to the secondary distribution system or directly to primary-network-connected consumers, maintaining crucial design flow rates.
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Secondary pumps (distribution)
These pumps are responsible for circulating the chilled water, produced by the chillers, through the district's network to various consumer buildings. They ensure consistent and adequate cooling supply throughout the system, adapting to demand variations efficiently.
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Condenser pump
These pumps are vital for circulating water between the chillers' condensers and the rejection equipment, which in this case, often involves source water heat exchangers. They facilitate the removal of absorbed by the refrigerant.
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Thermal energy storage charging/Discharging pumps
These pumps manage the flow of chilled water to and from thermal energy storage tanks. They charge the tanks during low-demand periods or when free cooling is abundant, and discharge to meet peak cooling loads efficiently.
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Modular pumping systems
This provides a complete, factory-assembled pumping unit (potentially for source, condenser, or secondary circuits). It offers quicker installation, a smaller footprint, and standardized design, aiding in efficient plant construction or phased expansion of cooling capacity.
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Pump control systems
These integrated systems manage and optimise the operation of all pumps (source, primary, condenser, secondary, TES). They adjust flow rates based on cooling load and system conditions, maximising energy efficiency and ensuring efficient circulation by the pumps
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Pressurization unit/Make-up water system
This system maintains the correct operating pressure in the closed-loop chilled water distribution network and the condenser water loop. It automatically replenishes any water lost due to leaks, ensuring efficient pump operation and overall system performance.
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Expansion vessel
This vessel accommodates the thermal expansion and contraction of water in both the chilled water and condenser water circuits as temperatures vary. It maintains system pressure stability, preventing damage and ensuring efficient circulation by the pumps.
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Degassing / Air separator
Removes dissolved gases, such as oxygen and nitrogen, and entrained air from the chilled water. This critical function prevents corrosion, operational noise, and reduced thermal efficiency within the CHP system and the wider distribution network.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves transfer efficiency, reduces wear on critical components like pumps and heat exchangers, and minimizes the risk of blockages.
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Drainage/Sump pumps
These pumps are crucial for removing unwanted water accumulation in plant areas, such as from leaks, condensation, or cleaning activities. They protect equipment from water damage and maintain a safe operating environment within the facility.
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Water treatment system
This system treats water in all circuits: source water (if used directly), chilled water, and condenser water. It prevents corrosion, scaling, and biological growth, protecting equipment like chillers, heat exchangers, and pipes, ensuring optimal efficiency.
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Network pumping station
Key installations housing pumps essential for maintaining adequate chilled water circulation and pressure throughout the extensive district cooling network. These stations ensure reliable cooling energy transport across long distances and varying elevations to all connected end-users.
Main circulation pumps
These pumps are the primary drivers for distributing chilled water throughout the extensive district cooling network. They overcome system pressure losses, ensuring reliable and efficient delivery of cooling energy from the central plant to all end-users.
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Pump control systems
This system manages and regulates the network circulation pumps' operation, ensuring adequate flow and stable pressure across the district cooling network. It intelligently adapts to changing cooling demands, optimising overall performance and energy usage throughout the infrastructure.
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Pre-packaged modular pumping system
A factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a robust skid. This compact, thoroughly tested solution simplifies on-site installation for district cooling network circulation and pressure boosting, ensuring quality and rapid deployment.
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Drainage/Sump pumps
These pumps safeguard key station installations by automatically expelling any ingress of groundwater, rainwater, or critical system leakage. This preventative measure protects pumps, motors, and vital electrical systems, thereby maintaining the station's operational reliability.
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Exchange station
Key installations housing pumps essential for maintaining adequate chilled water circulation and pressure throughout the extensive district cooling network. These stations ensure reliable cooling energy transport across long distances and varying elevations to all connected end-users.
Main circulation pumps
These pumps are the primary drivers for distributing chilled water throughout the extensive district cooling network. They overcome system pressure losses, ensuring reliable and efficient delivery of cooling energy from the central plant to all end-users.
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Pump control systems
This system manages and regulates the network circulation pumps' operation, ensuring adequate flow and stable pressure across the district cooling network. It intelligently adapts to changing cooling demands, optimising overall performance and energy usage throughout the infrastructure
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Modular pumping systems
A factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a robust skid. This compact, thoroughly tested solution simplifies on-site installation for district cooling network circulation and pressure boosting, ensuring quality and rapid deployment.
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Pressurization unit/Make-up water system
Maintains the static pressure in the closed-loop chilled water distribution network by automatically adding treated water. It compensates for water losses, ensuring network integrity, preventing cavitation, and promoting stable, efficient pump operation.
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Expansion vessel
Accommodates chilled water volume fluctuations within the closed-loop distribution network caused by temperature changes. It maintains stable system pressure, preventing over-pressurisation or low-pressure conditions, thus safeguarding network integrity and all connected equipment.
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Degassing / Air separator
Removes dissolved gases, such as oxygen and nitrogen, and entrained air from the chilled water. This critical function prevents corrosion, operational noise, and reduced thermal efficiency within the CHP system and the wider distribution network.
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Side stream filtration system
Continuously filters a portion of the network water to remove suspended solids and various impurities. This improves transfer efficiency, reduces wear on critical components like pumps and heat exchangers, and minimizes the risk of blockages.
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Drainage/Sump pumps
These pumps safeguard key station installations by automatically expelling any ingress of groundwater, rainwater, or critical system leakage. This preventative measure protects pumps, motors, and vital electrical systems, thereby maintaining the station's operational reliability.
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Water treatment system
Manages water chemistry for both the closed-loop chilled water and open-loop condenser water circuits. It prevents corrosion, scaling, biological growth, and fouling, ensuring optimal chiller efficiency, transfer rates, and equipment longevity.
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Mixing loop
A hydraulic circuit enabling precise supply temperature control by managed blending of colder supply chilled water with warmer return chilled water. This allows delivering a specific, often moderated, cooling temperature to dedicated network sections or buildings.
Circulation pumps
Drives the continuous flow of water, ensuring efficient mixing of the main chilled water supply and warmer return streams within the loop. This consistent movement is vital for accurately maintaining the desired elevated supply temperature.
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Pump control systems
Precisely regulates flow rates of cold supply and warmer return chilled water via the pump and associated control valves. By actively managing this blending, it achieves and maintains the target supply temperature within the network mixing loop.
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Modular pumping systems
A factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for district cooling network circulation and precise temperature/pressure management within the mixing loop application.
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Distributed pumping system for grids
An advanced pumping strategy ensuring optimal and pressure distribution throughout the network based on real-time demand. This approach enhances overall efficiency, improves service quality, and ensures precise pressure and delivery to all connected consumers.
Primary pumps
These pumps circulate water within district cooling plant, from the evaporator coil of the chiller to the hydraulic decoupler. They provide the necessary flow and pressure on the primary side of the network, ensuring consistent and reliable thermal energy transfer.
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Distributed secondary pumps (zone pumps)
Ensure optimal flow and pressure for individual building units or specific zones within the cooling network. They adjust their operation based on temperature sensor inputs/ ΔP sensor inputs, providing efficient, tailored cooling energy and pressure distribution to meet specific zone requirements accurately.
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Pump control system
Regulates the speed and operation of primary pumps based on feedback from 4 temperature sensors across the hydraulic decoupler. This system optimises energy consumption and prevents issues like low ΔT syndrome by precisely adjusting pump flow and pressure according to zone-side demand.
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Modular pumping systems
A factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for district cooling network circulation and precise temperature/pressure management within the distributed secondary application.
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Energy transfer station (ETS) – direct connection
The key interface unit at the consumer building, enabling safe and efficient transfer of cooling energy from the district network loop to the building's internal cooling system.
In-building circulation pumps
These pumps are installed within the consumer building and take suction from the incoming district cooling supply. They boost the pressure and flow rate necessary to circulate the chilled water effectively through the building's internal piping network and cooling equipment.
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Pump control systems
Located within the building, this system specifically manages the operation of the in-building circulation pumps. It adjusts pump speed and flow based on the building's actual cooling demand, ensuring efficient energy use and comfort levels for occupants.
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Pre-packaged modular pumping system
When used in this context, this system provides a compact, factory-assembled unit containing the in-building circulation pumps, controls, and valves. It simplifies installation within the building's mechanical room for distributing the directly supplied district chilled water.
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Energy transfer station (ETS) – indirect connection
The key interface unit at the consumer building, enabling safe and efficient transfer of cooling energy from the district network loop to the building's internal cooling system, via a heat exchanger.
In-building circulation pumps
Circulates chilled water from the energy transfer station (after the heat exchanger) through the building's internal cooling circuits, like Air Handling Units or Fan Coil Units, ensuring proper cooling energy distribution and enhanced occupant comfort.
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Pump control system
Manages the in-building circulation pump for distributing chilled water within the building. It maintains stable operating pressure in the building's cooling circuit, ensuring efficient cooling energy transfer, system protection, and optimal conditions for all components.
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Modular pumping systems
Pre-packed system provides a compact, factory-assembled unit containing the in-building circulation pumps, controls, and valves. It simplifies installation within the building’s ETS for circulating the chilled water on the secondary side of the heat exchanger to the connected cooling loads.
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Pressurization unit / Make-up water system
Automatically monitors and maintains the designated water pressure in the building’s cooling system. It replenishes any lost water to ensure efficient, continuous operation and prevent low-pressure issues that could affect performance or damage the equipment.
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Expansion vessel
Accommodates water volume expansion as it s up within the building's closed chilled water system. This crucial component maintains correct system pressure, effectively preventing overpressure or vacuum conditions which could otherwise lead to system damage or failure.
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Degassing / Air separators
Removes dissolved gases, primarily air and oxygen, from the chilled water system. This process is vital to prevent internal corrosion, improve overall thermal efficiency, reduce operational noise, and minimize the risk of potential blockages in pipes.
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Side stream filtration system
Continuously filters a portion of the circulating water to remove suspended solids and various impurities. This protective function shields sensitive components like heat exchangers, pumps, and valves from blockages and abrasive wear, ensuring long-term efficiency and system reliability.
Drainage/Sump pumps
These pumps safeguard key station installations by automatically expelling any ingress of groundwater, rainwater, or critical system leakage. This preventative measure protects pumps, motors, and vital electrical systems, thereby maintaining the station's operational reliability.
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Water treatment system
Monitors and treats the water within the building's cooling circuits. It effectively prevents corrosion, scale formation, and microbial growth, thereby protecting equipment, maintaining design efficiency, and significantly extending the system's operational lifespan.
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Distributed secondary pumping
The key interface unit at the consumer building, enabling safe and efficient transfer of cooling energy from the district network loop to the building's internal cooling system, via a heat exchanger.
In-building primary circulation pumps
These pumps circulate water within ETS plant room, from the heat exchanger to the hydraulic decoupler. They provide the necessary flow and pressure on the primary side of the network, ensuring consistent and reliable thermal energy transfer.
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Distributed secondary pumps (zone pumps)
Ensure optimal flow and pressure for individual cooling loads or specific zones within the building chilled water system. They adjust their operation based on temperature sensor inputs/ ΔP sensor inputs, providing efficient, tailored cooling energy and pressure distribution to meet specific zone requirements accurately.
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Pump control system
Regulates the speed and operation of primary pumps based on feedback from 4 temperature sensors across the hydraulic decoupler. This system optimises energy consumption and prevents issues like low ΔT syndrome by precisely adjusting pump flow and pressure according to zone-side demand.
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Modular pumping systems
A factory-assembled, integrated unit containing pumps, valves, controls, and pipework on a skid. It offers a compact, tested solution for district cooling network circulation and precise temperature/pressure management within the distributed secondary application.
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Pressurization unit / Make-up water system
Automatically monitors and maintains the designated water pressure in the building’s cooling system. It replenishes any lost water to ensure efficient, continuous operation and prevent low-pressure issues that could affect performance or damage the equipment.
Explore solutions
Expansion vessel
Accommodates water volume expansion as it s up within the building's closed chilled water system. This crucial component maintains correct system pressure, effectively preventing overpressure or vacuum conditions which could otherwise lead to system damage or failure.
Explore solutions
Degassing / Air separators
Removes dissolved gases, primarily air and oxygen, from the chilled water system. This process is vital to prevent internal corrosion, improve overall thermal efficiency, reduce operational noise, and minimize the risk of potential blockages in pipes.
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Side stream filtration system
Continuously filters a portion of the circulating water to remove suspended solids and various impurities. This protective function shields sensitive components like heat exchangers, pumps, and valves from blockages and abrasive wear, ensuring long-term efficiency and system reliability.
Explore solutions
Drainage/Sump pumps
These pumps safeguard key station installations by automatically expelling any ingress of groundwater, rainwater, or critical system leakage. This preventative measure protects pumps, motors, and vital electrical systems, thereby maintaining the station's operational reliability.
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Water treatment system
Monitors and treats the water within the building's cooling circuits. It effectively prevents corrosion, scale formation, and microbial growth, thereby protecting equipment, maintaining design efficiency, and significantly extending the system's operational lifespan.
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Building mixing loop
A crucial control circuit within a building’s cooling system, typically installed after the substation. It ensures precise temperature regulation for internal distribution, like radiators or underfloor cooling, optimising comfort and enhancing energy efficiency throughout the building.
Building circulation (secondary) pump
Ensures continuous water circulation within the building’s chilled water circuit, drawing mixed water through elements like underfloor cooling. It maintains the desired flow rate, vital for effective temperature control, consistent comfort levels, and optimal system performance.
- Integrated mixing loop: Grundfos MIXIT is An integrated, all-in-one mixing loop solution combining valve, actuator, controller, and sensors. MIXIT simplifies installation and optimises temperature control in cooling systems by dynamically adjusting to real-time demand, enhancing energy efficiency and enabling remote management.
- Dynamic adjustment: The system dynamically adjusts the mixing ratio based on real-time demand and external temperature conditions (weather compensation). This ensures that the ing supply matches the current needs of the buildings connected to the network.
- AAdvanced control systems: MIXIT is equipped with advanced control systems that monitor temperature, flow rates, and pressure in real-time. These systems automatically adjust the operation of the mixing valves and pumps to maintain optimal performance.
- Energy efficiency: By optimising the mixing process and reducing unnecessary loss, the MIXIT solution significantly improves energy efficiency. This leads to lower operational costs and reduced carbon emissions.
- Remote monitoring and control: The system can be monitored and controlled remotely via the Grundfos Building Connect platform. This allows for real-time data access and management, making it easier to optimise the system’s performance and respond to any issues promptly.
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Water treatment system
Monitors and treats the water within the building’s cooling circuits. It effectively prevents corrosion, scale formation, and microbial growth, thereby protecting equipment, maintaining design efficiency, and significantly extending the system's operational lifespan.
Explore solutions
Degassing / Air separators
Removes dissolved gases, primarily air and oxygen, from the cooling system water. This process is vital to prevent internal corrosion, improve overall thermal efficiency, reduce operational noise, and minimize the risk of potential blockages in pipes.
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Side stream filtration system
Removes particulate matter, sludge, and other debris from the circulating system water. This protective function shields sensitive components like heat exchangers, pumps, and valves from blockages and abrasive wear, ensuring long-term efficiency and system reliability.
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Services
Provides comprehensive services for the ongoing operation, maintenance, and optimization of the plant and associated district network, ensuring long-term reliability and performance.
Disclaimer: Not all products and solutions displayed in this tool are available across all regions.
Efficient pump solutions for better district heating systems
The energy landscape is rapidly evolving. Consumers are demanding increased comfort – but to reach net-zero emissions by 2050, we’ll need energy-efficient, cost-effective solutions that are ready for large-scale implementation.
That’s where district heating comes in. With its efficient distribution of large amounts of heat across expansive areas, it has become one of the most popular heating forms in the world.
At Grundfos, we offer intelligent solutions that optimise district heating system performance. Our comprehensive range of reliable and connected solutions are designed to maximise energy efficiency, improve control and minimise CO2 emissions.
But we’re not just a solutions provider. We’re a strategic partner with more than 50 years of experience within district heating – and we can help you achieve aseamless green energy transition.
Here's what intelligent district heating looks like
Discover the potential of intelligent district heating in this film featuring leading expert in smart energy systems and energy efficiency Brian Vad Mathiesen and Grundfos specialists.
A reliable partner throughout the entire process
We’re dedicated to helping you achieve a seamless green energy transition. Our intelligent solutions address today’s demands while preparing you for tomorrow’s challenges, ensuring you can realise your ambitious sustainability goals.
Explore our brochure to read about how we approach district heating at Grundfos. Our intelligent and reliable solutions can help you achieve a seamless green energy transition so you can address today’s demands while preparing for the challenges of tomorrow.
Explore district heating cases
Learn how district heating enhances grid performance, boosts energy security and flexibility, supports renewables, and lowers costs.
Read more about district heating and cooling
We’ve put together a series of articles that expand on our expertise within district heating and cooling. Click below to start learning more.
Explore our dedicated application pages for in-depth guides, system design insights, technical product data and more.
Looking to improve efficiency in a new or existing grid? Speak with a Grundfos district heating expert to discuss tailored solutions that reduce waste and enhance system performance.
District Cooling:
A better way to cool our cities is here
As cities get bigger, hotter, and more densely populated, it is no longer viable to rely on stand-alone traditional cooling units that are overloading grids and driving up emissions.
District cooling offers a smarter, more sustainable way forward with centralised networks that use water to deliver reliable, low-impact cooling at scale. At Grundfos, we bring over 50 years of expertise in district energy to help cities design, build, and optimise district cooling systems that support the transition to greener, more resilient urban infrastructure.
Efficient cooling for a sustainable future
Discover how district cooling is reshaping urban energy. This video showcases smart, centralized systems that cut emissions, boost efficiency, and drive sustainable city development—highlighting Grundfos’ role in delivering reliable, resource-efficient cooling solutions.
Accelerate your energy transition with district cooling
Reinventing urban cooling takes more than technology and equipment – it takes deep expertise, a long-term mindset, and future-ready solutions. At Grundfos, we bring it all together to help cities build cooling infrastructure that performs today and is prepared for tomorrow.
Explore district cooling cases
See how cities around the world are implementing district cooling systems across different urban scenarios and locations.
Read more about district cooling
We’ve put together a series of articles that expand on our expertise within district heating and cooling. Click below to start learning more.
Explore our dedicated application pages for in-depth guides, system design insights, technical product data and more.
Looking to improve efficiency in a new or existing grid? Speak with a Grundfos district cooling expert to discuss tailored solutions that reduce waste and enhance system performance.
Get deep technical insights and resources to support continuous learning across district heating and cooling systems.
The content is driven by a CPD‑certified webinar series, offering expert perspectives and real‑world experience.
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What you will learn from the District Energy webinars
These sessions give you practical, engineering‑focused insights that help you make better decisions when planning or optimising district energy systems. You will gain:
- A clearer understanding of how modern heating and cooling networks are evolving, including the shift toward low‑temperature, renewable‑ready designs
- Guidance for making stronger technical and design choices, supported by real‑world strategies and best‑practice examples
- Insight into where efficiency gains and emission‑reduction opportunities can be unlocked, improving long‑term system performance
What the webinars will cover
These webinars introduce the foundational themes shaping the next generation of district energy systems. Each topic highlights a key dimension of how modern heating and cooling networks are being redesigned for efficiency, flexibility, and long‑term sustainability:
Meet the specialists
These webinars feature experienced district energy specialists who bring deep technical expertise and strategic insight from working at the forefront of the global energy transition. Together, they provide practical perspectives on modernising urban energy systems, integrating renewable and waste heat sources, and enabling scalable, net‑zero‑ready solutions for cities.
Ronak Monga
Head of Sales Development
District Energy, Grundfos
Ronak has spent over a decade driving innovative climate and water solutions at Grundfos, with a strong focus on accelerating the energy transition in cities. His work centres on integrating diverse heat and waste sources into smarter energy grids and advancing district cooling to meet rapidly growing global demand. Ronak sees district energy as a cornerstone of future net‑zero cities—enabling flexible, renewable‑ready systems that scale efficiently and sustainably.
Delphine Antier
Global Marketing Application Manager
District Energy, Grundfos
Passionate about marketing, Delphine brings 20+ years of global experience and a Master’s in Marketing to advancing District Energy at Grundfos. She transforms complex topics—such as sector coupling, waste heat recovery, system optimisation, and lifecycle performance—into clear, engaging narratives that position district energy as a driver of smarter, more sustainable cities. Through curated learning content and CPD‑certified webinars, she bridges technology, sustainability, and real‑world application to support the development of resilient, future‑ready energy networks.
Saahil Khan
Senior Sales Development Manager
District Energy, Grundfos
Saahil Khan is a sustainability specialist committed to reducing energy, water use, and carbon emissions. With a background in mechanical engineering, a master’s in sustainable business strategy, and certification as an Energy Manager (CEM), he combines strong technical capability with strategic insight. His work centres on advancing district energy as a key pathway to net‑zero cities—modernising urban infrastructure, improving operational efficiency, and integrating emerging technologies to lower environmental impact. Saahil’s mission is to enable scalable, future‑ready solutions that make sustainable urban living achievable.
Kim Krusell Hansen
Lead Sales Development Manager,
District Energy, Grundfos
Kim Krusell Hansen is a district energy specialist driving the transition to efficient, low‑carbon heating and cooling. As Lead Sales Development Manager for District Energy at Grundfos, he combines market insight, technical expertise, and a lifecycle‑driven approach to support cities and utilities in modernising energy infrastructure. Focused on district heating and cooling, Kim advances cost‑effective, high‑performance, and digitally enabled energy networks as a practical pathway to net‑zero, resilient, and liveable cities.
Articles shaping the future of urban energy
Cities are transforming fast, and so is the energy infrastructure that supports them. These articles explores the innovations shaping our heating and cooling future—from intelligent district energy networks to smarter, more efficient grid optimization—highlighting practical solutions that help accelerate a sustainable urban energy transition.
Get customised support for your needs
At Grundfos, we offer a comprehensive suite of services to support the entire lifecycle of your district energy systems. From initial design and commissioning to ongoing maintenance and optimisation, our solutions ensure efficient, reliable, and sustainable heating and cooling networks.
Supporting sustainable energy transitions
District heating and cooling play a vital role in enabling greener, more energy-efficient cities. By centralising thermal energy, they allow for better load balancing, reduced energy use, and easier integration of renewables. At scale, district energy solutions support lower carbon footprints while improving long-term system performance.
Driving sustainability across the lifecycle
We’re committed to reducing environmental impact at every stage, from sourcing and production to operation and reuse. We work closely with our suppliers to uphold responsible practices across the value chain.
Explore the related documentation and initiatives to understand how we prioritise transparency and circularity.
EcoVadis, one of the world's largest and most trusted providers of business sustainability ratings, placed us in the 99th percentile among +130,000 companies for a leading Platinum EcoVadis score. We’ll continue to improve our efforts to be a trusted partner for more sustainable healthcare operations.
Interested in learning more?
Fill out the contact form to speak with our district cooling experts.
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If you signed up for our marketing permission, you are now eligible to receive personalised information from Grundfos about news, tools, products, applications, events and promotions.
Remember that you may withdraw your consent at any time.
For more information regarding your personal data and your rights, please see our Privacy Notice.