Heat pump chiller application Bay of Plenty

heat pump chiller application

US8539789B2 Heat-pump chiller with improved heat Applications Engineering Manual Trane, in proposing these system design and application concepts, assumes no responsibility for the performance or desirability of any resulting system design. Water-to-water heat pump or water-cooled chiller serving AHU . . . . . 156

Absorption-type heat pumps (Heat Apmlifiter Type

BROAD ABSORPTION HEAT PUMP. Absorption heat pump and chiller are like twins, because they have the same structure and working principle, but application is different. A chiller is used to make chilled water, and reject heat through cooling water. An absorption heat pump recycles heat from low temperature heat source, to produce high temperature water., A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle. This liquid can then be circulated through a heat exchanger to cool equipment, or another process stream (such as air or process water)..

Development of centrifugal chiller and heat pump using low GWP refrigerant Ryosuke 1*Suemitsu , Naoya Miyoshi1, Yasushi Hasegawa1, Kazuki 1Wajima , Yoshinori Shirakata1, Kenji Ueda1 1Mitsubushi Heavy Industries Thermal Systems, Ltd. 30XW heat pump with total heat recovery application This application has five operating models, which are cooling, heat recovery, cooling plus heat recovery, heating, heating plus heat recovery. The chiller can take advantage of a variety of low order heat source, such as water/ground source,

Huazhao heat pump air cooled chiller units is can be obtained from the surrounding air heat to heat hot water heat equipment. Heating water temperature up to 85 ℃, greatly expand the application range of air source heat pump technology, which can meet various industries heating demands ,such as the agricultural and sideline products Chiller types and application guide. In this article we’ll be covering the different types of chillers available, where they are used as well as the pros and cons of each …

BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc. ABSORPTION-TYPE HEAT PUMP SYSTEM. Absorption Heat-pump is a system to transfer heat from waste heat source to increase temperature of supplied hot water, helping in energy saving. In general process where low temperature source is used to produce chilled …

Looking For heat pump chiller Supplier? NULITE Specialized in water cooled heat pump system, heat pump cooling, Get Info! Leading the fashion and low carbon life is the goal of new energy Indoor liquid chiller and heat pump CGWH Packaged Water-cooled liquid chiller and heat pump CCUH Condenserless unit Sizes: 115 - 120 - 125 - 225 - 230 - 235 - 240 - 250. temperatures for the application, the controls, make sure you have total temperature control, even with chilled-

Chiller types and application guide. In this article we’ll be covering the different types of chillers available, where they are used as well as the pros and cons of each … 3). If the milk goes through glycol chiller directly, we must consider the heat exchanger material should be food grade stainless steel. As a professional glycol chiller supplier in China, TopChiller can provide a complete set of industrial chiller, water pump and cooling tower for milk, beverage and drinks.

Plus. Complete envelope control for the main compressor manufacturers on the HVAC market, meaning complete freedom of choice. Integrated solution to ensure the highest efficiency and energy savings, through the combined action of EXV valve, compressor and condensing/evaporation pressure set point; The Ultimate Rooftop Solution with simplistic design and quality components specializes in 100% outside air treatment. Our configured packaged rooftops offer application flexibility such as: Air Source Cooling, Air Source Heat Pump, Water Source Heat Pump, Geothermal Heat Pump and Chilled Water Air Handler. Capacities are available from 6 to 90

Wilo-CronoLine IL. Design type . Glanded pump in in-line design with flange connection. Application . Pumping of heating water (acc. to VDI 2035), cold water and water/glycol mixtures without abrasive substances in heating, cold water and cooling systems. These Trane application manuals are comprehensive reference guides to increase awareness and working knowledge of heating, ventilating, and air conditioning (HVAC) system design concepts, component combination possibilities, system operating/control concepts and characteristics, general industry issues, and HVAC fundamentals.

Having a built-in pool chiller is a great feature for those tropical climates and will make your pool or spa that much more enjoyable. A refreshing dip in the middle of a summer heat wave is always welcomed! Because the Arctic Pool and Spa Heat Pump is based on a … Wilo-CronoLine IL. Design type . Glanded pump in in-line design with flange connection. Application . Pumping of heating water (acc. to VDI 2035), cold water and water/glycol mixtures without abrasive substances in heating, cold water and cooling systems.

BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc. The Ultimate Rooftop Solution with simplistic design and quality components specializes in 100% outside air treatment. Our configured packaged rooftops offer application flexibility such as: Air Source Cooling, Air Source Heat Pump, Water Source Heat Pump, Geothermal Heat Pump and Chilled Water Air Handler. Capacities are available from 6 to 90

Bueco Co., Ltd. are supplier air cooled water chiller and heat pump, water cooled water chiller and heat pump, air handling unit, fan coil unit, etc. The chiller pump (usually the smaller one) circulates water / glycol from the hot side of the tank to the chiller module(s) and back to the cold side of the tank. This pump ensures constant flow and pressure required by the chiller(s) for maximum efficiency, as well as …

Chiller Heat (kW) Process Heat (kW) Room An air-cooled chiller will have all of the process heat from the application plus the power used by the compressor, pump and fan added to the room. A water-cooled chiller on the same application will have zero process heat, 6% of the compressor heat, some of the pump heat and all of the fan heat for Air-cooled Scroll Heat Pump Applicable for Various Sites. Inverter Compressor-driven Air-cooled Scroll Heat Pump is a system that provides hot and cold water for air conditioning. It is highly recommended in large-scale facilities such as facility horticulture, government office and hotel.

HVACR Industrial ChillerHeat PumpAHUHeat Exchanger

heat pump chiller application

30XQ Air-To-Water Heat Pump Screw Chiller AHI Carrier. Low applied costs and a short payback time. Heat pumps are essential in modern heating and cooling of residential and commercial spaces. Using existing, external energy sources like brine, water or air for heating or cooling makes heat pumps a highly sustainable component of air …, 3). If the milk goes through glycol chiller directly, we must consider the heat exchanger material should be food grade stainless steel. As a professional glycol chiller supplier in China, TopChiller can provide a complete set of industrial chiller, water pump and cooling tower for milk, beverage and drinks..

Heat pumps for air conditioning Energy-efficient. Development of centrifugal chiller and heat pump using low GWP refrigerant Ryosuke 1*Suemitsu , Naoya Miyoshi1, Yasushi Hasegawa1, Kazuki 1Wajima , Yoshinori Shirakata1, Kenji Ueda1 1Mitsubushi Heavy Industries Thermal Systems, Ltd., 3). If the milk goes through glycol chiller directly, we must consider the heat exchanger material should be food grade stainless steel. As a professional glycol chiller supplier in China, TopChiller can provide a complete set of industrial chiller, water pump and cooling tower for milk, beverage and drinks..

Heat Pump Air Cooled Chiller Buy Heat Pump Air Cooled

heat pump chiller application

Application TopChiller. We are manufacturer in the refrigeration field for over 15 years. - chiller, air handling unit, rooftop unit.heat pump, dehumidifier, etc. - installation instruction and customized service -we supply equipments to ≥ 420 commercial projects worldwide in the past 3 years. http://ibc-chillers.ru/en/news/wikipedia-chillery-fankojly/ The Ultimate Rooftop Solution with simplistic design and quality components specializes in 100% outside air treatment. Our configured packaged rooftops offer application flexibility such as: Air Source Cooling, Air Source Heat Pump, Water Source Heat Pump, Geothermal Heat Pump and Chilled Water Air Handler. Capacities are available from 6 to 90.

heat pump chiller application

  • Chiller/Heat Pump units
  • KKT chillers Heat pump brewery

  • Huazhao heat pump air cooled chiller units is can be obtained from the surrounding air heat to heat hot water heat equipment. Heating water temperature up to 85 в„ѓ, greatly expand the application range of air source heat pump technology, which can meet various industries heating demands ,such as the agricultural and sideline products The Chiltrix chiller is up to >4 x more efficient than a conventional electric heater, making it the ideal choice at times when the free heat of solar thermal collection has been used up for the day. See Solar Chiller Options & Drawings; Below is an example diagram of a solar integrated heat pump chiller system.

    These Trane application manuals are comprehensive reference guides to increase awareness and working knowledge of heating, ventilating, and air conditioning (HVAC) system design concepts, component combination possibilities, system operating/control concepts and characteristics, general industry issues, and HVAC fundamentals. Application: High power heat pump in a brewery. Task: The technical challenge was to ensure with one device both the heat generation for the pasteurizing and …

    Bueco Co., Ltd. are supplier air cooled water chiller and heat pump, water cooled water chiller and heat pump, air handling unit, fan coil unit, etc. Looking for heat pump cooling? Details about Good quality hospital 40kw G10K water chiller air conditioner heat pump... Leading the fashion and low carbon life is the goal of new energy nulite01@ne01-e.com Product Application. 1.Energy-efficient: The ratio output against input is coefficient of performance

    Water cooled industrial heat pump water chiller are provide to supply cooling for house. It is use for the places which require precise water outlet temperature,such as greenhouse,hotel,villa,mushroom growing or industrial application etc.All the main components … Central geothermal chillers Central geothermal chillers A central geothermal system uses the earth as a heat sink and energy source to provide cooling and heating. Unlike a distributed ground-source heat pump system, a central geothermal system uses centrally located chillers instead of small unitary heat pumps distributed throughout the building.

    The chiller pump (usually the smaller one) circulates water / glycol from the hot side of the tank to the chiller module(s) and back to the cold side of the tank. This pump ensures constant flow and pressure required by the chiller(s) for maximum efficiency, as well as … packaged water chiller Brief introduction: The air cooled water chiller with water pump & water tank inside design when the unit arrived the projectsite just need to connect the water pipe & electric then can running , which has two cooling circuit system , It can be automatically switched according to the ambient temperature, which is energy

    Chiller/Heat Pump units Dual control PID (at chiller start-up and in steady operation) for more precise unit management. Anti-freeze function based on saturated refrigerant temperature rather than the outlet water temperature, for more effective identification of the risk of frost on the evaporator. packaged water chiller Brief introduction: The air cooled water chiller with water pump & water tank inside design when the unit arrived the projectsite just need to connect the water pipe & electric then can running , which has two cooling circuit system , It can be automatically switched according to the ambient temperature, which is energy

    Absorption-type heat pump system. Absorption Heat-pump is a system to transfer heat from waste heat source to increase temperature of supplied hot water, helping in energy saving. In general process where low temperature source is used to produce chilled water, the system is called chiller system. BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc.

    A heat pump is a device that transfers heat energy from a source of heat to what is called a thermal reservoir. Heat pumps move thermal energy in the opposite direction of spontaneous heat transfer, by absorbing heat from a cold space and releasing it to a warmer one. 13/2/2014В В· Commercial Swimming Pool Heat Pump. BLUEWAY Commercial Swimming Pool Heat pumps are specially designed and engineered for Commercial pool or spa water temperature control. The V-shape design condensers airflow direction and intellgient control system are let the units high efficiency and stable working performance. Products feature:

    Looking For heat pump chiller Supplier? NULITE Specialized in water cooled heat pump system, heat pump cooling, Get Info! Leading the fashion and low carbon life is the goal of new energy Absorption heat pump and chiller are like twins, because they have the same structure and working principle, but application is different. A chiller is used to make chilled water, and reject heat through cooling water. An absorption heat pump recycles heat from low temperature heat source, to produce high temperature water.

    30XW heat pump with total heat recovery application This application has five operating models, which are cooling, heat recovery, cooling plus heat recovery, heating, heating plus heat recovery. The chiller can take advantage of a variety of low order heat source, such as water/ground source, Chiller types and application guide. In this article we’ll be covering the different types of chillers available, where they are used as well as the pros and cons of each …

    heat pump chiller application

    FIG. 2 is a schematic view of a hybrid system combining a chiller and an absorption heat pump according to an embodiment of the disclosure. Referring to FIG. 2, in this embodiment, the hybrid system 10 that combines the chiller and absorption heat pump includes an absorption heat pump 100 and a compression chiller 200. A heat pump is a device that transfers heat energy from a source of heat to what is called a thermal reservoir. Heat pumps move thermal energy in the opposite direction of spontaneous heat transfer, by absorbing heat from a cold space and releasing it to a warmer one.

    HVACR Industrial ChillerHeat PumpAHUHeat Exchanger

    heat pump chiller application

    Water-cooled Liquid Chiller With Total Heat Recovery. A heat pump is a device that transfers heat energy from a source of heat to what is called a thermal reservoir. Heat pumps move thermal energy in the opposite direction of spontaneous heat transfer, by absorbing heat from a cold space and releasing it to a warmer one., BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc..

    KKT chillers Heat pump brewery

    Air Cooled Water Chiller Air Source Heat Pump Water. Indoor liquid chiller and heat pump CGWH Packaged Water-cooled liquid chiller and heat pump CCUH Condenserless unit Sizes: 115 - 120 - 125 - 225 - 230 - 235 - 240 - 250. temperatures for the application, the controls, make sure you have total temperature control, even with chilled-, The chiller pump (usually the smaller one) circulates water / glycol from the hot side of the tank to the chiller module(s) and back to the cold side of the tank. This pump ensures constant flow and pressure required by the chiller(s) for maximum efficiency, as well as ….

    Plus. Complete envelope control for the main compressor manufacturers on the HVAC market, meaning complete freedom of choice. Integrated solution to ensure the highest efficiency and energy savings, through the combined action of EXV valve, compressor and condensing/evaporation pressure set point; The Chiltrix chiller is up to >4 x more efficient than a conventional electric heater, making it the ideal choice at times when the free heat of solar thermal collection has been used up for the day. See Solar Chiller Options & Drawings; Below is an example diagram of a solar integrated heat pump chiller system.

    The Ultimate Rooftop Solution with simplistic design and quality components specializes in 100% outside air treatment. Our configured packaged rooftops offer application flexibility such as: Air Source Cooling, Air Source Heat Pump, Water Source Heat Pump, Geothermal Heat Pump and Chilled Water Air Handler. Capacities are available from 6 to 90 Development of centrifugal chiller and heat pump using low GWP refrigerant Ryosuke 1*Suemitsu , Naoya Miyoshi1, Yasushi Hasegawa1, Kazuki 1Wajima , Yoshinori Shirakata1, Kenji Ueda1 1Mitsubushi Heavy Industries Thermal Systems, Ltd.

    Central geothermal chillers Central geothermal chillers A central geothermal system uses the earth as a heat sink and energy source to provide cooling and heating. Unlike a distributed ground-source heat pump system, a central geothermal system uses centrally located chillers instead of small unitary heat pumps distributed throughout the building. BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc.

    Bueco Co., Ltd. are supplier air cooled water chiller and heat pump, water cooled water chiller and heat pump, air handling unit, fan coil unit, etc. Wilo-CronoLine IL. Design type . Glanded pump in in-line design with flange connection. Application . Pumping of heating water (acc. to VDI 2035), cold water and water/glycol mixtures without abrasive substances in heating, cold water and cooling systems.

    Plus. Complete envelope control for the main compressor manufacturers on the HVAC market, meaning complete freedom of choice. Integrated solution to ensure the highest efficiency and energy savings, through the combined action of EXV valve, compressor and condensing/evaporation pressure set point; 13/2/2014В В· Commercial Swimming Pool Heat Pump. BLUEWAY Commercial Swimming Pool Heat pumps are specially designed and engineered for Commercial pool or spa water temperature control. The V-shape design condensers airflow direction and intellgient control system are let the units high efficiency and stable working performance. Products feature:

    Central geothermal chillers Central geothermal chillers A central geothermal system uses the earth as a heat sink and energy source to provide cooling and heating. Unlike a distributed ground-source heat pump system, a central geothermal system uses centrally located chillers instead of small unitary heat pumps distributed throughout the building. The chiller pump (usually the smaller one) circulates water / glycol from the hot side of the tank to the chiller module(s) and back to the cold side of the tank. This pump ensures constant flow and pressure required by the chiller(s) for maximum efficiency, as well as …

    30XW heat pump with total heat recovery application This application has five operating models, which are cooling, heat recovery, cooling plus heat recovery, heating, heating plus heat recovery. The chiller can take advantage of a variety of low order heat source, such as water/ground source, Applications Engineering Manual Trane, in proposing these system design and application concepts, assumes no responsibility for the performance or desirability of any resulting system design. Water-to-water heat pump or water-cooled chiller serving AHU . . . . . 156

    30XW heat pump with total heat recovery application This application has five operating models, which are cooling, heat recovery, cooling plus heat recovery, heating, heating plus heat recovery. The chiller can take advantage of a variety of low order heat source, such as water/ground source, The Chiltrix chiller is up to >4 x more efficient than a conventional electric heater, making it the ideal choice at times when the free heat of solar thermal collection has been used up for the day. See Solar Chiller Options & Drawings; Below is an example diagram of a solar integrated heat pump chiller system.

    Central geothermal chillers Central geothermal chillers A central geothermal system uses the earth as a heat sink and energy source to provide cooling and heating. Unlike a distributed ground-source heat pump system, a central geothermal system uses centrally located chillers instead of small unitary heat pumps distributed throughout the building. Huazhao heat pump air cooled chiller units is can be obtained from the surrounding air heat to heat hot water heat equipment. Heating water temperature up to 85 в„ѓ, greatly expand the application range of air source heat pump technology, which can meet various industries heating demands ,such as the agricultural and sideline products

    Looking For heat pump chiller Supplier? NULITE Specialized in water cooled heat pump system, heat pump cooling, Get Info! Leading the fashion and low carbon life is the goal of new energy Water cooled industrial heat pump water chiller are provide to supply cooling for house. It is use for the places which require precise water outlet temperature,such as greenhouse,hotel,villa,mushroom growing or industrial application etc.All the main components …

    Chiller/Heat Pump units Dual control PID (at chiller start-up and in steady operation) for more precise unit management. Anti-freeze function based on saturated refrigerant temperature rather than the outlet water temperature, for more effective identification of the risk of frost on the evaporator. absorption (hybride) liquid chiller and heat pump systems with ammonia (R717), ammonia-water (R717/R718), R134a or HFO-1234ze as working fluids as well as CO 2 (R744) liquid chillers and heat pump water heaters. Examples of some of these eco-friendly state-of-the-art technologies are found in Norway, and include a 800 kW

    Heat pumps for air conditioning Energy-efficient

    heat pump chiller application

    Absorption-type heat pumps (Heat Transformer Type. These Trane application manuals are comprehensive reference guides to increase awareness and working knowledge of heating, ventilating, and air conditioning (HVAC) system design concepts, component combination possibilities, system operating/control concepts and characteristics, general industry issues, and HVAC fundamentals., The chiller pump (usually the smaller one) circulates water / glycol from the hot side of the tank to the chiller module(s) and back to the cold side of the tank. This pump ensures constant flow and pressure required by the chiller(s) for maximum efficiency, as well as ….

    Air Cooled Water Chiller Air Source Heat Pump Water

    heat pump chiller application

    Heat Pump/Chiller Wilo. Having a built-in pool chiller is a great feature for those tropical climates and will make your pool or spa that much more enjoyable. A refreshing dip in the middle of a summer heat wave is always welcomed! Because the Arctic Pool and Spa Heat Pump is based on a … http://ibc-chillers.ru/en/news/wikipedia-chillery-fankojly/ packaged water chiller Brief introduction: The air cooled water chiller with water pump & water tank inside design when the unit arrived the projectsite just need to connect the water pipe & electric then can running , which has two cooling circuit system , It can be automatically switched according to the ambient temperature, which is energy.

    heat pump chiller application


    Applications Engineering Manual Trane, in proposing these system design and application concepts, assumes no responsibility for the performance or desirability of any resulting system design. Water-to-water heat pump or water-cooled chiller serving AHU . . . . . 156 Applications Engineering Manual Trane, in proposing these system design and application concepts, assumes no responsibility for the performance or desirability of any resulting system design. Water-to-water heat pump or water-cooled chiller serving AHU . . . . . 156

    Bueco Co., Ltd. are supplier air cooled water chiller and heat pump, water cooled water chiller and heat pump, air handling unit, fan coil unit, etc. Application: High power heat pump in a brewery. Task: The technical challenge was to ensure with one device both the heat generation for the pasteurizing and …

    Indoor liquid chiller and heat pump CGWH Packaged Water-cooled liquid chiller and heat pump CCUH Condenserless unit Sizes: 115 - 120 - 125 - 225 - 230 - 235 - 240 - 250. temperatures for the application, the controls, make sure you have total temperature control, even with chilled- Chiller Heat (kW) Process Heat (kW) Room An air-cooled chiller will have all of the process heat from the application plus the power used by the compressor, pump and fan added to the room. A water-cooled chiller on the same application will have zero process heat, 6% of the compressor heat, some of the pump heat and all of the fan heat for

    Absorption heat pump and chiller are like twins, because they have the same structure and working principle, but application is different. A chiller is used to make chilled water, and reject heat through cooling water. An absorption heat pump recycles heat from low temperature heat source, to produce high temperature water. Looking For heat pump chiller Supplier? NULITE Specialized in water cooled heat pump system, heat pump cooling, Get Info! Leading the fashion and low carbon life is the goal of new energy

    The Chiltrix chiller is up to >4 x more efficient than a conventional electric heater, making it the ideal choice at times when the free heat of solar thermal collection has been used up for the day. See Solar Chiller Options & Drawings; Below is an example diagram of a solar integrated heat pump chiller system. A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle. This liquid can then be circulated through a heat exchanger to cool equipment, or another process stream (such as air or process water).

    BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc. Looking For heat pump chiller Supplier? NULITE Specialized in water cooled heat pump system, heat pump cooling, Get Info! Leading the fashion and low carbon life is the goal of new energy

    CROSS REFERENCE TO RELATED APPLICATIONS. This application claims priority from and the benefit of U.S. Provisional Application Ser. No. 61/234,457, entitled “HEAT-PUMP CHILLER WITH IMPROVED HEAT RECOVERY FEATURES”, filed Aug. 17, 2009, which is hereby incorporated by reference. ABSORPTION-TYPE HEAT PUMP SYSTEM. Absorption Heat-pump is a system to transfer heat from waste heat source to increase temperature of supplied hot water, helping in energy saving. In general process where low temperature source is used to produce chilled …

    ABSORPTION-TYPE HEAT PUMP SYSTEM. Absorption Heat-pump is a system to transfer heat from waste heat source to increase temperature of supplied hot water, helping in energy saving. In general process where low temperature source is used to produce chilled … Chiller Heat (kW) Process Heat (kW) Room An air-cooled chiller will have all of the process heat from the application plus the power used by the compressor, pump and fan added to the room. A water-cooled chiller on the same application will have zero process heat, 6% of the compressor heat, some of the pump heat and all of the fan heat for

    Low applied costs and a short payback time. Heat pumps are essential in modern heating and cooling of residential and commercial spaces. Using existing, external energy sources like brine, water or air for heating or cooling makes heat pumps a highly sustainable component of air … Bueco Co., Ltd. are supplier air cooled water chiller and heat pump, water cooled water chiller and heat pump, air handling unit, fan coil unit, etc.

    Looking for heat pump cooling? Details about Good quality hospital 40kw G10K water chiller air conditioner heat pump... Leading the fashion and low carbon life is the goal of new energy nulite01@ne01-e.com Product Application. 1.Energy-efficient: The ratio output against input is coefficient of performance 13/2/2014В В· Commercial Swimming Pool Heat Pump. BLUEWAY Commercial Swimming Pool Heat pumps are specially designed and engineered for Commercial pool or spa water temperature control. The V-shape design condensers airflow direction and intellgient control system are let the units high efficiency and stable working performance. Products feature:

    BLUEWAY company was founded in Australia in 1993 and Now Blueway is capable of manufacturing heat pump, swimming pool heat pump, Air conditioners, Chiller etc. Absorption heat pump and chiller are like twins, because they have the same structure and working principle, but application is different. A chiller is used to make chilled water, and reject heat through cooling water. An absorption heat pump recycles heat from low temperature heat source, to produce high temperature water.