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2. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

3. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   Specifically, the heat pump transfers thermal energy using a heat pump and refrigeration cycle, cooling the cool space and warming the warm space. [1] In winter a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in summer.

4. International Comfort Products - Wikipedia

   en.wikipedia.org/wiki/International_Comfort_Products

   ICP is a Carrier subsidiary. ICP makes oil and gas furnaces, heat pumps, and central air-conditioning systems for residential and commercial customers. [1] It manufacturers, markets, and sells residential heating and cooling systems under the Arcoaire, Comfortmaker, Day & Night, Heil, KeepRite, Lincoln, and Tempstar brands; its commercial units, with up to 25 tons of cooling capacity, are sold ...

5. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Hydronic radiant floor heating systems use a boiler or district heating to heat water and a pump to circulate the hot water in plastic pipes installed in a concrete slab. The pipes, embedded in the floor, carry heated water that conducts warmth to the surface of the floor, where it broadcasts heat energy to the room above.

6. Coefficient of performance - Wikipedia

   en.wikipedia.org/wiki/Coefficient_of_performance

   The heat pump itself can be improved by increasing the size of the internal heat exchangers, which in turn increases the efficiency (and the cost) relative to the power of the compressor, and also by reducing the system's internal temperature gap over the compressor. Obviously, this latter measure makes some heat pumps unsuitable to produce ...

7. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   Although the thermostat may indicate the system is in defrost and electric heat is activated, the defrost function is not controlled by the thermostat. Since the heat pump has electric heat elements for supplemental and reheats, the heat pump thermostat provides for use of the electric heat elements should the refrigeration system fail.