For Heat Pump we have terms and definitions in 6 topics. The topics are Construction, Electric Power, Energy, Environment, Home and Natural Gas.

Heat Pump (Construction)

A mechanical device which uses compression and decompression of gas to heat and/or cool a house.

Heat Pump (Electric Power)

Like an air conditioner or refrigerator, a heat pump moves heat from one location to another. In the cooling mode, heat pumps reduce indoor temperatures in the summer by transferring heat to the ground. Unlike an air conditioning unit, however, a heat pump's cycle is reversible. In winter, a heat pump can extract heat from the ground and transfer it inside. The energy value of the heat thus moved can be more than three times the cost of the electricity required to perform the transfer process.

Heat Pump (Energy)

An air-conditioning unit which is capable of heating by refrigeration, transferring heat from one (often cooler) medium to another (often warmer) medium, and which may or may not include a capability for cooling. This reverse-cycle air conditioner usually provides cooling in summer and heating in winter.

Heat Pump (Environment)

An electric device with both heating and cooling capabilities. It extracts heat from one medium at a lower (the heat source) temperature and transfers it to another at a higher temperature (the heat sink), thereby cooling the first and warming the second. (See

Heat Pump (Home)

A reverse cycle refrigeration unit that both heats and cools.

Heat Pump (Natural Gas)

A year-round air-conditioning system employing refrigeration equipment in a manner which enables usable heat to be supplied to a space during the winter period, and by reversing the operation cycle to extract heat from the same space during the summer period. When operating as a heating system, heat is absorbed from an outside medium (either air, water, or the earth) and this heat, together with the heat equivalent of the work of compression, is supplied to space to be heated. When operating on the cooling cycle, heat is absorbed from the space to be cooled and this heat, together with the heat equivalent of the work of compression, is rejected to the outside medium.

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