heat pump(redirected from Geothermal heatpump)
Also found in: Thesaurus, Encyclopedia.
A device that warms or cools a building by transferring heat from a relatively low-temperature reservoir to one at a higher temperature.
(Mechanical Engineering) a device, as used in a refrigerator, for extracting heat from a source and delivering it elsewhere at a much higher temperature
a device that uses a compressible refrigerant to transfer heat in a reversible process from one body, as the ground, air, or water, to another body, as a building.