Geothermal heat pumps are used for space heating and cooling, and if so equipped, also to heat water. Their high efficiencies are gaining more and more popularity for both residential and commercial buildings. It's not hard to see why. Rather than obtain heat through the combustion of fossil fuels, geothermal heat pump use the natural existing heat from the earth's ground source.Think of the temperature of the ground as that of a cave. Beneath the earth's surface, the temperature remains relatively constant. Simply put, a geothermal heat pump takes the heat stored in the earth and transfers it ...
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