A heat pump is part of a mechanical-compression cycle refrigeration system that we install for both heating and cooling purposes. The pump circulates warm air from one location to another. Which direction the pump moves the air depends on the temperature outside (or the temperature needed inside the building). When it’s cold outside the pump takes the air and converts it to warm air before pushing inside the house. When it’s warm outside, the pump removes the warm air so that the AC unit can produce cold. It is the most vital component in your heating and cooling system. So, as you might guess, when the heat pump goes bad, it cripples the rest of the equipment.

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