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The name “heat pump” can be a little confusing, since a heat pump system both cools and heats your home by using a small amount of electricity to move heat.
Though there are several types of heat pumps—including air-source, geothermal and absorption—they all work on the same principle. During the heating season, a heat pump system pulls heat out of the air or ground outside and transfers it into your home. By contrast, a conventional furnace "combusts" natural gas or propane inside your home. During cooling season, a heat pump pulls heat out of your home to maintain a comfortable temperature.
Heat pumps offer a number of benefits: