How Does Geothermal Heating and Cooling Work?

Geothermal heating and cooling systems are the highest efficiency option available to homeowners and are 45% higher efficiency than air source heat pumps, according to the Department of Energy. A geothermal heat pump uses the relatively stable temperature of the ground as a source and sink for thermal energy for the building. A geothermal heating and cooling system will require a geothermal heat exchanger: there are a wide variety of geo exchange designs but the [...]