Ground or Water Source Heat Pump

A ground or water source heat pump, also known as an earth-energy system (EES), uses the earth and/or ground water as a source of heat in the winter, and as a "sink" for heat from the home in the summer.

Ground Source Heat Pump diagram

 

For more information on Ground or Water source heat pumps, visit the federal Office of Energy Efficiency's Ground-Source Heat Pumps (Earth-Energy Systems) webpage.