Geothermal Heat Pump
Ground source heat pumps (GSHP) use the ground as a source of heat, while air source heat pumps use the outdoor air.
Geothermal heat pumps accomplish this by running a water mixture through piping (“ground loop”) buried in the ground and using an indoor heat pump unit to extract heat from this water. The indoor heat pump unit will then circulate this heat through your home like a traditional heating system. In the summer, this process is reversed and heat from your home is transferred into the ground.