Compared with air-to-air heat pumps, geothermal heat pumps cost more to install, but they are quieter, longer lasting, and need less maintenance.
Ground Source Heat Pump, GeoExchange, Earth-coupled
Geothermal pumps can also be more cost-effective to run because ground temperature is constant and air temperature varies widely. A geothermal heating system for the average home costs about $7,500.
Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.