GeoStar - Model Aston Series - Geothermal Heat Pump Brochure
Geothermal units use the solar energy stored just below our feet to provide heating, air conditioning and hot water. The earth acts as a giant solar panel absorbing roughly half of the sun’s heat energy. A series of pipes called a “loop” (see next page for more) is buried just below the frost line to tap into that stored energy. ...