How Does Geothermal Heating Work? – Solar Hot Water Systems

Geothermal heating systems use up to 25% to 50% less electricity than conventional heating or cooling systems. Basically, this means that a geothermal heat pump uses one unit of electricity to extract three units of heat from the earth. …

Solar Hot Water Systems – http://solarhotwatersystems.co.nz/

View full post on Google Alerts – geothermal heat pump