Heat pumps, geothermal and AC
Geothermal heating for Homes in North America - Does it work & will it save money?
...geothermal heating and cooling systems extract heat energy and transfer it into buildings, saving approximately 50 to 60% on heating and cooling costs, depending on the fuel being compared to.
In summer months, geothermal cooling functions in a similar way to standard air conditioning, only heat is not simply ejected i...