What Are Geothermal Heat Pumps
Geothermal heat pumps (GHPs) are not a new concept; according to the U.S. Department of Energy, people have been using them since the 1940s. There is, however, a resurgence of interest in these earth-based heating and cooling systems. What are GHPs? Are they better for the environment? Do they save money? The earth naturally absorbs [...]
