Governmental agencies like the EPA and Department of Energy, consumer and industry groups, and geothermal system owners all agree: geothermal heating and cooling is considered the world's greenest and most energy-efficient.

Geothermal systems can save you up to 70% on your heating, cooling, and hot water costs. See how much you can save by visiting our savings calculator. State, local, and utility sources in your area may also offer additional incentives. Check out dsireusa.org to see what's available.

Over 1,000,000 geothermal (or ground-source) heat pumps have been installed in U.S. residential, commercial and government buildings. And each year, U.S. homeowners install approximately 50,000 more geothermal heat pumps.