Top Industry / Government


International Ground Source Heat Pump Association – The main accreditation organization of geothermal heat pumps.

US Dept. of Energy

Geothermal Technologies Program within the US Department of Energy.

Energy Star – Geothermal Heat Pumps

The Geothermal Heat Pump section of Energy Star, which rates products based on energy efficiency. Only heat pumps that are Energy Star certified are eligible for the 30% federal tax credit.


Industry Associations

Geothermal Help

Geothermal Help – Industry website providing consumer education, articles, featured projects, forums, etc.


Geothermal Heat Pump Consortium


Colorado Geo Energy Heat Pump Association


Michigan Geothermal Energy Association


Other Related Sites

Renewable Heating

Free basic information about renewable energy technologies such as geothermal, radiant heat, solar panels, solar thermal, hybrid system design etc.


Online renewable energy tax incentive list for all federal, state and utility companies.


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