Top Industry / Government
International Ground Source Heat Pump Association – The main accreditation organization of geothermal heat pumps.
Geothermal Technologies Program within the US Department of Energy.
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 and Related Sites
Geothermal Help – Industry website providing consumer education, articles, featured projects, forums, etc.
Geothermal Heat Pump Consortium
North Carolina Sustainable Energy Association
Home Builder’s Association of Durham, Orange and Chatham Counties.
Southern Energy Management – Energy Efficiency and Solar Power
Online renewable energy tax incentive list for all federal, state and utility companies.
Green Resource Directory
The Better Business Bureau for Eastern North Carolina