Links
Manufacturers
- Alternate Energy Technologies – solar heating
- ClimateMaster – Tranquility® Geothermal Heat Pump
- HydroHeat - Mega-Tek Geothermal Heat Pump
- Hallowell International – Acadia™ Advanced Air-Source Heat Pump
- Skuttle – humidification and air filtration
Trade Organizations
- Air Conditioning & Refrigeration Institute
- Consortium for Energy Efficiency
- Geothermal Heat Pump Consortium
- International Ground Source Heat Pump Association
Government Agencies
- Energy Star®
- Environmental Protection Agency – search for “geothermal heat pumps”
- U.S. Dept. of Energy – Geothermal Energy Topics
