Information and resources for evaluating and installing a ground source heat pump.
Energy Star - Heat Pumps and Geothermal
Energy Star - Quality Installation Checklist
Energy Star - Ten Tips for Hiring a Heating and Cooling Contractor
Geothermal Heat Pump Overview
Geothermal Heat Pumps for Homeowners
International Ground Source Heat Pump Association (IGHSPA)
Licensed or Registered Well Contractor Directory
North American Technical Excellence
Pros and Cons of Geothermal Heating and Cooling Systems
What should I know about installing a geothermal system?