The World Wide Web is full of great information about Geoexchange systems. To assist you with your information searches, we recommend the following websites:
WaterFurnace: www.waterfurnace.com
International Ground Source Heat Pump Association (IGSHPA): www.igshpa.okstate.edu
Geothermal Heat Pump Consortium (GHPC): www.geoexchange.com

If you wish to view the following PDF's for more information, simply click on the title displayed.