IGSHPA - International Ground Source Heat Pump Association - www.igshpa.okstate.edu

GHPC - Geothermal Heat Pump Consortium - www.geoexchange.org

Energy Star - www.energystar.gov

U.S. Department of Energy - www.eere.energy.gov

State Incentive Database - www.dsireusa.org

Online News - Renewable Energy - www.sustainablefacility.com

Well Owner.org - www.wellowner.org

GeoComfort Geothermal Systems - www.geocomfort.com

Manufacturers:
    WaterFurnace - www.waterfurnace.com
    Climate Master - www.climatemaster.com
    FHP Manufacturing (Florida Heat Pump) - www.fhp-mfg.com

HVAC Qualified Installers -   call 1-800-882-0200 for a geothermal installer in your area