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A: We suggest that you contact your local heating and air-conditioning contractor. If they can’t help you, contact local HVAC suppliers, electric cooperatives, HVAC trade organizations or the National Ground Water Association for a list of contractors in your area who are familiar with GeoExchange units.

The following materials are suggested for more information on ground water, wells, and geothermal heat pumps:

Publication Category Cost
American’s Priceless Ground Water Resource consumer literature $1.00
Ground Water Heat Pumps consumer literature $1.00
When You Need a Water Well consumer literature $1.00
Guidelines for the Construction of Vertical Boreholes for Closed Loop Heat Pump Systems technical manual $30.00







You may purchase listed publications from:

National Ground Water Association
601 Dempsey Road
Westerville, Ohio 43081
(800) 551-7379
614-898-7786 fax or visit

Additional information sources:

Geothermal Heat Pump Consortium
701 Pennsylvania Avenue, NW
Washington, DC 20004-2696

Geo-Heat Center
3201 Campus Drive
Klamath Falls, Oregon 97601

International Ground-Source Heat Pump Association
490 Cordell South
Oklahoma State University
Stillwater, Oklahoma 74078-8018

American Society of Heating, Refrigeration, and Air Conditioning Engineers
1791 Tullie Circle NE
Atlanta, Georgia 30329

Air Conditioning and Refrigeration Institute
4301 N. Fairfax Drive
Arlington, VA 22203