Canadian GeoExchange Coalition
- http://www.geo-exchange.ca/
- Coordinates private and public sector stakeholders to inform, develop and promote products and services. Includes mission statement, membership and technological information. [English, French]
European Heat Pump Association (EHPA)
- http://www.ehpa.org/
- Non-profit organisation which promotes awareness and proper deployment of the technology in Europe. Includes basics, news, publications, events calendar, project and regulatory information.
Geo-Heat Center
- http://geoheat.oit.edu/
- Information for the prospective owner from the Oregon Institute of Technology. Includes technology background, terminology and description of various mechanisms.
Geoexchange
- http://www.geoexchange.org/
- Information on the technology from the U.S. Geothermal Heat Pump Consortium. Includes detailed case studies of applications, publications, statistics and facts.