Resources
Ellis, D. (2008) "Field Experience with Ground-Source Heat Pumps in Affordable Low Energy Housing." 9th International IEA Heat Pump Conference, 20 – 22 May 2008, Zürich, Switzerland. (PDF)UK Ground Source Heat Pump Association
International Ground Source Heat Pump Association
GeoExchange Organization
School for Renewable Energy Science
Geothermal Institute (Mammoth Lakes)