International Ground Source Heat Pump Association (IGSHPA) GreenHeat Partnership GreenTherms Standard In My Back Yard (IMBY) U.S. Geothermal Heat Pump Consortium (GHPC) Natural Resources Canada (NRCan) Residential Earth Energy System Guide (NRCan 2002) NRCan Publications with link Heating & Cooling with a Heat Pump (NRCan 1995) RETScreen pre-feasibility analysis, ground-source heat pump module Environment Canada Canadian Renewable Energy Network International Energy Agency (IEA)Heat Pump Centre U.S. Geothermal Energy Technical Site U.S. Energy Efficiency& Renewable Energy Network U.S. Department of Energy (DoE) U.S.Geothermal Energy Air Conditioning & Refrigeration Institute (ARI) U.S. Environmental Protection Agency (EPA) - 1 U.S. Environmental Protection Agency - 2 U.S. Electric Power Research Institute (EPRI)
(if searching, avoid 'geothermal' in the context of hot-rock electricity generation)
Some other sites of related interest: canadian association for renewable energies (we c.a.r.e) Associations & Climate Change GreenHosting service for internet domains
