Industry_Survey_2010_FINAL_E.pdf (1006,3 kB)The State of the Canadian Geothermal Heat Pump Industry 2010 - Industry Survey and Market Analysis. Canadian GeoExchange Coalition, November 2010
StudieHeizsystemWaermepumpe.pdf Ecologic, energetic and economic assessment of heat pumps systems - a comparision. Johannes Kepler University, Linz, Austria, 2009 (German only)
100201_IndustryRoadmapDEengFINAL.pdf Germany: National renewable energy industry roadmap. Editor: BEE, November 2009