(Washington, DC - March 21, 2011) Geothermal Exchange Organization (GEO) Chairman of the Board Daniel Ellis (ClimateMaster, Inc.) recently announced that Douglas A. Dougherty has accepted the position of GEO President, effective March 21. GEO is a non-profit trade association providing education and advocacy for the geothermal heat pump (GHP) industry. GHP systems tap the renewable energy of the Earth, typically save 50% or more in heating and cooling costs for residential and commercial buildings. GHPs offer significant reductions in pollution and greenhouse gases from conventional energy sources