The Oak Ridge National Laboratory has just published a comprehensive new report on geothermal heat pumps. To read the full report go to ornl232.geoexchange.org or http://www.zebralliance.com/docs/geothermal_report_12-08.pdf Geothermal (Ground-Source) Heat Pumps: Market Status, Barriers to Adoption, and Actions to Overcome Barriers Abstract: More effective stewardship of our resources contributes to the security, environmental sustainability, and economic […]