This updated & expanded edition combines the popular book, The Smart Guide to Geothermal with a more comprehensive science & technology section. Ideal for geothermal students / trainees and installers, and savvy homeowners.
Find more info at GeoPowerful.com
Geo Power: Stay Warm, Keep Cool and Save Money with Geothermal Heating & Cooling
Donal B. Lloyd
5.5 x 8.5, 208 pages
published Sept. 2015