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.

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Geo Power: Stay Warm, Keep Cool and Save Money with Geothermal Heating & Cooling

Donal B. Lloyd

$19.95 paperback
ISBN 978-1-936555-58-1
5.5 x 8.5, 208 pages
published Sept. 2015

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