This updated & expanded edition includes a more comprehensive science & technology section for geothermal students / trainees and installers, and savvy homeowners.

  • Geothermal system options: open loop vs. closed earth loops; either horizontal or vertical, for water-to-water or water-to-air HVAC systems.
  • The importance of finding a qualified contractor.
  • Important money concerns: costs, tax credits, payback time, increased home values.
  • Who is using geothermal energy, including the author's firsthand experiences and Earth Smart Home profiles from around the country.
  • How solar electricity can be used to power the system, plus other future trends.
  • Understanding the basic principles of heat pumps and how super-efficiencies are achieved.
  • Performance standards, ratings and warranties.
  • Careers: joining the geothermal industry.
  • Comprehensive appendix with numerous resources.




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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