Discover why geothermal heating and cooling is the most energy efficient technology available to homeowners, and how all homes--new or retrofit, in hot or cold climates--can use this reliable, silent, non-polluting way of extracting free energy from the earth.
Read More
Discover why geothermal heating and cooling is the most energy efficient technology available to homeowners, and how all homes--new or retrofit, in hot or cold climates--can use this reliable, silent, non-polluting way of extracting free energy from the earth.
Read Less
Add this copy of The Smart Guide to Geothermal: How to Harvest Earth's to cart. $5.99, very good condition, Sold by ThriftBooks-Reno rated 4.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 2011 by Pixyjack Press.
Add this copy of The Smart Guide to Geothermal: How to Harvest Earth's to cart. $5.99, very good condition, Sold by ThriftBooks-Dallas rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2011 by Pixyjack Press.
Add this copy of The Smart Guide to Geothermal: How to Harvest Earth's to cart. $24.99, good condition, Sold by h&hbooks24 rated 4.0 out of 5 stars, ships from Saint Louis, MO, UNITED STATES, published 2011 by PixyJack Press.
Add this copy of The Smart Guide to Geothermal: How to Harvest Earth's to cart. $98.82, new condition, Sold by GridFreed rated 4.0 out of 5 stars, ships from North Las Vegas, NV, UNITED STATES, published 2011 by PixyJack Press.
