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.
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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. $49.06, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2011 by PixyJack Press.
Add this copy of The Smart Guide to Geothermal: How to Harvest Earth's to cart. $101.23, 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.
