Heat spring has a good "Survival Kit" discussing geothermal, here: <a href="http://www.heatspring.com/?id=resources">http://www.heatspring.com/?id=resources</a><div><br></div><div>John</div><div><br></div><div><br>
<div class="gmail_quote">On Wed, Mar 18, 2009 at 10:16 AM, BuildersWithoutBorders <span dir="ltr"><<a href="mailto:mail@builderswithoutborders.org">mail@builderswithoutborders.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Dear colleagues -<br>
<br>
Can someone shed some light on so-called geothermal heating systems, and their cost-effectiveness for a typical home?<br>
<br>
I imagine the pay-back in energy saved has something to do with how many heating degree days in a specific climate.  But then, I understand they can also be reversed for cooling.<br>
<br>
This seems like an expensive technology that is dependent on electrical service... can it be powered by solar/<br>
<br>
Thanks for any insight offered.<br>
<br>
<br>
Sincerely,<br>
Catherine Wanek<br>
Co-director<br>
Builders Without Borders<br>
<<a href="mailto:mail@builderswithoutborders.org" target="_blank">mail@builderswithoutborders.org</a>><br>
<a href="http://www.builderswithoutborders.org" target="_blank">www.builderswithoutborders.org</a><br>
575-895-5400 <br>
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</blockquote></div><br><br clear="all"><br>-- <br>John Swearingen<br><br>Skillful Means<br><a href="http://www.skillful-means.com">www.skillful-means.com</a><br>
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