http://www.sierraclubgreenhome.com/videos/passive-solar-heating/ It Begins Where You Live Wed, 28 Jul 2010 01:42:55 -0500 http://wordpress.org/?v=2.9.2 hourly 1 http://www.sierraclubgreenhome.com/videos/passive-solar-heating/comment-page-1/#comment-286 Stan Mon, 24 Aug 2009 23:10:14 +0000 http://www.sierraclubgreenhome.com/?p=5272#comment-286 I think this is a good idea but it isn't as reliable as geothermal. Geothermal doesn't depend on the above ground environment. Here is a great example of how it works. http://geothermalexperts.net/residential_systems.html I think this is a good idea but it isn’t as reliable as geothermal. Geothermal doesn’t depend on the above ground environment. Here is a great example of how it works. http://geothermalexperts.net/residential_systems.html

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