heat your house in winter with summer sun

This is a site for eco-geeky people who like the concepts of green roofs, earth berms, and solar collector air pipes running under their foundation. Greener Shelter tries to be completely earth friendly and budget aware, but some projects he discusses seem to have spent some extra dough. I'm attracted to warming the earth every summer so that by the third winter the ground underneath is 70F.

I have other posts on alternative construction at houses and conservation and many links at my shared feed.

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