sunroom with summer ventilation
Image by daveeza
a finned tube heat exchanger in the exhaust would preheat all domestic water needs
lots of low cost solar ideas here:
www.ece.vill.edu/~nick/usenet/.
free usenet, usenet news, server usenet
sunroom with summer ventilation
Image by daveeza
a finned tube heat exchanger in the exhaust would preheat all domestic water needs
lots of low cost solar ideas here:
www.ece.vill.edu/~nick/usenet/.
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