Ron has been concerned primarily with energy conservation, however you can see here that he has cut back the porch roof to allow passive gain on these south facing windows.
These hot water panels were bought used. The left two are glycol heat exchangers used to heat domestic hot water. The right two are drainback types used to heat hot tub water to 110 degrees in the winter.
Ron's home will be one of the solar tour destinations on October 3rd.
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