Mother's Flat Plate Solar Collector

Here's an easy-to-build flat plate solar collector that's bound to cut your water heating bills!



067 flat plate solar collector - four collectors
Three different flat plate solar collectors were compared with a commercial collector (the rectangular unit at right) for performance.
PHOTO: MOTHER EARTH NEWS STAFF
067 flat plate solar collector - pressing fins
Press the aluminum fins to form a groove which fits around the collector's fluid-carrying lines
MOTHER EARTH NEWS STAFF
067 flat plate solar collector 4, 5
TOP: Seal the seams with silicone caulk. BOTTOM: Drilling pilot holes allow you to pound in or remove the nails more easily.
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067 flat plate solar collector - stapling plates
Staple the aluminum plates printed sides in before slipping them over the tubes
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067 flat plate solar collector - tacking it together
Tack the collector together, using 1" aluminum roofing nails. Trim away the excess glazing
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067 flat plate solar collector - diagram
Diagram shows the parts and assembly method for the collector.
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