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Old 02-09-12, 11:01 PM   #4
AlanE
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Join Date: Oct 2011
Location: Canada
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I don't think my post count is high enough to enable me to provide links yet. If you look about you can find websites which give you optimum solar angles for your location and the dates during the year when you should change the angle of your collectors. Do it twice a year or 4 times and your optimization increases.
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