Posted by spacecadet9 on March 05, 2014 at 12:45:38 from (69.161.33.52):
In Reply to: Solar heating? posted by 55 50 Ron on March 05, 2014 at 09:58:58:
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I found an online PDF that might give you some ideas. I knew Marv Hall, one of the authors, and he had really good ideas on alternative energy. http://archive.lib.msu.edu/DMC/Ag.%20Ext.%202007-Chelsie/PDF/e1761-1984.pdf The title says it's about swine confinements, but Marv said the attic collector worked real well for shops. They had duct running from the attic collector down to a mass storage under the floor. He said a 0* outside the inside would be 50*+ with a warm floor.
My parents store had a showroom with 5 5'x10' single glaze plate glass windows, 3 of them south facing. I built a collector to fit in one of the south windows. I used bead board foam covered with old printing plates from our local newspaper (they were thin aluminum and was before recycling was popular). I put a hole at the bottom and top which created a thermal siphon. It would get too hot and the top and was melting the foam. Marv came by, took some measurements, and suggested a fan to circulate the the air faster. I had to experiment with the cfm to get the balance. Too little it got too hot, too much and the air didn't heat.
You might get some ideas at 'instructables.com' and 'mothereartnews.com'.
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