Quote:
Originally Posted by creeky
if you're thinking of a pop can solar air heater you might want to drop by builditsolar. Gary (?) has done a neat test on solar air heaters and they have a design/plan for a window screen solar air heater that tests out really well.
I'm building mine as soon as the snow goes.
and thanks XRinger for this post. I am putting in a solar water preheat system and now I'm seriously considering the panel/controller route. though 175 for the controller plus 200 for the 250 @ 48v panel plus electric water heater ... gettin' mighty 'spensive.
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It's funny that you mention that because I just ran into that two days ago looking at solar air heating options. I conveniently bookmarked the link, here it is:
Solar Air Collector Performance Testing for DIY Collectors