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Old 03-10-2014, 09:24 PM   #8 (permalink)
Master EcoModder
Join Date: May 2012
Location: USA
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How about using a blower to make an air curtain like they use at some stores to go across the grill, then it turns off with a reverse relay when cooling is needed so air can go through the grill. Then when its cool again it powers up and the air curtain returns?
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