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Reload this Page Using soda cans for solar heat (insulation, glass, between, efficiency)
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Old 10-04-2014, 09:46 AM
 
Location: Chapel Hill, N.C.
36,499 posts, read 54,051,718 times
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so soda isn't totally useless after all.

WATCH: This Man Uses Soda Cans To Save Money On Bills. How He Does It Is Pure Genius. [VIDEO]
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Old 10-05-2014, 12:35 AM
 
Location: Lexington, Kentucky
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Wow!
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Old 10-05-2014, 10:23 AM
 
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The idea is old. Mother Earth News and others had articles on that type of collector in the 1970s.

Genius it is not. In a box collector, efficiency is going to be based upon insulation, speed of airflow and difference in temperatures between intake / outtake / ambient air. Further efficiency can occur with highly transmissive glass and an absorber design that minimizes reflection of radiation. Cans are not ideal, they simply have a good cost/result ratio if you don't have a lot of money.
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