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Old 02-26-15, 06:17 AM   #4
house4u
Lurking Renovator
 
Join Date: Feb 2015
Location: Ukraine
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But sunselect is not so important! It is good but not necessary Here is a simple video of my first solar collector in February 2 years ago. Absorber is a blackened copper leaf.



As you see - temperature is also high, but i used double glazing for it.
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