I would like to know what the heat output of this PEX solar hot water collector is, because I don't think it is going to be very high, real collectors are not that expensive compared to their life span and the space they take up.
I just like to see things that work, and work well, I've installed systems that were 7 3x10 panels (14sf less then 7 4x8' panels) and those 7 panels supplied 90% of the heat for a 2,000 sf super insulated house, and all of their domestic hot water, the other heat source was a small wood stove, they burned a pickup truck of sticks and twigs per year.
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