Low capital solar for low temperature space heating?
On 7 Jul, 19:37, "Mary Fisher" wrote:
I'm also surprised that you're asking - that's a compliment by the way.
Thanks, but I need figures for what real-world losses are from the
front surface of this sort of collector. You really can't predict that
with any confidence. Rearward losses (courtesy of 6" of rockwool) are
effectively zero in comparison.
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