What is the expected heat output of a solar air panel?
I have local pyranometer readings for December and January which are my highest heat load months and am trying to figure out what sort of efficiency a solar air panel usually provides so I can get a good idea of what sort of total BTU output I would receive per square meter on a full sun January day using the figures I have for my area. Is there a good rule of thumb multiplier or a ratings database for solar air heaters to look at under some sort of standard test conditions that I could modify to know how large of an area I need to dedicate to solar air heating?
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