Just a little update, so far my garage has only dipped to -2C one night. This night the temp dropped to -25C with a wind chill of -32C. The day that the temp. dropped to -25C that following day the outdoor temp got to -13C. It was a clear sunny day and the heater brought the temp in the garage to 6C with about 4-1/2 to 5 hours of useable sunlight on the panel. I am pleased with the results so far. Big problem is Mother Nature isn't giving me enough clear sunny days. Oh well just have to take what we get.
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