We spray foam insulation on the back of our panels and it works great. Once you get even a slight amount of sunlight even if it's -20 out the snow and ice will slide right off.
We also apply rainx to the panels to make them more slick. -Sean On Sunday, September 20, 2015, Steve D <[email protected]> wrote: > Maybe it's Saturday night exhaustion talking, but piping the exhaust from > a standby generator toward the back of solar panels a bad idea? I'd expect > it to not put heat on the panels in the summer except it's weekly exercise > cycle but that shouldn't be too bad? LP too so shouldn't be any soot. Or > would this just create one little hole of open panel and a pile of ice? > Bad in general for the panels? > > If I did this again, I'd put the damn thing directly under the panels... > these Onan's get stinking hot. My little "cool running", comparatively > speaking, portable yamaha's will melt a two foot radius of snow around them > if they run for a good length of time, all this heat going to waste! The > Onan would probably clear the whole rack if it was sitting right below it. > > Grumble grumble... snow... something, something, curse words... > > Cheers, > > Steve D > >
