Recent content by Jerfmon

I'm 45 degrees latitude, zip code 98604

I am putting a solar powered attic fan on my roof. If I had a flat roof, I would have my panel facing south at a 17 degree angle. However, my roof faces east-west at a 30 degree pitch. I'll put my panel on the west roof with the panel facing south, but how do I adjust the angle of the panel...