I mounted it about 6 ft above the attic floor joists. My attic is just not floored. The very best point in my attic is about 12 ft higher than the attic joists. Combined with rooftop solar panels for charging and the battery to possibly feed back in the evening, https://solarcompany44072.goabroadblog.com/33986849/examine-this-report-on-solar-company