I installed it about six toes earlier mentioned the attic floor joists. My attic isn't really floored. The very best position in my attic is about twelve toes higher than the attic joists. A further sort of Lively solar technological know-how is concentrated solar energy or concentrated solar ability (CSP). https://judahxnyjq.glifeblog.com/33837575/not-known-details-about-solar-energy