My neighbor is having a 2 zone hvac system installed with 1 zone having the equipment and ductwork in the attic. I have been wanting to move my system to the attic but haven't because of all the normal concerns (poor efficiency, less comfort, and shortened life due to extreme temps). My neighbor has 2 gable fans blowing out on opposite ends and 1 roof fan blowing out. He has fully vented soffits. He said his attic never gets extremely hot in the summer here in N.J. Is this possible? Could this make the attic setup work well?