Whatever you save during the few days of the year when the outside temp is too warm for heat and too cool for air conditioning, I think is more than being eaten up when you need to turn on one or the other.
If you leave it freely circulating what is the box for that you're building around it? I just think I wouldn't have a whole house attic fan unless I lived in a really mild climate. And then I'd want some mechanism that completely insulates it from conditioned air for when I do need heating or cooling.
I'm interested to hear what others say about that.
If you leave it freely circulating what is the box for that you're building around it? I just think I wouldn't have a whole house attic fan unless I lived in a really mild climate. And then I'd want some mechanism that completely insulates it from conditioned air for when I do need heating or cooling.
I'm interested to hear what others say about that.