Attic fans are powered exhaust fans located on a roof or gable wall of a home. Installed like a box vent, these are more powerful than passive exhaust methods. In theory, attic fans help expel air ...

Garage fans can make big impacts on cooling bills. But one HVAC contractor says it’s still a blind spot industry-wide.

If there's no attic, it may have to pass between the ceiling joists, which may call for some drywall removal. The fan is typically secured to ceiling joists with braces. The exhaust vent attaches ...