Comfort Cool Fans Direct Drive Whole House Fan, 3396 CFM (HVI-916 Certified Rating) 2-Speed Wall Switch/Timer, R5 Damper

Installing a whole house fan can significantly reduce your air conditioning bills. If you live in an area with hot days and cool nights, stop throwing money away on air conditioning and save by drawing the cool night air into your home. Super quiet modern engineering advances. This is not the old belt drive, loud, noisy and vibrating whole house fan of the past. QuietAir fans use acoustical ducting for quieter operation. A gravity damper isolates the living area from the attic when the system is not running. Easy Installation. Unlike older style whole house fans, QuietAir fans are designed and engineered to fit between 16 in. and 24 in. on-center joists, no additional framing is required.