6500 CFM Energy Efficient Whole House Fan Includes 2-Speed Remote with Timer

Natural ventilation cooling system using modern technology and engineering. Installing a QA-Deluxe 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. This is not the old belt drive . loud . noisy and vibrating whole house fan of the past. QA-Deluxe whole house fans use acoustical ducting for quieter operation. An R-5 insulated gravity damper isolates the living area from the attic when the system is not operating. Easy Installation. Unlike older style whole house fans . QA-Deluxe Fans are designed and engineered to fit between 16 in. and 24 in. on-center joists . no additional framing is required.