Gibraltar Building Products 36 in. 6900 CFM Electric Powered Belt Drive Whole House Fan with Shutter

Whole-house fans are installed in a central hallway inside the house and pull fresh outdoor air through open windows. They are often used to augment air conditioning or instead of air conditioning in mild summertime climates. Whole House Fans come in 24 in. Direct Drive, 30 in. Belt Drive and 36 in. Belt drive.