Maxx Air 2,700 CFM 2-Speed Modern Whole House Fan with Ceiling Grid

This modern Whole House Fan is comprised of an 18 in. diameter fan used for efficiently pulling in fresh air through open windows and removing hot, stale air from your home through the attic for a more comfortable and refreshing living environment. Professionally tested by a 3rd Party- 2,700 CFM This Entire unit is UL 507 Certified Unlike a standard whole house fan, our ducted models feature a damper box that is sealed with R5 insulation to prevent heat transfer back into your home, and a 12 ft. duct for maximum ventilation performance and noise reduction. The fan head mounts to an attic rafter with the included hanging bracket for an easier, faster install than a traditional whole house fan. It's a cost-effective solution to improving your indoor air quality while relieving strain on your air conditioning equipment.