QuietCool QC 4500 D "Classic" Large Whole House Fan offers unmatched performance and exceptional durability with a 10-year warranty.
Genuine Whole House Coverage
This unit features a powerful, two-speed fan capable of moving up to 4,712 CFM on high and 2,457 on low. Covering a maximum of 2,350 sq. ft. this unit really can ventilate a home.
Balances Noise and Power
QuietCool successfully balances the need for power and minimizing noise. Using a dual-duct exhaust this system manages sound, limiting it to 47 db. At that level, dinners, movies and get-togethers won't be interrupted by a noisy fan.
Home Energy Savings
Equipped with air-tight, insulated dampers, this unit provides 5 R Value to reduce energy loss so that your home heating and cooling are more efficient.
American Made and 10-year Warranty
For the highest quality, durability and performance, this unit is made in America and proudly bears a 10-year limited warranty.