QuietCool QC 4500 D "Classic" Large Whole House Fan covers an amazing 2,350 sq. ft. to successfully ventilate an entire home.
Power to Spare
Fully able to over up to 2,350 sq. ft., this system is truly a whole house system. Equipped with a two-speed fan it can move 4,712 CFM on high and 2,457 on low for exceptional ventilation and cooling.
Reduce Noise and Remain Cool
All of that power is available with quiet operation. At no more than 47 db, your intimate dinners and casual discussions won't be overshadowed by an noisy fan.
Insulated for Energy Efficiency
Improving home energy efficiency, this unit is equipped with air-tight, sealed dampers for an R Value of 5. Don't lose energy spend heating and cooling your home!
Built in the U.S.A. this unit proudly wears a 10-year limited warranty for quality, performance and reliability that will last.