Trapped attic air can easily reach 150 or more. This unit removes super heated attic air, making any home more comfortable, whether it s air conditioned or not. In those homes that are, the air conditioners run less and don t have to work nearly as hard. And all Broan Powered Attic Ventilators are as efficient as they are dependable. Broan 353 1140 CFM Gable Mounted Powered Attic Ventilators Quiet, High Performance Operation for Inside the Attic Applications Galvanized Steel Housing, Ribbed for Added Strength Mounting Brackets Simplify Installation 1140 CFM for Attics up to 1630 sq. ft. 14 Diameter Steel Blade Specially Designed for Maximum Air Movement Operates Automatically Adjustable Thermostat Built in Thermally Protected, Permanently Lubricated Motor.
