Trapped attic air can easily reach 150° or more. These units remove super-heated attic air, making any home more comfortable. Whether its air conditioned or not. In those homes that are, the air conditioners run less and dont have to work nearly as hard. And all Broan Powered Attic Ventilators are as efficient as they are dependable. Quiet, high-performance operation for inside-the-attic applications.
Galvanized steel housing, ribbed for added strength.