Less ductwork and holes in the roof for hood vents with an inline system ... "It doesn't have all the added features of a ...

Powered ventilators have an electric fan inside ... installed over the vents if a large tropical storm is expected. Larger roof ventilator units, usually powered, are often mounted on a roof curb. A ...

And the extra heat is not just a summer concern: During winter, if hotter-than-outside attic air isn’t ventilated, it can create ice dams that cause interior leaks, mold, and roof damage.

I am reroofing the house and have a question about roof venting. Most houses in the neighborhood have ridge vents on all their ridges. Some have electric vent fans, and one house has a fan powered ...