Write for (or instantly download at https://www.dulley.com) Update Bulletin No. 657, a buyer’s guide of 11 solar-powered attic vent and turbine fans listing air flow ratings, watts, sizes ...

A final note: The spinning roof turbine vents are an excellent match for whole-house fans. They do not restrict the amount of opening in the roof. In fact, when they spin either by wind power or ...

Do you prefer an independently powered solution to your attic venting issues? Consider a wind-driven fan, also known as a turbine. Note that rooftop turbines, like the Lomanco 12-inch Whirlybird ...

Below the roof, a short pipe leads to a fully enclosed turbine. In older houses, certain kinds of kitchen vent fans respond to the wind outside and turn on their own. The rooftop turbine fan is ...

An attic fan, be it solar or electric powered ... louver, ridge, dormer, or turbine vents. Also called whirly birds, turbine vents are wheels mounted near the ridge of the roof.

I'm a big fan of roof turbine vents. Some people call them whirlybirds. They look like small round mushrooms sticking out of your roof. The vents have blades that are shaped to capture the wind ...

Fans draw air through the attic by creating ... Most of the time, they act as exhaust vents, but air also can enter the attic through a turbine. Turbine vents are not effective, as they only ...

Commissions do not affect our editors' opinions or evaluations. Seldom do most of us give much thought to the air flow in our attic. Ventilation is vital for roofing systems on homes with unheated ...

no matter where the fans are placed. Another effective means of convecting hot air from an attic involves air turbines - those round spinning devices commonly seen on the roofs of commercial and ...