How Do Turbine Roof Vents Work

The turbines are adjustable so that the spinning part is level even though the roof is slanted.

How do turbine roof vents work. The 14 inch diameter unit could provide a complete air change in the attic every 14 minutes at 15 mph. Good attic ventilation is important for preventing ice dams in the winter. Imagine what happens if you install two or three of these simplistic turbine vents on the. But the question our customers often ask is do they really work.

Attic must have 5 sq. A turbine is installed directly on the top of a roof and uses wind power to suck hot and humid air out of the attic. A ridge vent runs across the top of the roof s peak. Because warm air rises up the wind powered vents with their spinning action tend to suck the air outside.

In addition pay attention to the maximum roof pitch that will work with the turbines. Whirlybird roof turbines vents you know those funny spinning things you see up on the roof tops. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. A single 12 inch diameter turbine vent could provide a complete change of air in the attic space every 52 minutes if the outside breeze was just 5 mph.

Most residential homes have some type of attic ventilation. If you decide to add more turbine vents to your roof be sure to buy ones that are aluminum. Unlike turbines this venting style does not have any moving parts. These will not rust.

Not all turbines will fit all roof pitches. The answer is yes they really do. A turbine has a series of vanes that spin as wind passes through them. Turbine vents use a combination of wind and convection to extract stale hot air from inside your home and replace it with the cool clean air from the outside.