Cool Attic Turbine
Find roof turbine vents at lowe s today.
Cool attic turbine. A turbine has a series of vanes that spin as wind passes through them. A ridge vent runs across the top of the roof s peak. Intake vents located at the lowest part of the roof under. These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Unlike turbines this venting style does not have any moving parts. Attic must have 5 sq. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air. Good attic ventilation is important for preventing ice dams in the winter.