A turbine has a series of vanes that spin as wind passes through them.
Cool attic turbine.
Find roof turbine vents at lowe s today.
Get free shipping on qualified roof turbines or buy online pick up in store today in the building materials department.
Attic must have 5 sq.
Unlike turbines this venting style does not have any moving parts.
These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
A small 12 inch diameter turbine vent with a constant wind speed of 5 miles per hour mph can remove 347 cubic feet of air per minute cfm from the attic space.
Intake vents located at the lowest part of the roof under.
Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air.