How Do Roof Turbine Vents Work

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.

How do roof turbine vents work.

Roof vents need to move hot humid air from the attic to the outdoors so that humidity doesn t build up and cause mold rot or other moisture problems that findlay roofing regularly sees when dealing with attic issues. How do turbine roof vents work. All things being equal wind driven turbine vents also known as a whirlybird roof vent do move more air than flat vents but only when the wind blows. Whirlybird roof turbine vents are as easy to install as turtle vents and are one of the most popular ways remove hot air out of the attic space.

For an attic to ventilate properly it must have a balanced system with equal amounts of 50 intake and 50 exhaust. The intake should be installed at the soffits or blocking where the walls meet the roof. A roofer will from the attic mark a spot near the ridge of the roof he may first use nails from the attic to mark preferred spots between two rafters. How much air must be moved.

Because warm air rises up the wind powered vents with their spinning action tend to suck the air outside. 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. Wind driven turbine vent wind driven roof vents will pull more air from the attic but only when the wind is blowing.