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.

The intake should be installed at the soffits or blocking where the walls meet the roof. 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. Well now you know. The popular ridge and soffit ventilation systems.

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. For an attic to ventilate properly it must have a balanced system with equal amounts of 50 intake and 50 exhaust. 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. Roof turbine vent tips turbines work for free.

A turbine vent is a passive ventilation device. 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. How to install turbine vents the installation of a turbine vent is nearly identical to a static vent. Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Because warm air rises up the wind powered vents with their spinning action tend to suck the air outside. How much air must be moved. A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air. And in fact just so you know those spinning roof vents are probably not the best way to vent your roof.

Intake vents located at the lowest part of the roof under. Ventilating attic spaces in winter. 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. The last thing you want to do is stuff insulation in the vents.

How do turbine roof vents work. Since turbines are attached directly to attic spaces they can siphon away that moist air effectively.