How Roof Turbine Vents Work

The popular ridge and soffit ventilation systems.

How 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. And in fact just so you know those spinning roof vents are probably not the best way to vent your roof. Nrca and everybody needs a roof. The last thing you want to do is stuff insulation in the vents.

Since turbines are attached directly to attic spaces they can siphon away that moist air effectively. Ventilating attic spaces in winter. Well now you know. How do turbine roof vents work.

The conventional wisdom is to put in soffit vents down at the bottom of the roof so the replacement air can enter here and flow up under all the roof sheathing. A turbine has a series of vanes that spin as wind passes through them. Continuous soffit vent and a ridge vent beats a turbine vent any day. Wind driven turbine vent wind driven roof vents will pull more air from the attic but only when the wind is blowing.

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. This convection movement naturally draws in cooler outside air to replace the air that just exited. How much air must be moved.

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. 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. Unlike turbines this venting style does not have any moving parts. 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.

Dependable construction has made a video on how to replace a turtle vent on a roof. Because warm air rises up the wind powered vents with their spinning action tend to suck the air outside. Roof turbine vent tips turbines work for free. To take full advantage of this effect a roofer will generally install intake roof vents for houses lower on the roof closer to the eaves while placing exhaust vents higher near the peak to let the cold air push the hot air out more easily.

Somebody told me well you ll save money in the winter if you cover your turbines up tom. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.