Roof Turbines Not Turning

Climb up into your attic and look at the vents from the inside.

Roof turbines not turning.

Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in. My attic turbines are not turning step 1. The maximum roof pitch is almost always printed on the box label. It doesn t take much wind to turn your turbine roof vents.

This is a standard turbine vent. Do you see anything else that s wrong in the photo. Crooked turbine vent small. A turbine may fail to spin if the bearings become rusty or.

Since they are only 4 years old i m guessing they were replacements so maybe the wrong ones were installed not all turbines work with all roof pitches or these just haven t been leveled correctly. If the wind is blowing and catches the fins then the turbines act like giant vacuum pumps sucking hundreds of cubic feet of hot air out of an attic per minute. You can usually adjust the level by turning the turbine body. The turbines are adjustable so that the spinning part is level even though the roof is slanted.

The hot air is exiting the roof through the louvers at each end of the roof as they were designed to do. If the vent is rusted it may be sticking and not turning as it should and this can lead to water infiltration. Not all turbines will fit all roof pitches. When they re not installed level they don t turn.

If the vents are blocked by insulation boxes or. Finally be sure the ball bearings are permanently lubricated and sealed. If yours aren t turning it s time to lubricate or replace entirely. If they spin freely but just sit there when on your roof i d say they aren t level.

Also barely using my finger of course they spin freely no noise etc. The one thing i ll mention is that turbine vents need to be installed perfectly level. There may also be something near or in the vent that is stopping it from turning. Nothing is more bothersome in the middle of a.

The faster the wind speed the faster the turbine rotates. Just hot air rising out of one will make it spin. The new turbine needs hot air to flow out to turn the impellers. Do i have a low pressure system.

In the photo below the vent on the left wasn t level. 2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind.