Roof Turbines Not Turning

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.

Roof turbines not turning.

The maximum roof pitch is almost always printed on the box label. You may have to replace the turbine with an electric fan type of ventilator. Nothing is more bothersome in the middle of a. Examine the turbine from the exterior from the roof.

The new turbine needs hot air to flow out to turn the impellers. This is a standard turbine vent. The turbines are adjustable so that the spinning part is level even though the roof is slanted. Just hot air rising out of one will make it spin.

If the vents are blocked by insulation boxes or. Do you see anything else that s wrong in the photo. Not all turbines will fit all roof pitches. I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level.

It doesn t take much wind to turn your turbine roof vents. If the vent is rusted it may be sticking and not turning as it should and this can lead to water infiltration. If yours aren t turning it s time to lubricate or replace entirely. Crooked turbine vent small.

The hot air is exiting the roof through the louvers at each end of the roof as they were designed to do. Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in. 2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind. A turbine may fail to spin if the bearings become rusty or.

In the photo below the vent on the left wasn t level. The faster the wind speed the faster the turbine rotates. There may also be something near or in the vent that is stopping it from turning. Do i have a low pressure system.

If they spin freely but just sit there when on your roof i d say they aren t level. Climb up into your attic and look at the vents from the inside. Finally be sure the ball bearings are permanently lubricated and sealed. Also barely using my finger of course they spin freely no noise etc.

You can usually adjust the level by turning the turbine body. 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.