Roof Turbines Not Turning

The new turbine needs hot air to flow out to turn the impellers.

Roof turbines not turning.

Crooked turbine vent small. 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. The faster the wind speed the faster the turbine rotates. Finally be sure the ball bearings are permanently lubricated and sealed.

Climb up into your attic and look at the vents from the inside. Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in. Do you see anything else that s wrong in the photo. There may also be something near or in the vent that is stopping it from turning.

If the vents are blocked by insulation boxes or. In the photo below the vent on the left wasn t level. Nothing is more bothersome in the middle of a. The one thing i ll mention is that turbine vents need to be installed perfectly level.

The hot air is exiting the roof through the louvers at each end of the roof as they were designed to do. A turbine may fail to spin if the bearings become rusty or. You can usually adjust the level by turning the turbine body. I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level.

This is a standard turbine vent. If yours aren t turning it s time to lubricate or replace entirely. Examine the turbine from the exterior from the roof. You may have to replace the turbine with an electric fan type of ventilator.

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. If they spin freely but just sit there when on your roof i d say they aren t level. When they re not installed level they don t turn. If the vent is rusted it may be sticking and not turning as it should and this can lead to water infiltration.

My attic turbines are not turning step 1. Just hot air rising out of one will make it spin. Not all turbines will fit all roof pitches. It doesn t take much wind to turn your turbine roof vents.

The maximum roof pitch is almost always printed on the box label. The turbines are adjustable so that the spinning part is level even though the roof is slanted.