Roof Turbines Not Turning

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.

Roof turbines not turning.

The faster the wind speed the faster the turbine rotates. Not all turbines will fit all roof pitches. You can usually adjust the level by turning the turbine body. When they re not installed level they don t turn.

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. Nothing is more bothersome in the middle of a. Just hot air rising out of one will make it spin. 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. Do i have a low pressure system. In the photo below the vent on the left wasn t level. If yours aren t turning it s time to lubricate or replace entirely.

I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level. A turbine may fail to spin if the bearings become rusty or. The hot air is exiting the roof through the louvers at each end of the roof as they were designed to do. The one thing i ll mention is that turbine vents need to be installed perfectly level.

Also barely using my finger of course they spin freely no noise etc. If they spin freely but just sit there when on your roof i d say they aren t level. Examine the turbine from the exterior from the roof. 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 the vents are blocked by insulation boxes or. Crooked turbine vent small. The new turbine needs hot air to flow out to turn the impellers.

You may have to replace the turbine with an electric fan type of ventilator. Finally be sure the ball bearings are permanently lubricated and sealed. My attic turbines are not turning step 1. The maximum roof pitch is almost always printed on the box label.

This is a standard turbine vent. Climb up into your attic and look at the vents from the inside.