If yours aren t turning it s time to lubricate or replace entirely.
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.
Nothing is more bothersome in the middle of a.
This is a standard turbine vent.
Do you see anything else that s wrong in the photo.
Crooked turbine vent small.
You can usually adjust the level by turning the turbine body.
If the vents are blocked by insulation boxes or.
The one thing i ll mention is that turbine vents need to be installed perfectly level.
The faster the wind speed the faster the turbine rotates.
Also barely using my finger of course they spin freely no noise etc.
The hot air is exiting the roof through the louvers at each end of the roof as they were designed to do.
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.
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.
It doesn t take much wind to turn your turbine roof vents.
The new turbine needs hot air to flow out to turn the impellers.
The maximum roof pitch is almost always printed on the box label.
In the photo below the vent on the left wasn t level.
Examine the turbine from the exterior from the roof.
I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level.
Just hot air rising out of one will make it spin.
Not all turbines will fit all roof pitches.
Climb up into your attic and look at the vents from the inside.
Finally be sure the ball bearings are permanently lubricated and sealed.
My attic turbines are not turning step 1.
If they spin freely but just sit there when on your roof i d say they aren t level.
2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind.
Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in.
There may also be something near or in the vent that is stopping it from turning.
Do i have a low pressure system.