Do i have a low pressure system.
Roof turbines not turning.
If yours aren t turning it s time to lubricate or replace entirely.
My attic turbines are not turning step 1.
Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in.
When they re not installed level they don t turn.
Nothing is more bothersome in the middle of a.
Finally be sure the ball bearings are permanently lubricated and sealed.
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.
If they spin freely but just sit there when on your roof i d say they aren t level.
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.
This is a standard turbine vent.
Not all turbines will fit all roof pitches.
There may also be something near or in the vent that is stopping it from turning.
It doesn t take much wind to turn your turbine roof vents.
You can usually adjust the level by turning the turbine body.
2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind.
Crooked turbine vent small.
Also barely using my finger of course they spin freely no noise etc.
I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level.
The new turbine needs hot air to flow out to turn the impellers.
The one thing i ll mention is that turbine vents need to be installed perfectly level.
If the vent is rusted it may be sticking and not turning as it should and this can lead to water infiltration.
Climb up into your attic and look at the vents from the inside.
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 may have to replace the turbine with an electric fan type of ventilator.
Examine the turbine from the exterior from the roof.
If the vents are blocked by insulation boxes or.
Do you see anything else that s wrong in the photo.
A turbine may fail to spin if the bearings become rusty or.