Attic Fan Vibration

Crappy fan or improper mounting.

Attic fan vibration.

Attic fans also have small ball bearings that help lubricate the fan s movement. Most attic fans have an in built thermostat that moderates their usage by turning them on and off depending on the temperature in the attic. This can cause the fan to start making constant noise and in some cases even a loud squealing sound. I have a ventilation fan installed in my attic at one gable vent.

Remove the current worn out bearings and replace them. You need to secure the screws in place more tightly by rotating the screwdriver clockwise. A newly installed attic fan vibrates. The purpose of an attic fan is to lower the temperature in the attic by blowing out hot air.

It is screwed into a plywood frame which is attached to the. I m new to the forum and i m hoping to get some help. Due to regular wear and tear these bearings can become worn out or lose their lubrication ability. If this does not stop the noise then slide a washer over the screw so it will be positioned between the screw and the fan.

A gable attic fan is attached to the attic wall by screws and if they are loose the vibration can cause an awful noise. The vibration is most likely the result of a wobble in the fan that could be caused by some loose screws or a fan blade out of balance.