Attic Fan Vibrates

You need to secure the screws in place more tightly by rotating the screwdriver clockwise.

Attic fan vibrates.

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 lateral deflection is minimal think back massager not a ceiling fan with one blade. 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. Remove the current worn out bearings and replace them.

Tighten any loose screws. Clean all the fan. Crappy fan or improper mounting. I have a ventilation fan installed in my attic at one gable vent.

Climb a ladder and check the screws that hold the fan blades to the blade holders and the ones that hold the blade holders to the fan motor s flywheel. It is screwed into a plywood frame which is attached to the. 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. This can cause the fan to start making constant noise and in some cases even a loud squealing sound.

A newly installed attic fan vibrates. 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. It s the standard home depot type fan for reducing excess heat in the attic and it works on a thermostat which i have set at 100.