How to quiet a noisy attic fan.
Roof fan making noise.
If the fan blades are imbalanced or bent they can hit against one another or.
Using a step stool or ladder check the fan canopy by trying to wiggle it with your hand.
For example a rattling sound may mean loose parts.
The way to check is to disconnect power to the unit and try to move the fan blades by hand.
4 ways to quiet a noisy attic ceiling fan 1.
Be as gentle as possible when cleaning the blades since exerting some pressure on them may make them imbalanced.
A grinding noise may be from a faulty motor.
If the fan doesn t move freely there s something causing friction and it s probably the motor bearings.
The fan canopy can also cause noise during operation.
It s located at the very top of your fan against the ceiling.
Replace the bearings attic fans also have small ball bearings that help lubricate the fan s movement.
The dust may be the cause of the clicking noise being produced by your fan and cleaning it may help reduce the noise.
Steps of deducting attic fan humming noise step 1.
7 essential tips 1.
Check for imbalanced or bent blades.
4 buzzing loose parts debris in either the indoor or outdoor unit outdoor fan motor is loose or about to fail fan blades are loose or out of balance the copper lines from outside to inside are rubbing against something the condenser coil needs to be cleaned the air filter needs to be changed the.
In order to get rid of the hum you need to either operate the fan at a low speed or replace the fan with a new one that has more blades.
Roof noises may be described as those attributed to an obvious source.
Balance the blades if the fan makes a constant metal clanking noise in all probability the fan blades are imbalanced.
Your ceiling fan may be creating a rattling sound grinding noise buzzing noise rubbing noise clicking noise humming noise or squeaking noise.
The attic fan tends to makes a humming noise when it has a few blades and is running at a high speed setting.
Detach the fan from the power source.
Prepare for the troubleshooting first thing first you have to prepare to get into the inner portion of the.
The patter or even the roar of falling rain or hail popping and cracking noises perhaps due to thermal expansion and contraction of roof coverings metal roofing or roof structure and transmitted noises from other external sources such as low flying aircraft or nearby trains or auto truck traffic from a nearby highway.
Use a microfiber towel to clean the dust then use an all purpose cleaner to wipe the blades.
If there s any movement it may need to be tightened.
As far as the cause of the noise it sounds like a bad bearing.
Check for bent.
A buzzing noise can be from an electrical issue.
