Before inspecting individual parts of your attic fan and fixing anything make.
Roof fan making noise.
If the fan doesn t move freely there s something causing friction and it s probably the motor bearings.
A grinding noise may be from a faulty motor.
Be as gentle as possible when cleaning the blades since exerting some pressure on them may make them imbalanced.
7 essential tips 1.
Steps of deducting attic fan humming noise step 1.
The attic fan tends to makes a humming noise when it has a few blades and is running at a high speed setting.
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.
As far as the cause of the noise it sounds like a bad bearing.
Use a microfiber towel to clean the dust then use an all purpose cleaner to wipe the blades.
How to quiet a noisy attic fan.
Balance the blades if the fan makes a constant metal clanking noise in all probability the fan blades are imbalanced.
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.
Prepare for the troubleshooting first thing first you have to prepare to get into the inner portion of the.
Check for imbalanced or bent blades.
Roof noises may be described as those attributed to an obvious source.
Here s how you address a noisy fan canopy.
A buzzing noise can be from an electrical issue.
Using a step stool or ladder check the fan canopy by trying to wiggle it with your hand.
If there s any movement it may need to be tightened.
Detach the fan from the power source.
Replace the bearings attic fans also have small ball bearings that help lubricate the fan s movement.
Check for bent.
If the fan blades are imbalanced or bent they can hit against one another or.
For example a rattling sound may mean loose parts.
Make a pre assumption of the noise source at this stage you should have done some pre assumption on the.
The fan canopy can also cause noise during operation.
It s located at the very top of your fan against the ceiling.
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.
The dust may be the cause of the clicking noise being produced by your fan and cleaning it may help reduce the noise.
