How to reduce heating cabinet noise.
Furnace blower wheel noise.
Moreover the motor mount.
The blower wheel blows air out of the furnace and through the house.
A few blower wheel problems include.
Check the set screw to ensure that it is properly tightened.
My furnace which is 13 years old has 3 8 acoustic soundproofing inside the blower cabinet with a cut out for incoming air.
Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing.
Blower wheel is loose from the motor wheel.
Having one of our techs tighten the blower wheel can often resolve this problem.
The wheel may have become loose and is making the noise by hitting the blower casing.
The blower wheel is attached to the blower motor shaft with a set screw.
Here are some of the reasons your furnace could be making a funny noise.
The cause of this noise is usually a problem the furnace s squirrel cage blower wheel.
If you hear this noise turn off your furnace immediately to prevent any further damage to the furnace.
Sometimes a broken blower wheel can also be the source of this distinct noise.
If you hear this sound turn off your furnace immediately.
The blower cabinet in most older furnaces is essentially a hollow tin box with a motor and fan hanging from the top.
Shut your furnace off if you have a compromised mount.
A broken motor mount causes the blower wheel to drop and rattle against the housing.
If the set screw is loose the blower wheel will wobble on the motor shaft and the wheel will be noisy as it turns.
Loud clanking or scraping classified as a metal against metal sound signals a serious problem with the furnace s blower wheel.
When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears.
The blower wheel can be making the scraping noise for different reasons.
Thumping and vibrating sounds are the results of an unbalanced blower wheel.