Furnace Blower Wheel Noise

Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing.

Furnace blower wheel noise. Loud clanking or scraping classified as a metal against metal sound signals a serious problem with the furnace s blower wheel. Having one of our techs tighten the blower wheel can often resolve this problem. If you hear this noise turn off your furnace immediately to prevent any further damage to the furnace. When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears.

How to reduce heating cabinet noise. A broken blower wheel will vibrate in its housing resulting in squealing scratching and banging sounds. The blower wheel can be making the scraping noise for different reasons. Shut your furnace off if you have a compromised mount.

A few blower wheel problems include. If the set screw is loose the blower wheel will wobble on the motor shaft and the wheel will be noisy as it turns. The blower cabinet in most older furnaces is essentially a hollow tin box with a motor and fan hanging from the top. Here are some of the reasons your furnace could be making a funny noise.

Blower wheel is loose from the motor wheel. My furnace which is 13 years old has 3 8 acoustic soundproofing inside the blower cabinet with a cut out for incoming air. Sometimes a broken blower wheel can also be the source of this distinct noise. Moreover the motor mount.

Get a professional to tighten the wheel. The blower wheel blows air out of the furnace and through the house. The blower wheel is broken and. The cause of this noise is usually a problem the furnace s squirrel cage blower wheel.

Check the set screw to ensure that it is properly tightened. If you hear this sound turn off your furnace immediately. The blower wheel is attached to the blower motor shaft with a set screw.