Hvac Blower Fan Making Noise

It does take a special type of lubricant though not an ordinary household type.

Hvac blower fan making noise. However over time the bearings in the fan motor can give out usually making a screeching sound or the fan belt can wear out causing a squealing noise. The only true moving parts in your furnace are the blower fan and motor. The blower fan is responsible for pulling warm air from your home to be cooled then pushing that cold air back into your home. Eventually things wear or get loose and will begin making noise that is carried into your living spaces.

But they run a lot and move thousands of cubic feet of air every year. If it s conditioning not cooling this could be why. Blower and fan noises such as squeaks squeals and rattles may be transmitted through the duct system. If your interior ac heat fan blower motor is making noise like a card in a bicycle spoke then you probably just need to clean.

Outdoor fan motors and indoor blower motors squeal loudly when they re going bad. This is called flanking noise sounds traveling through the system that will reach into each. If it is that belt should be replaced. Quiet a loud blower motor.

If your furnace blower motor is making noise try not to panic. Strange noises coming from your hvac system are never a good sign. There could be several explanations for the noise and even. This can signal a bad fan belt in the blower.