Hvac Blower Fan Making Noise

This can signal a bad fan belt in the blower.

Hvac blower fan making noise.

The sound also might mean that the motor needs lubricant which you may or may not be able to do yourself depending on the furnace make and model. Strange noises coming from your hvac system are never a good sign. It does take a special type of lubricant though not an ordinary household type. This is called flanking noise sounds traveling through the system that will reach into each.

The only true moving parts in your furnace are the blower fan and motor. Quiet a loud blower motor. There could be several explanations for the noise and even. Eventually things wear or get loose and will begin making noise that is carried into your living spaces.

If it s conditioning not cooling this could be why. If your furnace blower motor is making noise try not to panic. Blower and fan noises such as squeaks squeals and rattles may be transmitted through the duct system. Outdoor fan motors and indoor blower motors squeal loudly when they re going bad.

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. 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. An unusual sound can cause home owners to worry leaving them wondering if there is something majorly wrong with their equipment. The blower fan is responsible for pulling warm air from your home to be cooled then pushing that cold air back into your home.