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.

Hvac blower fan making noise. Quiet a loud blower motor. It does take a special type of lubricant though not an ordinary household type. There could be several explanations for the noise and even. This is called flanking noise sounds traveling through the system that will reach into each.

If it is that belt should be replaced. The blower fan is responsible for pulling warm air from your home to be cooled then pushing that cold air back into your home. Blower and fan noises such as squeaks squeals and rattles may be transmitted through the duct system. If your furnace blower motor is making noise try not to panic.

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. Outdoor fan motors and indoor blower motors squeal loudly when they re going bad. This can signal a bad fan belt in the blower.

Strange noises coming from your hvac system are never a good sign. 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. If it s conditioning not cooling this could be why. An unusual sound can cause home owners to worry leaving them wondering if there is something majorly wrong with their equipment.