Noisy Air Conditioner Compressor Fan

There s a rattling or buzzing noise coming from the condenser unit when the fan is turned on.

Noisy air conditioner compressor fan.

Some air conditioning systems have dampers to change the amount of airflow reaching different parts of your home. To examine your noisy air conditioner remove the outside casing to reveal the inner part of your ac unit you will notice the fan located just in front of the coils. The heavy fan motor is mounted on the panel so have a helper hold it while you install the air conditioner sound. What is the source of the noise.

If you only hear the noise when your unit turns on the compressor motor is a likely culprit. Before racing out to buy a new air conditioner lets look at somethings a home owner can do to quiet down a noisy a c unit. Another possibility could be a issue with the dampers. A fan blade or two may have broken.

The moving parts of an a c unit is what makes them noisy mainly the compressor and the condensing fan motor. Unfortunately it s rare that a tech can repair your compressor in the field. There are many reasons why your ac could be making noise some easier to fix than others. An air conditioner compressor due to normal wear and tear parts inside the compressor can become loose and create a loud banging sound as they rattle around inside the compressor s outer casing.

But if your air conditioner sounds like it s screaming turn it off right away. Electrical connections between parts. Unscrew and lift off the top panel. If you hear a loud rattling noise it could be a minor issue like loose stones or debris that s caught in the condensing unit.

Something may have fallen or climbed into it. If this is your problem remove any debris from the unit and check the fan blades for dents or dings. Manufacturers also address compressor noise through innovative mounting materials that reduce the impact and noise of the unit as it moves under the force of the running compressor and condenser. Another warning of this possibility is if you notice a decline in the cooling output.

The compressor may be loose. A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening. There is more than one possible cause for a noisy air conditioner. If your outdoor fan isn t turning when the inside blower is working you ll hear a buzzing noise in your condenser.

An air conditioner s fans also generate a lot of noise especially when a standard unit runs at 100 percent capacity. The electrical contractor in the equipment can also make a chattering sound which can damage other components including the compressor if allowed to continue.