Noisy Air Conditioner Compressor Fan

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.

Noisy air conditioner compressor fan.

If you only hear the noise when your unit turns on the compressor motor is a likely culprit. There are many reasons why your ac could be making noise some easier to fix than others. Something may have fallen or climbed into it. A fan blade or two may have broken.

There s a rattling or buzzing noise coming from the condenser unit when the fan is turned on. The compressor may be loose. Electrical connections between parts. 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.

Unfortunately it s rare that a tech can repair your compressor in the field. 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. If this is your problem remove any debris from the unit and check the fan blades for dents or dings. 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.

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. 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. The problem of a noisy air conditioner condenser can be solved in several possible ways but if the unit is too old it may just need to be replaced.

Another possibility could be a issue with the dampers. But if your air conditioner sounds like it s screaming turn it off right away. The heavy fan motor is mounted on the panel so have a helper hold it while you install the air conditioner sound. Electrical connections that are old or coming loose can cause electrical arcing which creates a buzzing humming noise.

Some air conditioning systems have dampers to change the amount of airflow reaching different parts of your home. The moving parts of an a c unit is what makes them noisy mainly the compressor and the condensing fan motor. A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening. What is the source of the noise.

If your outdoor fan isn t turning when the inside blower is working you ll hear a buzzing noise in your condenser. Another warning of this possibility is if you notice a decline in the cooling output.