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 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. Some air conditioning systems have dampers to change the amount of airflow reaching different parts of your home. 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 cause could be twigs or leaves that have clogged your system. Another possibility could be a issue with the dampers. Something may have fallen or climbed into it. Another warning of this possibility is if you notice a decline in the cooling output.

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 you only hear the noise when your unit turns on the compressor motor is a likely culprit. Unscrew and lift off the top panel. There is more than one possible cause for a noisy air conditioner.

But if your air conditioner sounds like it s screaming turn it off right away. Electrical connections between parts. What is the source of the noise. 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 electrical contractor in the equipment can also make a chattering sound which can damage other components including the compressor if allowed to continue. 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. The moving parts of an a c unit is what makes them noisy mainly the compressor and the condensing fan motor.

If this is your problem remove any debris from the unit and check the fan blades for dents or dings. Unfortunately it s rare that a tech can repair your compressor in the field. There s a rattling or buzzing noise coming from the condenser unit when the fan is turned on. There are many reasons why your ac could be making noise some easier to fix than others.

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. A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening.