There is more than one possible cause for a noisy air conditioner.
Noisy window air conditioner a c fan bearing.
Indeed how to quiet a noisy window air conditioner often involves a good and deep cleaning of the unit both inside and out.
The fan blades inside your window air conditioner for example can become bent if they strike an object that falls inside the unit.
Check both fan blades to ensure that they are not rubbing again st the housing.
If not straighten them until they are properly aligned.
Window air conditioners make a variety of sounds that may indicate potential problems or issues that need to be addressed.
Ac airconditioner fix how to fix a loud noisy window air conditioner.
Clean and vacuum inside the window air conditioner assure that none of the fan blades louvers vents or air channels are caked with dirt and grime.
If the bearings are worn replace the fan motor.
In a properly working air conditioner the motorized fan will pull air through the filter and over the cold evaporator coils and then re circulate the cooled air back into the room.
When fixing noisy window air conditioners be sure to oil fan bearings fans with dry bearings can squeal start up too slowly run hotter than need be and can overheat and burn out.
Check to see if the blades are straight.
A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening.
The electrical contractor in the equipment can also make a chattering sound which can damage other components including the compressor if allowed to continue.
If your window air conditioner is making an unusual noise the problem could be with the fan.
Another cause could be twigs or leaves that have clogged your system.
These deposits can make louder air flow noise through them.
Thus routinely oiling with a long tubed applicator helps them spin with less noise.
The best way to quiet a noisy window air conditioner is through regular maintenance ensuring the unit is properly secured and any loose parts are tightened.
If the blades aren t rubbing against the housing and the fan motor is still noisy check the fan motor bearings for wear.
This can be done by hand or by using a strong pair of pliers if necessary.
Oiling can also extend their lives too.