Noisy Window Air Conditioner Fan

If your window air conditioner has been operating at a steady noise level but suddenly starts making a loud noise it s possible a foreign object has fallen into it.

Noisy window air conditioner fan.

If this is your problem remove any debris from the unit and check the fan blades for dents or dings. How to reduce air conditioner noise depends partially on the model and how it is mounted in the window. 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. In most window air conditioners there are two fan blades attached to the fan motor.

When quieting down noisy window air conditioners you need an applicator that reaches all places inside the unit. How to replace fan motor bearings in a window air conditioner for 5 dollars. Use a pair of pliers to remedy this situation. 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.

Unscrew and lift off the top panel. If it is not the air conditioner rattling noise the noisy air conditioner blower it could be the window air conditioner compressor noise. However it mostly depends on the type of noise the unit is making. Thus routinely oiling with a long tubed applicator helps them spin with less noise.

One of the fan blades is used to draw air through the evaporator coil and to re circulate the cooled air into the room. Once a fan blade becomes bent it will continue to make noise until it has been straightened out. 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. These can be irritating and unsettling.

If your window air conditioner is making an unusual noise the problem could be that one of the fan blades is loose. You can open your window unit to lubricate the fan motor. Used to fill in spaces where metal vibrating against other metal can be a big noise source. This is quite common in these types of air conditioners because the outer part of the unit hangs outside your window making it easy for small animals or flying debris to enter your air conditioner.

Lack of lubrication the fan motor of a window air conditioner can begin to emit a loud continuous noise if it s not properly lubricated. 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.