A bad compressor belt can cause a whistling noise while running the air conditioner. A bad engine can also cause this noise.
central airconditioner makes a clicking noise when running? any idea what to check?
Bad belt. Worn tensioner. Bad compressor.
After putting up with the same noise for about a week I researched online and found a suggestion that worked! Change the filters! That's it! That's all it was!
bearing
"is making a funny noise"
radiator fans running to cool engine...
could be a bad bearing on the air conditioner clutch assembly.
because that air conditioner is full of air. It is letting the air out.
Your central air conditioner may make a loud noise when it comes on. This is because it may have a leak somewhere in the system.
Your window air conditioner may be making noise due to issues such as loose parts, a dirty fan or compressor, or a malfunctioning motor. Regular maintenance and cleaning can help reduce noise levels.
line conditioner