There are a few things that might cause an air conditioner to make a rattling noise. It could be that the there is dirt and debris in the cabinet. If this is the case, cleaning the cabinet should stop the rattling. The reason could also be loose panels on the cabinets. The fan could also be bent and no longer straight.
start by checking a/c compressor.
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.
Depends on the noise. If it's a high screaching type of sounds the a/c belt is probably worn or dryed out so replace it. If it's a rattling sound it's probably a bearing that has gone bad.
Possible reasons for an air conditioner to make a loud noise include a malfunctioning fan motor, loose or damaged parts, clogged air filters, or issues with the compressor.
If it's a creaking noise then it is most likely that your compressor is broken.
A whooshing noise from your air conditioner could be caused by a clogged air filter, a problem with the fan blades, or issues with the ductwork. It is important to have a professional inspect and repair the unit to prevent further damage.
could be a bad bearing on the air conditioner clutch assembly.
When an air conditioner makes a loud noise when turning off, it could be due to the sudden release of built-up pressure in the system. This can cause components to vibrate or move, creating the noise. Regular maintenance and checking for loose parts can help reduce the noise.
"is making a funny noise"
Your air conditioner may be making a loud squealing noise because the AC compressor, which helps cool the air, could be malfunctioning. This could be causing the noise you are hearing.
Your furnace may be making a rattling noise due to loose components, a clogged air filter, or a problem with the blower motor. It is important to have a professional inspect and repair the furnace to prevent further damage.