Why My Central Air Conditioning Started Making Noise All of A Sudden

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Why My Central Air Conditioning Started Making Noise All of A Sudden

Today’s air conditioners are quieter than ever, they don’t create that buzzing noise that previous ACs used to and we want to make sure that it stays that way.

Latest air conditioning units provide high efficiency and they have been incorporated with noise dampening tech along with two stage compressors that keep the sound below 55 decibels. So, in case your cooling unit started making unexplained noises all of a sudden, never ignore them because not only they are unusual, they also indicate that something might be wrong with your air conditioner which will require quick attention.

AC loud noise should never be ignored. If you choose to just ignore these noises, those that can be minor issue can turn into huge expenses and you will regret it later. Things always turn out better when you get the minor tune ups repaired as soon as possible. And in worst case scenarios, some people even have to replace their whole units altogether. Scary, isn’t it? So, let’s discuss the causes of why your central air conditioner started making weird noises.

A Sound of Banging Over And Over Again

This usually means that there is something broken inside the unit and it could be a crankshaft, connecting rod or a piston pin. Most of these parts are always inside the air conditioning compressor. It could also indicate that maybe your indoor blower is imbalanced and is a cause of AC loud noise. There are several reasons why your unit started making a banging noise but all of them mean one thing, call a technician.

Clanking Inside the Air Conditioner

This is another sign of a loose object or broken one inside the air conditioner or it could mean that the parts inside the sealed unit may have failed. What you need to do is open your air conditioner and look what is malfunctioning. Sometimes the blades of indoor blower and outdoor fans also loosen up and hit each other. Call a technician and he can figure this out for you.

A Buzzing Noise

A buzzing loud AC noise from the outside of your unit could mean the following things.

  • There are several loose parts
  • There is debris present either in the outdoor or the indoor unit.
  • The fan motor of your outdoor unit is loose or about to fail.
  • Your fan blades are out of balance or loose
  • The coil of your condenser needs to be cleansed.
  • The air filter needs to be cleaned

 Defective Control Or Falling Of Thermostat Can Also Causes Clicking Noise

You hear the clicking of the system at the start and shut down of the unit. That is common but a constant noise of clicking could means that your thermostats are either falling or there has to be a defective control. Your unit contains several electrical parts and you must pay attention to any kind of malfunction.

So, these were a few sounds that you may hear with the mentioned reasons. Make sure to call your technician in time so you can be saved from a bigger hazard. Leave us with your feedback and we will be happy to get back at it.

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