Aircon Noisy? Find out the Surprising Reasons

If you’ve ever been in a room with an air conditioner on, you know that they can be pretty noisy. But why is that? Is there something about the design of air conditioners that makes them inherently noisier than other appliances? Is that humming noise you hear normal? Or are there some things you can do to make your air conditioner quieter? While we can’t expect aircon to be totally quiet, especially older models, it is important to be able to determine whether that noisy aircon needs professional attention already.

In this blog post, we’ll explore some of the reasons for noisy aircon and offer some tips for making them quieter.

Noisy Air Conditioner Compressor

A noisy air conditioner compressor can cause a noisy air conditioner.

While many new air conditioners are designed to be as quiet as possible, some models are intentionally built noisy for other reasons. For example, if you’ve ever heard of an old-fashioned window air conditioner at work, you’ll know what I’m talking about. The rattling noise of the compressor motor is often deafening compared to the volume of cool air it puts out. This noisy design makes sense because even though people might complain about how noisy the air conditioner unit is, no one would buy one if they didn’t make that much noise! However, this isn’t always true for modern units.

One reason why air conditioner compressors are noisy is that they’re using a loud type of motor. Generally, the noisier and appliance sounds, the more power it’s trying to put out and the more energy efficient it will be (and vice versa). To do this without making them too expensive to manufacture, engineers use rotary motors because they require less space than other types of motors, although they do typically add some tolerable buzzing noise.

Outside AC Unit Making Loud Noise

One common reason your AC unit might be noisy is that the compressor is located outside of your home.

If you have an air conditioner with a compressor that’s located outside of your home, you’re likely to hear it more than someone who has one with the compressor inside. That’s because when the compressor is located outside, it’s exposed to a lot of sound and vibration from the environment. This can cause it to make more noise than if it were located indoors.

In addition, many homeowners find that their air conditioners are noisier when they’re running in cold weather than in hot weather. This is because the colder it gets, the harder the compressor has to work to produce cool air, and the noisier it will be as a result.

If your air conditioner is noisy, there are a few things you can do to try to quiet it down. First, you can try cleaning or replacing the air filter. If the filter is dirty or clogged, it can reduce the airflow and make the unit work harder, which will cause it to be noisier. You can also try turning off some of the fans in your home that might be adding noise to the air conditioner. Finally, if your compressor is located outside of your home, you can install insulation around it to help reduce the sound and vibration. We’ll talk about dealing with these air conditioner noises in the next few parts of this post.

Air Conditioner Sounds Like a Jet Engine

Now, this one certainly calls for some attention and could signal some alarming problems with your air conditioning system. If your air conditioner sounds like a jet engine, it might be time for a service call.

One of the most common reasons an air conditioner makes a loud noise is because it’s not working properly. If you’ve ruled out all of the other possible causes and your air conditioner is still noisy, it’s likely that there’s something wrong with the compressor beyond the normal air conditioner noises. When an air conditioner compressor isn’t working properly, it can cause the unit to make strange and excessive rattling noises. If this is the case, it’s best to call an aircon technician to come to take a look at it and fix the issue. Trying to fix the problem yourself could potentially damage the air conditioner even more and cost you more in the long run.

Aircon Noisy After Cleaning

If the air conditioner sounds noisier after you’ve just cleaned it, then there’s likely nothing wrong with it.

Sometimes homeowners find that their air conditioners are noisy after they clean them. This can be particularly frustrating if you recently had your unit serviced and expected it to be working properly again after having all of the dirt removed from it. While you might expect that cleaning out your unit would remove any excess dirt or debris, some particles could have become lodged inside the fan blades or motor housing (which is typically located outside). These tiny pieces of debris can cause vibrations in your system that will increase noise levels. Fortunately, this problem is easy to fix yourself by removing the fan blades and cleaning them with a damp cloth.

If you’ve recently had your air conditioning units and they produce squeaking noises, you might want to call in air conditioning experts to come to take a look at it and make sure that there isn’t a bigger issue causing the problem.

Outdoor Unit Making Vibrating Noise

Another common reason your air conditioner might be noisy is that the outdoor unit makes strange vibrations. If you’re hearing a vibrating noise coming from your outdoor unit, there are a few things you can do to try and fix the issue:

  • Check to make sure that nothing is obstructing the fan blades or the compressor. If there is, remove the obstruction.
  • Inspect the area around your outdoor unit for dirt, dust, or debris. Clean up any of these contaminants if you find them.
  • Try turning off any fans or appliances that might be adding extra noise to the environment.

If you’ve tried all of these things and your AC unit is still vibrating, it might be time to call in a professional for help. Aircon servicing by a professional will be able to diagnose the problem and fix it quickly and efficiently, so you can get back to enjoying a cool, quiet home.

How To Quiet A Noisy Air Conditioner

After learning about all these reasons – good or bad why your air conditioner is noisy, is there a way to keep it as quiet as possible? Although there are now several new models that promise a quiet operation, you will find that with consistent and frequent use, you will still end up with a bit of noise in your AC.

Of course, there are some solutions to this problem. First, you have to do some research on which unit is the quietest air conditioner or brand – similar to your current one – in the market these days, so finding an AC that can be installed in your home without being too loud should not be a difficult task.

Second of all, you must have an experienced technician who can install your new unit correctly and safely into ceiling or window mount setups while making sure it will stay silent even if running at its maximum capacity. An expert knows how to screw down everything tight enough to keep vibrations minimal what kind of insulating foam tape they need to attach around the compressor part. Lastly, regular aircon servicing for basin maintenance and cleaning will already go a long way.

Check out this video for more.

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