Tips for fixing noisy air conditioners

air conditioner

There are many ways that a noisy central air conditioner can be fixed. However, if you have an old unit, then it is probably best for you to find an air conditioning repair service. The key to fixing a noisy air conditioner is finding out the cause.

Open the Unit

You will need to unscrew the top panel and take off the panel. The heavy fan motor is on the panel. It is a good idea to have someone hold the motor while you install the blanket.

Fixing the Noisy Air Conditioner

There are several things that you can do if the outside condenser is loud. The appropriate solution depends on what is causing your air conditioner to be noisy.


You can cut down on the noise by fencing the sides of your unit. However, before you do this, you will need to test to see if it really works. You will need to place a piece of plywood by the air conditioner. If you decide that building the fence is the best option, then it is best for you to keep it at least 3 ft. away from the unit. You will need to overlap fences in order to get the most sound reduction.

Not only should you consider fencing, but you may also want to take the following into consideration.

  • If you have an older air conditioner, then it is best for you to have it replaced. Newer air conditioners are quieter than the older ones. Not only are they less noisy, but they will also help you save money. They are more energy-efficient. You may be able to cut your energy bill in half. The only downside to this is the cost.
  • If you have a new condenser, then the noise is likely caused by the compressor. You will need to contact the manufacturer in order to find out what type of sound blanket you need. You can also use a universal sound blanket. All you have to do is search for a compressor sound blanket. Putting a blanket on an old air conditioner will not help at all. You will still hear the noise.


Before you do anything, you will need to turn off all of the power. You will need to turn off the thermostat. You will also need to turn off the breakers on the main panel. Additionally, you will need to pull out the fuse box. The fuse box is located on the outside disconnect box.

What Tools do You Need for the Project?

It is a good idea to make sure that you have all of your tools ready before you start any project. You will need an adjustable wrench and 4-in-1 screwdriver.

What Materials do You Need for Your Project?

You also need to make sure that you have your compressor sound blanket. Having everything ahead of time will make it easier for you to complete the project. You will also be able to avoid making unnecessary trips to the store.