6 Most Common Air Conditioner Problems

As summer approaches, it’s essential to be aware of any air conditioner problems that may arise. Air conditioning units are often complex machines, and any malfunction can lead to a hot and uncomfortable home. To ensure your unit is in good working order, we’ll discuss the most common air conditioner problems and give you tips on how to fix them!

1. Lack of Maintenance

One of the most common air conditioner problems is a lack of maintenance. When your air conditioner isn’t properly maintained, it can lead to several issues, including decreased efficiency, increased energy costs, and premature breakdowns.

To avoid these problems, it’s essential to have your air conditioner serviced by a qualified technician at least once a year. During this service appointment, the technician will clean the unit, check for any wear or tear, and make necessary repairs. This preventative maintenance will help to keep your air conditioner running smoothly and efficiently for years to come.

Air Conditioner Problems
Howard Air

2. Refrigerant Leaks

Refrigerant leaks are one of the most common air conditioner problems. If your air conditioner is leaking refrigerant, it means that there is a problem with your AC unit. A hole in the AC unit is the most common cause of a refrigerant leak. Other causes of a refrigerant leak include damaged seals or gaskets and pipes.

If you think that your air conditioner is leaking refrigerant, the first thing you should do is turn it off. Then, call a professional to come and take a look at your AC unit. A professional will surely tell you if there is a leak, and they will be able to fix the problem.

3. Compressor Issues

One of the most common air conditioner problems is a faulty compressor. The compressor is responsible for circulating the refrigerant throughout the AC system. If the compressor is not working correctly, the AC will not be able to cool your home effectively.

There are a few signs that you may have a compressor issue:

– Your AC unit is making strange noises;

– The AC unit is not cooling your home well as it used to;

– Your energy bills have increased suddenly.

If you suspect that you have a compressor issue, it’s essential to call in a professional for help. Trying to fix the problem yourself could do more harm than good.

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Florida Academy

4. Electrical Problems

If your air conditioner isn’t working correctly, there could be a problem with the electrical components. Check the circuit breaker to see if it has tripped, and if so, reset it. If that doesn’t work, check the fuse box to see if any fuses have blown. Or, if so, replace them with new ones. If neither of those solutions works, call an electrician to come to take a look.

5. Fan Problems

One of the most common problems with air conditioners is that the fan blades can become damaged or unbalanced. This can cause the fan to make noise, vibrate, and eventually break. If you notice that your air conditioner’s fan is making noise, vibrating, or working harder than usual, a professional must check it out.

Another common problem with air conditioners is that the coils can freeze up. This usually happens when the air conditioner is not getting enough airflow. When this happens, the air conditioner will not be able to cool your home correctly. If you think your air conditioner’s coils may be frozen, you should turn off the unit and call a professional for help.

Finally, another common problem with air conditioners is that they can develop leaks. These leaks can be caused by everything from loose parts to cracks in the unit itself. If you notice any leak coming from your air conditioner, it’s essential to have it fixed as soon as possible to avoid further damage.

Air Conditioner Problems
Husky Heating and Air Conditioning

6. Thermostat Issues

If your air conditioner isn’t working as efficiently as it used to, there’s a good chance that the thermostat is to blame. Adjusting the thermostat is often the first step in troubleshooting air conditioning issues.

If you have a central air conditioner, chances are you have a programmable thermostat. These devices can be very helpful in managing your energy usage and keeping your home comfortable. However, they can also be confusing to use. If you’re having trouble with your thermostat, here are a few tips to help you get it back on track:

1. Check the batteries. If your thermostat uses batteries, they may need to be replaced. Even if the display is lit up, old batteries can cause problems with the circuitry.

2. Make sure the settings are correct. A simple mistake like setting the wrong temperature can do your air conditioner work overtime (and run up your energy bill).

3. Clean the sensor. The sensor tells the thermostat whether or not the room is cool enough. If it’s dirty, it may not be functioning correctly. Gently clean the sensor with a cotton swab and some rubbing alcohol.

4. Calibrate the thermostat. If your thermostat has a “calibration” feature, use it according to your owner’s manual instructions. This will ensure that the device is reading temperatures accurately.

How to Prevent Common Air Conditioner Problems

The best way to avoid common air conditioner problems is to perform regular maintenance on your unit. At least once a year, preferably in the spring, you should clean your air conditioner’s coils and fins. You can do this yourself with a brush and some household cleaners or hire a professional to do it for you.

In addition to cleaning the coils and fins, you should also check and replace the air filter every month during the peak usage season. A dirty filter will restrict airflow and cause your AC unit to work harder than it needs to, leading to premature wear and tear.

Finally, keep an eye on the condensate drain line and clear it of any debris that may have accumulated. A clogged drain line can cause water damage or even flood in your home.

Following these simple maintenance tips can help prevent common air conditioner problems and keep your unit running smoothly for years to come.

AC Problems
Husky Heating and Air Conditioning

Read more: Home Decor Ideas That Will Transform Your Space


Air conditioner problems can be a real hassle and cause much discomfort to you and those around you. But the good news is that many air conditioning issues are relatively easy to fix if identified quickly. By closely monitoring your AC system and promptly addressing any potential problems, you can maximize its efficiency and prolong its lifespan.

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