Why Is My Air Conditioning Freezing?

June 13, 2022 12:00 am Published by Leave your thoughts

In many parts of the country, making it through the summer is an almost impossible task without an air conditioner. You need that air conditioner working so you can comfortably relax.

Unfortunately, your air conditioner may not always cooperate. An air conditioner freezing over is a fairly common problem.

In this article, we’ll highlight why your air conditioner may have frozen over. We’ll also discuss if the issue you’re dealing with is something you can handle yourself or if you will need professional air conditioner repair.

Clogged Air Filters

Air filters prevent unwanted debris from entering your home via the air conditioner. They are important components of the appliance, but they often end up neglected.

Clogged air filters can hamper the movement of air through your AC unit. Eventually, the poor airflow could lead to ice forming inside the air conditioner.

You have to clean or replace the filters regularly if you want to keep your air conditioner working smoothly. HVAC experts generally recommend cleaning the air filters after every three months or so. The professionals can work on those filters whenever you get your air conditioner cleaned.

Dusty Evaporator Coil

The evaporator coil is another component of your AC unit that directly affects airflow. Just like the air filters, the evaporator coil can end up covered in dust if it is not cleaned regularly.

Once the evaporator coil gets dusty, it can actively prevent the proper movement of air through the unit. As we mentioned earlier, inadequate airflow can lead to the formation of ice.

You need to get your unit’s evaporator coil cleaned by a professional to ensure it won’t sustain any damage.

Busted Blower Fan

The blower fan inside your AC unit is responsible for moving air throughout the appliance. It consistently blows warm air onto the evaporator coil so that part of the system doesn’t freeze over.

If the blower fan breaks, that will prevent warm air from reaching the evaporator coil. Don’t be surprised if the coil freezes not long after the blower fan malfunctions.

Since the blower fan will likely have to be replaced, you should leave this job to an HVAC expert.

Refrigerant Leaks

You need refrigerant running through your AC unit if you want to experience comfortable cooling. If refrigerant levels fall due to a leak, then your AC unit will likely freeze over.

Refrigerant might leak out of your system if the pipes tasked with carrying them sustain damage. Those pipes may end up damaged due to wear and tear or the accumulation of acid.

Taking action right away is a must if you believe you have a refrigerant leak. That chemical is hazardous, and you don’t want it anywhere near your kids or pets.

Contact a professional immediately if you suspect refrigerant is leaking from your air conditioner. If the leak is caught early enough, it may still be repaired.

The issues known to cause air conditioner freezing can be quite varied. Identify the specific issue affecting your unit so you can address it properly. You can also call in the professionals so they can handle the issue plaguing your air conditioner.

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