Have you ever noticed how frequently your air conditioner freezes? You might be curious as to why this is the case.

Although it may seem paradoxical, freezing air conditioning units frequently occur during the summer. In this article, we will go into more detail about the causes of your air conditioner freezing.

Mechanical Issues and Leaks

Several moving elements in an AC unit might break, clog, or become trapped. Fans might cease working, air filters can clog, refrigerant lines can be moved and kink, and components of the air conditioner can leak.

Any of the instances mentioned earlier can decrease pressure, allowing the refrigerant to over-expand and ultimately become overly cold.

To maintain a consistent temperature across the whole AC unit, refrigerant is also crucial. The air conditioner may potentially freeze up if there is insufficient refrigerant.

Some of these problems may be less expensive and simpler to resolve, while others are more costly and impractical. For instance, any repair for a coolant leak will probably only be temporary. Therefore, spending money on a new air conditioner could be wiser.

A knowledgeable specialist is required to help with mechanical problems and leak fixes. Even if it is safe to use refrigerants in the house, it is recommended to leave their handling to specialists since they will know how to control them safely.

Contact an air conditioning company as soon as possible if you think leaks or a mechanical issue might be to blame for the air conditioner’s malfunction. A specialist will be able to evaluate the problem for you.

A Blockage in the Airflow

An air conditioner must have constant airflow to prevent humidity from condensing onto the coils and freezing.

You must ensure that the air filters are clean if you want the airflow in your home to remain strong enough to prevent a disruption in the operation of the air conditioner. After all, a blockage is only a matter of time with a filthy filter. This will limit the amount of airflow in your house.

Since replacing an air filter won’t save you much money, you should do it frequently.

Maintaining the cleanliness and functionality of your air conditioner is essential for preventing airflow and other problems in general. It would be best if you switched off your air conditioner to allow the AC unit to defrost.

Turn on the fan for an hour after around three hours. Use this opportunity to swap out the AC unit’s air filter. When you’ve finished, it ought to function correctly.

Cooler Summer Nights

AC units are calibrated to function within a predetermined range of ideal temperature thresholds.

The AC conditioner may go out of whack when summer evenings are cooler than the ideal threshold can tolerate.

A programmable thermostat is one of the best methods to do this. As a result, the AC unit will turn off if the temperature falls below 15 °C.

It is advised to monitor the current temperatures every evening if you don’t have a programmed thermometer so you can determine whether or not it will be cooler than 15 °C.


Although you may be able to find the solutions to your AC unit’s problems, we recommend that you contact professionals who can do air conditioner repair near you whenever possible. They will be able to find the problem, repair it, and provide you with a solution rather than leave you in the dark.

Do you need air conditioning repair in Lethbridge? 4 Seasons Home Comfort provides expert AC repairs and installation. Request a quote today!