Why Do Air Conditioners Freeze During the Summer?

With Spring just around the corner in Southwest Florida you will probably start using your air conditioner again sooner than later. This means you might start running into common problems and wondering what to do. One of the most common air conditioning issues is when the unit freezes up during the summer. So that you can understand and possibly prevent your AC from freezing up this summer we’ll explain why this happens and what can be done to fix and/or prevent it.

Low Outdoor Temperatures

Air conditioners do not typically run well when temperatures drop to near 60 degrees and below. So while it may be hot outside during the day, while the seasons are still changing it might be getting too much cool air at night. This can cause the internal temperature of your system to get so cold ice forms on the coils. If you are noticing ice on the coils in the morning try shutting off the unit at night before going to sleep as this could very well resolve the issue.

Dirty Air Filter

Dirty or clogged air filters are one of the most common reasons your system will freeze. If there is enough dirt blocking the cold air from coming out of the unit the inside will get cold enough to freeze up. Depending on what type of filter you use make sure you are cleaning or replacing it everyone to three months. If you have a reusable filter wash it thoroughly with water and let it air dry completely before placing it back in. Do not run the air without the filter in as this can lead to other problems. If you use disposable filters you can often buy these at hardware stores and the hardware section of department stores. Replace the filter and if it stops freezing you have fixed the problem.

Low Refrigerant

Refrigerant is important because it moves heat outside of your house. There is a cycle your air conditioner goes through where the refrigerant changes from liquid to gas and back to liquid. If your AC is running properly, no refrigerant is lost during this cycle. So if you’ve crossed the other reasons the unit could freeze off your list you most likely have a leak and you are losing refrigerant. The only way to fix this is to call an HVAC professional.
If you experience problems with your AC freezing up, try running through the things we have discussed and see if the first two resolve the issue. If you feel you have a leak or want further information about why your system is freezing call 7th Generation Air Conditioning and Heating today at 941-961-1684.

Source
http://www.serviceexperts.com/blog/why-your-city-homes-ac-freezes-up-in-summer-
http://www.horizonservicesinc.com/reference/tips-articles/frozen-air-conditione
http://e-airllc.com/why-is-my-air-conditioner-freezing-in-the-summe

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