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Why Is My Air Conditioner Freezing Up? 

July 16, 2021

Why Is My Air Conditioner Freezing Up? 

One of the most common problems that people have with their central air conditioners is that they freeze up. This problem can be avoided, and should not happen to any household provided if you follow a few simple steps.

First, make sure your thermostat is set correctly on your unit. You want it to be in the "cool" position, but not too low or too high for your specific needs. The ideal temperature range is between 20-24 degrees Celsius.

Secondly, make sure there are no leaks or gaps around the outdoor unit - these can cause water to get inside and freeze up the system. Finally, as a general rule of thumb, keep your home at least a few degrees cooler than your thermostat setting. This will help prevent the system from working too hard and potentially freezing up sooner. 

Third, if you live in a colder climate or have an older air conditioner that is less efficient, it may be best to turn off the unit during extreme cold spells. You should wait until the weather begins to heat back up.

Last but not least, get regular maintenance on your unit by a professional technician from A-Plus Quality, HVAC services in the Greater Toronto Area, who can check for leaks and make sure all other components are running smoothly. If everything checks out and there's still some concern about why your central AC keeps freezing over, consider upgrading to a more up-to-date air conditioner. You should be on the search for equipment with high-efficiency ratings. Contact our team at A-Plus Quality to discuss installing a new air conditioner in the Greater Toronto Area, or surrounding cities! 

By following these few tips, you can keep your central air conditioner from freezing up and save time and money on potentially costly repairs. 

Are you having trouble or would still like more assistance on this subject? Give us a call and one of our team members at A-Plus Quality, HVAC services in the Greater Toronto Area, would be glad to provide further guidance. Contact us today!

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Client Testimonials

  • Called about getting a cleaning for my furnace and AC in the morning. Booked a time within the hour and they were at my house within the next day. Very reasonable in pricing comparative to other companies. They provided exceptional work and very happy with how thorough they were. Honestly would 100% recommend and loved your service and will definitely use again for any further needs.

    Natalie Verschoor
    2 weeks ago
  • An outstanding in every way service provider. Professional, effective, accurate, considerate. Treats your equipment as if it is their own, recommends cost effective, but technically efficient alternatives. LISTENS to the client. All technicians extremely polite, positive, friendly and clean. I have been enjoying this remarkable service for at least 5 years now and have nothing but compliments to offer. Hope, they will remain in business for the years to come! RECOMMEND !

    Dmitri Kanovich
    2 months ago
  • A Plus Quality responded quickly to my call re. AC not working, promptly diagnosed the problem and arranged for the fix. I’ve used them in the past and have confidence in their expert and professional service, both technical and front office. I especially appreciate their willingness and skill in servicing small, older downtown homes.

    Jenny Lam
    a month ago
  • On July 8, 2021, A Plus Quality Inc installed a boiler in my house. The company did a great job. The manager, Shak, came to give me a very detailed estimate. He also followed up every steps. He had a good team to come to do the installation. After installation, they check and explaining to me everything before leaving. I am really impressed. Besides, the office manager, Sandi, was very helpful too. I would like to recommend A Plus Quality Inc to my friends.

    stephen liu
    2 months ago

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FAQ

  • Most common Boiler Issues

    - Boiler fails to ignite
    - Low pressure
    - Strange Noises
    - Boiler is not responding to the thermostat
    - Cold Radiators
    - Boiler leaking or dripping
    - Boiler cycling very fast
    - Available Hot water but No Heat

  • Why should I maintain my Furnace or AC?

    An annual maintenance will extend the lifetime of your heating and cooling unit. The technician will diagnose and repair any problem with the unit before it fails, so you won't need to worry about any problems when the weather gets very hot in the summer or extremely cold in the winter.

  • How do I know what size unit I need?
    If you have any problems with your system, you should contact the contractor who installed the units. All our systems are covered by a 5 year parts, 7 year compressor limited warranty
     
  • What is a mini-split?

    By definition, and simply put, a “Split System” is a heating and air conditioning system which has two main components, the indoor unit and outdoor unit. In short, the indoor unit absorbs heat energy in the cooling mode, and the outdoor unit rejects the very heat absorbed by the indoor unit. And the cycle is repeated until the set temperature is met. Although the indoor and outdoor units are located in physically different, hence “split” locations, they are connected and operate as, one system; continuously circulating refrigerant liquid and vapor by means of interconnecting, dehydrated copper refrigerant lines, commonly referred to as a “Line Set”.

  • Why is there ice building up on the copper pipes?

    There can be many reasons why the refrigerant pipes are freezing up but the most common issue is low refrigerant levels. If your AC unit has ice buildup turn off the unit for at least 4 hours and call us at 416-410-0337

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