Why Does My Air Conditioner Turn Off by Itself?

Honestly, there are few air conditioning problems as downright infuriating as an air conditioner that turns on and off over and over again. Everyone wants a consistent, reliable source of cool air, particularly during those smoking-hot summer months. If you’re wrangling with a particularly disobedient air conditioner, you’re going to want to read this article.

World Class Services, the best ac repair experts in Westerville, OH, are here to answer the question, “Why does my air conditioner turn off by itself?” You’ll learn about some of the most common reasons why air conditioners short-cycle, as well as some common side effects of short-cycling.

1. Clogged Air Filters

Air filters keep an air conditioner’s air output clean and free of particulates. However, over time, these crucial features become clogged and full of muck, causing strain on your air conditioner as it struggles to compensate. Sometimes, air conditioners with bad air filters overheat and shut down.

You can change your air filters at home; experts recommend doing this type of air conditioning maintenance at least twice a month. However, sometimes this step isn’t enough to lower your energy bills and save your air conditioner from the brink. In these unfortunate situations, it’s probably best to call your local professional technicians for help.

2. Evaporator Coil Issues

When trying to answer, “Why does my air conditioner turn off by itself?” many people forget to consider their evaporator coils.

Evaporator coils remove heat from your home’s air supply, turning it into much cooler, more comfortable air. So, when these coils start having issues, you know that your air conditioner will be struggling, too. 

As weird as it might seem, ice sometimes forms on faulty coils, as the unit can’t effectively regulate its cooling cycle. Under these circumstances, it’s very common for air conditioners to give out entirely, leading to premature shutdowns.

3. Refrigerant Leaks

Refrigerants like Freon need dependable, sturdy copper lines to travel throughout your home’s air conditioner. When these lines rupture or break, refrigerant can escape, causing overheating and electrical problems. Even worse, constant refrigerant exposure can cause health issues.

If you see any strange, blue liquid near your air conditioner or if you smell a peculiar, sweet odor, you’ll want to get professional help. Your local air conditioner experts can find and fix the source of the leak in no time.

4. Oversized Unit

Many people assume that larger air conditioners are automatically better. While large air conditioners can be great for large rooms, a unit that’s too big for a room can cause a world of hurt.

Oversized air conditioners cause your home’s utility bills to spike, increase humidity levels, and cause cold spots to form throughout your home. They often overwork themselves, leading to failed electrical connections and overheating.

5. Compressor Trouble

Compressors are the unsung hero of any air conditioning unit. They handle your unit’s refrigerant supply, directing it toward the condenser, which in turn keeps the air cooling cycle going smoothly. However, compressors can wear down over time, especially after frequent usage. 

HVAC professionals can diagnose any compressor issues and replace your unit’s compressor if needed.

6. Poor Thermostat Placement 

You ought to place your home’s thermostat in a central location away from any sources of heat or cold. However, many people place their units near vents or windows, exposing them to abnormally high or low temperatures. This simple mistake can cause your air conditioner to shut off before it should.

Although it might seem like a costly and time-intense repair job, switching your thermostat placement isn’t that difficult to do. Professional technicians always see this common issue and have years of experience helping homeowners, so you can trust they’ll fix your issue in no time.

The Effects of Short Cycling

Sometimes, homeowners don’t think much of a short-cycling air conditioner, assuming it’s little more than an unfortunate nuisance. However, whenever your air conditioner is short-cycling, you ought to seek help, as it can have the following effects:

  • Increased humidity levels
  • Expensive utility bills
  • Electrical problems and even fires
  • Mechanical failures elsewhere in your home’s HVAC system

Quality Air Conditioning Maintenance and Repair Services in Westerville, OH

If you’re still wondering, “Why does my air conditioner turn off by itself?” World Class Services has you covered. We’re Westerville’s air conditioning service of choice and can help you fix your problems seven days a week. We understand why your AC has stopped making cold air and will get your unit working again in no time.

You can go ahead and give us a call at (614) 739-8670.

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