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Why Won’t My Air Conditioner Turn On?

Any kind of complication with your cooling equipment can be cause for frustration. But when the system won’t even turn on in the first place, you can be left feeling hot, damp, and helpless. If you’re finding yourself asking “why won’t my air conditioner turn on?” then you have come to the right place—the local AC repair contractors at Mountain Air Conditioning & Heating are here to help.

Common Causes for an AC Not Turning On

When an air conditioner completely fails to cycle on, there could be a wide range of potential causes. Luckily, the most common ones are also the simplest to deal with. Your air conditioner might not turn on if:

  • The thermostat settings are incorrect. Before you make any calls or start to get frustrated, make a trip to your thermostat. Be sure that the temperature is set lower than the outdoor temperature, the system is set to “cool,” and the system is responding to changes. We know this sounds simple, but it’s easy to overlook, and we would rather you find out the problem was that simple than incur the cost of an AC diagnostic service unnecessarily!
  • The air filter is a mess. A dirty and clogged up air filter will drastically reduce the air flow in your HVAC system and ducts. This can lead to overheating, which will cause the system to shut off and refuse to restart. It’s also the leading cause of frost and ice forming inside the unit, which will prevent normal operation.
  • Your air conditioner tripped its breaker. As a major appliance, HVAC systems are typically set on a dedicated circuit within your service panel. Go to your breaker box and check to see if the breaker is tripped. If so, reset it. If the problem happens again, it’s time to call either an AC repair company or an electrician!

Problems That Require Professional AC Repair

If none of the above cleared up your troubles, it may be time to call on a professional for service. These are your other potential causes for why your air conditioner might not run:

  • Dirty or frozen evaporator coils. Dust frequently comes into contact with the evaporator coils, which can lead to cakes of restrictive gunk that will keep the system from running properly. This is why you should never skip out on annual AC maintenance!
  • A clogged condensate line. Over time, the drain pan and condensate hose—the parts that are responsible for removing moisture from the system—may develop a clog. This can cause the system to back up and fail to start as a form of self-preservation.
  • Refrigerant leaks. An air conditioner will actually continue to run if it develops a refrigerant leak, but since the system lacks enough material to remove heat effectively it will soon begin to freeze up constantly.
  • Internal component damage. This is likely your worst-case cause for an AC to not start, but it does happen. If your system was making strange noises before it stopped working then you may be dealing with a damaged AC blower assembly, AC condenser failure, or another component problem.

Contact Mountain Air for Air Conditioner Repair in Ogden, UT

If you’re still asking “why won’t my AC start?” then don’t stress—call on the certified air conditioning contractors at Mountain Air Conditioning & Heating and our expert AC repair team can set things right in no time.

For AC troubleshooting and repair in Ogden, Weber County, or the surrounding areas, contact Mountain Air online!

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