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How Long Do Central AC Units Last?

How long do central AC units last?

For many homeowners, the central AC unit is something that seems mysterious and complicated. Not to mention, it’s easy to forget about when it’s working. Express Air shares everything you need to know about how long your AC unit should last and how to maintain it so that it lasts as long as possible.

How Long Should An Air Conditioner Last?

The average AC system can last anywhere from 15 to 20 years, but it isn’t uncommon for an AC to last more or less than that. You should begin monitoring your air conditioner more closely once it reaches 10 years old to maintain it properly.

Factors That Impact AC Lifespans

The lifespan of an AC system depends heavily on a variety of factors, which is why homeowners should understand what those factors are and take action to avoid decreasing their AC unit’s lifespan. Factors that can affect how long an AC unit lasts include:

  • Whether regular maintenance is done or not
  • Local climate (humidity, air pollutants, etc.)
  • Quality of the unit’s sizing and installation
  • Your comfort preferences (thermostat setting and system use)

While there’s no way to ensure that an AC unit lasts longer, regular maintenance, proper sizing and other factors make it much more likely that your AC will stay running better for longer. It’s also important to address air conditioning repairs when the problems occur to avoid compounding problems, as this kind of neglect is a major cause of decreased AC lifespans.

What to Check Before Calling For Repairs

Many homeowners contact their air conditioning company at the first sign of a problem in an effort to ensure the health of their AC unit. Before picking up the phone, however, there are some common things you should check that can help you proactively maintain your air conditioner without having to pay for AC repairs.

  • Clear any obstructions, including changing your air filter.
  • Check your thermostat to make sure the settings are correct.
  • Look for ice on the unit. If ice is present, turn the system off to let it melt.
  • Is there water in the drain pan? If so, take the proper steps to unclog the condensate drain.
  • Make sure that the circuit breaker is switched on.

Express Air Conditioning and Heating makes sure that our customers have the quality air conditioning Pensacola residents deserve. To schedule an appointment, contact us today.

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Excellent 3,261 reviews
Patricia Mann
29 Oct 2026
After a few attempts to push another couple years out of my 16 year old system it was time to let it go. Drew explained…
Austin Hubbard
29 Oct 2026
Express got me on the schedule fast even with all the hurricane damage. Curtis was fast and professional and got the right parts ordered the…
Drey Nimmo
29 Oct 2026
Randy was on time, fast, friendly, knows what he is talking about, and went over and above the call of duty! Thank you Express Air!
Kathy Neal
28 Oct 2026
Randy and Mark were very professional and gave me information that no other technician had every told me very nice guys
Danielle
27 Oct 2026
Randy and his crew was amazing! He was very thorough in cleaning my unit and pointing out a few things that I may want to…
James Brewer
26 Oct 2026
Look forward to working with Randy in the future.
Donna Ard
24 Oct 2026
Curtis was so helpful and informative. Really enjoyed meeting him
Andreao Hale
23 Oct 2026
Curtis came out and did an exceptional job, not only did he fix my issue but he had no issues answering my questions. Very professional…
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