How Long Does an AC Last?

An air conditioner does not last forever. How long it runs depends on the quality of the unit, how well it is maintained, and the climate.

Typical Lifespans

A central air conditioner often lasts around 10 to 15 years, though some run longer with good maintenance and some fail sooner without it. San Angelo's long, hot cooling season puts heavy demand on a system, which can affect lifespan.

What Affects Lifespan

  • Regular maintenance versus neglect.
  • Proper sizing at installation.
  • Climate and usage intensity.
  • Quality of the original equipment.

Planning Ahead

If your system is in the upper end of its expected life, it makes sense to start comparing replacement options before a breakdown. See AC replacement.

FAQs

How long should an AC last?

A central AC often lasts around 10 to 15 years, depending on maintenance, sizing, and climate.

Related HVAC Pages

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