How Long Do Air Conditioners Last?

Though it may still be cold and snowy in your area, warmer weather is on the horizon, making it essential to have a reliable AC for the impending hot summer days. If your air conditioner struggled to keep your home cool and comfortable last summer, it might be time to consider replacing it to prevent a complete breakdown on one of the hottest days of the year.

But don’t sweat – HVAC.com explains how long air conditioners last on average, touching on the various factors that affect their lifespan, so you’ll have a better understanding about the right time to upgrade to a new AC system.

Average Lifespan of a Central Air Conditioner

So, how long do air conditioners last? The average lifespan of a well-maintained AC unit is 15-20 years. However, several factors can influence its lifetime, including the frequency of maintenance, the quality of installation, and the climate in which the unit operates.

Factors Affecting How Long an AC Unit Lasts

Let’s delve deeper into the various factors that affect how long central air conditioners last.

• Maintenance: Regular maintenance is crucial for prolonging the life of your air conditioner. Schedule a tune-up with a professional HVAC contractor each spring, preferably before you turn  the unit on for the first time. During a maintenance appointment, your HVAC contractor will calibrate, clean, and inspect necessary components. They will also identify any minor issues and recommend the needed repairs before they balloon into larger, more expensive issues down the road.
• Location: The climate in which you live can significantly impact your central air conditioner’s lifespan. If you live in a region with extreme humidity and hot temperatures, such as Florida and Texas, it may put more stress on the system, leading to a shorter lifespan.
• Usage: Significantly lowering the temperature on your thermostat can cause your AC system to run more frequently, leading to increased wear and a shorter lifespan.
• Proper Sizing: Installing the correct sized air conditioner is essential for optimal performance and longevity. Undersized units may struggle to maintain desired temperatures, while oversized units may cycle on and off excessively, leading to premature wear.
• Installation Quality: Perform your homework when hiring a qualified HVAC contractor to install your central air conditioner. A professional will perform a load calculation on your home to ensure proper sizing, installation, and setup – critical components for optimal system efficiency, performance, and longevity.

Best Time of Year to Buy an Air Conditioner

Instead of waiting for a critical repair or breakdown on a hot summer’s day, consider replacing your air conditioner preemptively during the off-season, especially if it’s aging, inefficient, or frequently breaks down.

Spring and fall are considered the “shoulder season” for HVAC companies, meaning contractors are less busy and may be able to perform the install in a day or two. You can also potentially save money on the cost of buying and installing an air conditioner as HVAC companies often entice homeowners with deals during the off-season to gain more business.