The answer to 'lifespan of central air' is that a well-maintained central air conditioning system typically lasts 15-20 years. With proper installation, regular maintenance, and prompt repairs, many central air units can operate efficiently for two decades or more. However, factors like climate, usage, and unit quality can impact the actual lifespan.
Central air conditioners contain many moving parts that experience wear and tear over time. Regular tune-ups, filter changes, and addressing issues early can help maximize the unit's lifespan. Upgrading to a more energy-efficient model may also be worth considering as older systems become less reliable and more costly to operate.