The answer to 'how long will central air last' is that a well-maintained central air conditioning system can typically last 15-20 years. However, the actual lifespan can vary depending on factors like the climate, usage, and quality of installation and maintenance. Proper maintenance, including regular tune-ups and filter changes, is key to maximizing the system's longevity.
Central air conditioners are complex systems with many components that can wear out over time, such as the compressor, coils, and refrigerant. In general, you can expect the major components to last 10-15 years, while smaller parts like fans and motors may need to be replaced more frequently. Upgrading to a newer, more energy-efficient system can also be a good investment if your current unit is over 15 years old and starting to show its age.