The answer to 'how often to replace AC repair' is that the frequency of AC system replacement can vary, but most experts recommend replacing the system every 10-15 years. This timeframe accounts for normal wear and tear, as well as changes in technology and efficiency standards. Older AC units become less energy-efficient and more prone to breakdowns over time, so replacement is often necessary to maintain home comfort and avoid costly repairs.
It's important to have your AC system serviced annually by a professional HVAC technician. Proper maintenance can extend the lifespan of your system and catch any issues before they become major problems. However, even a well-maintained AC unit will eventually need to be replaced as it reaches the end of its useful life.