Central AC Units Last 15 Years With Proper Refrigerant Recovery During Every Service Visit

https://precision-five-star-hvac.theburnward.com/assessing-ac-lifespan-through-efficiency-measurements-reveals-12-to-15-year-operating-windows

A typical central air conditioning system operates reliably for 15 to 20 years, but that lifespan depends heavily on how refrigerant is handled during maintenance and repair