Ductwork Restriction Cuts Air Conditioning Lifespan by 5 Years Through Static Pressure Damage

https://precisioneverydayhvac.tearosediner.net/manual-j-calculations-add-10-years-to-unit-lifespan-through-accurate-sizing

Central air conditioning units typically last 10 to 15 years, but their actual lifespan depends heavily on airflow engineering and static pressure management