Manual J Calculations Add 10 Years to Unit Lifespan Through Accurate Sizing
https://precisionwarrantyhvac.fotosdefrases.com/measurement-driven-quoting-reveals-how-your-ac-compressor-s-10-year-lifespan-affects-replacement-costs
An HVAC system typically lasts 15 to 20 years, but correct Manual J load calculation and proper tonnage sizing can add a full decade to that lifespan