Running an HVAC System Past 30 Years Multiplies Failure Risk and Replacement Cost Exposure
https://sacramentoprecisionhvac-local-sac-near-mcdonald-hearing-aid2826.readspirex.com/posts/obsolete-refrigerant-exposure-turns-ac-failure-into-urgent-financial-risk-within-years
Yes, an HVAC system can technically last 30 years, but running it beyond manufacturer design life creates severe failure risk and efficiency-loss liability