Identifying which parts fail between 12 and 17 years determines repair versus replacement
https://sacramentoprecisionhvac-local-sac-near-mcdonald-hearing-aid2826.readspirex.com/posts/system-lockout-signals-when-your-ac-demands-immediate-replacement-rather-than-repair
Most HVAC systems last 12 to 17 years, but that lifespan depends entirely on which components fail first