Identifying which parts fail between 12 and 17 years determines repair versus replacement
https://precision-hvac-sacramento-crew-sac-near-sutter-park1477.evergrovio.com/posts/sudden-loss-of-cooling-or-heating-costs-between-four-and-twelve-thousand-dollars-for-replacement
Most HVAC systems last 12 to 17 years, but that lifespan depends entirely on which components fail first