Identifying which parts fail between 12 and 17 years determines repair versus replacement
https://privatebin.net/?7068cd1799cee2de#FWpuMsj394S1BveP2SBydLUtqzDpENXDbLi7kh3EjjkE
Most HVAC systems last 12 to 17 years, but that lifespan depends entirely on which components fail first