Federal Refrigerant Phase-Outs Cut 10-15 Year Lifespans Short Through Regulatory Compliance
https://precision-hvac-evaluation-sac.almoheet-travel.com/matching-amperage-and-capacitance-ratings-when-buying-furnace-and-ac-together
Most HVAC systems last 10-15 years, but refrigerant phase-out schedules and evolving GWP ratings now dictate replacement timing more than age alone