Federal Refrigerant Phase-Outs Cut 10-15 Year Lifespans Short Through Regulatory Compliance
https://precisionhireprosac.image-perth.org/three-years-without-filter-changes-creates-emergency-response-delays-that-cost-thousands
Most HVAC systems last 10-15 years, but refrigerant phase-out schedules and evolving GWP ratings now dictate replacement timing more than age alone