Federal Refrigerant Phase-Outs Cut 10-15 Year Lifespans Short Through Regulatory Compliance
https://precision-hvac-repair-sac-apartment-sac-near-liahona-chapel3145.scriblorax.com/posts/sacramento-ac-breakdown-triage-steps-to-save-25-on-repair-costs
Most HVAC systems last 10-15 years, but refrigerant phase-out schedules and evolving GWP ratings now dictate replacement timing more than age alone