Peak performance declines after 12 years, signaling replacement readiness for most units

https://www.slideserve.com/arthusobkn/how-the-50-50-rule-guides-sealed-system-diagnostic-workflows-in-appliance-repair

Most refrigerators reach their natural end-of-life threshold between 10 and 15 years, with the most cost-effective replacement window occurring around the 12-year mark when reliability decline becomes steep and repair expenses mount rapidly