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

https://crankmaster2.gumroad.com/p/professional-isolation-and-shutoff-procedures-protect-you-before-any-dryer-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