Kitchen Appliance Longevity Depends on Refrigerant Charge Data and Operating Tolerances

https://www.scribd.com/document/1071184349/Emergency-Appliance-Repair-Pricing-Begins-at-75-Dollars-for-Immediate-Assistance-135480

Kitchen appliances reach end-of-life not by calendar age alone, but when sealed-system refrigerant specs and rated pressures fall outside documented tolerances