Using the 50 Percent Rule to Decide Between Repairing and Replacing Your Refrigerator

https://crankmaster2.gumroad.com/p/measuring-washer-energy-consumption-reveals-operating-lifespan-between-10-and-14-years

You know it's time to replace your refrigerator when the cost of repair exceeds 50 percent of the price of a new unit—or when your appliance has reached the end of its useful life, typically 10 to 15 years old