The life of the refrigerator and freezer depends on the maintenance work. Generally speaking, the life can approach 15 years with well maintained. Otherwise, its life will be shorter .
If the refrigerator has some trouble like noisy, in high power consumption, no cooling, water leakage and tremble after 10 years, it's better to replace a new one because of the low cost-efficiency for high maintenance cost and malfunction reappearance.