User Manual Samsung CM1919 Commercial Microwave Oven 1850W, 26L (Stackable)

The average microwave oven lasts about seven years with normal use, and even less with heavy use and poor maintenance. A large family may find themselves replacing their appliance every four to five years as they become more reliant on its use to heat up snacks and leftovers, or to defrost meals.

A heavy duty commercial microwave from a recognised leading brand should have an expected lifespan of at least five years if it is used and maintained correctly, suggest market experts.