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Repeated opening or prolonged opening causes the refrigerator to lose cooling as well as goes for wear and tear. So, how long should a refrigerator last is up to you, if you want your refrigerator to last upto 14 -17 years, you should take care of the factors that determine the lifetime of the refrigerator.
Refrigerators over 10 years old could be costing you about $110 per year to run. If you need a second refrigerator year round, replace the old one with a new ENERGY STAR certified unit and save more than $50 a year in operating costs. Recycle your old refrigerator. If you buy a new refrigerator, be sure to recycle your old one.