“Most fridge repair costs today are between $150 and $600,” he says. “With a $600 fix on a five-year old refrigerator you’d probably buy a new one.

Here are some signs that your freezer is at the wrong temperature, whether too high or too low, and how to fix it according to an expert.

Nothing will have you calling a repairman faster than finding melted ice cream in the freezer or warm milk in the fridge. Sometimes the problem is simple and easy to fix. Other times, it involves ...