(JAMES DULLEY) Q. My 17-year-old refrigerator still works. I am remodeling my kitchen and I heard I should get a new, more efficient one. What style and size of refrigerator/freezer is most efficient and functional? New refrigerator/freezers are much more energy efficient than a 17-year-old model. Energy Star-qualified models are 20 percent more efficient than the most recent federal energy ...