Appliance Recycling Why Recycle an Old Inefficient Refrigerator or Freezer? Older refrigerators and freezers can use more electricity than any other appliance in your home. ENERGY STAR® certified refrigerators and freezers use much less energy than standard models, without sacrificing the performance and features you want. The ENERGY STAR® calculator can help you find out how much your old refrigerator or freezer costs to operate and how much you can save when you switch. ENERGY STAR certified refrigerators are about 9 percent more energy efficient than standard models. In fact, a typical ENERGY STAR certified refrigerator uses less energy than a 60-watt light bulb. By replacing your old refrigerator with a newer model, you can save $200 over the 12-year lifetime of the product. ENERGY STAR certified freezers are at least 10 percent more energy efficient than standard models. Replacing your old freezer with a newer model could save you $195 over the next five years.