Due to improvments in insulators and compressors, refrigerators have been remodeled to conserve way more energy than refridgerators from many years ago. ENERGY STAR has created a refrigerator that saves energy and money. These refrigerators use 20% less energy than other refrigerators. They can also save up to $165 in energy bills throught the refridgerators lifetime. These refridgerators save lots of energy and money and are alot different than other refridgerators.