You may wonder whether there is a way to bring down your utility bill but still continue using your home appliances as usual. Good news! Choosing energy efficient product can really help you save. On average, home appliances, such as washers, dryers, dishwashers, refrigerators, freezers, air purifiers and humidifiers account for 20% of the total utility bill. For example, an old refrigerator uses nearly twice as much energy as a new ENERGY STAR refrigerator.