[header] How to save energy with your appliances [title] Make sure that your refrigerator has a few inches of space behind it so air can circulate around the condenser coils. [step] The appliance that uses the most energy is the refrigerator. [title] Dusty condenser coils cause your refrigerator to work harder, leading to higher bills, and a shorter life for the fridge. 
[step] Clean them with a vacuum, duster, or a cleaner every three months to ensure it is running efficiently. If you have pets clean it every month.