Q's Daily DIY Green Tips: A Full Fridge is an Efficient Fridge
A full refigerator is more energy efficient because it retains cold better than an empty refrigerator. This is due to the cold items in the refrigerator helping to cool the space after the door is opened and the cold air escapes. Don't keep a lot of goods in your refrigerator? Filling up containers with water or other liquid and putting them inside can acheive the same results.