If you're looking for an energy-efficient upright freezer, choose an upright freezer with an A, B, or C energy label. You can save up to € 350 on your energy costs during the lifespan of an A energy label appliance compared to one with an E energy label. This is better for your energy bill and the environment. That's why you should buy an energy-efficient upright freezer. When you buy lots of groceries, choose a large capacity of 300L or more. You can store all your fryer snacks this way, and you don't have to stuff it in.