You glance at a major appliance and see a big yellow sticker, promising that the yearly cost of operation will be the dollar amount affixed to the bold sticker. Appliances that nomally sport these stickers are electric hot water heaters, freezers, and refrigerators. Have you ever wondered where they come up with these figures? Is the number just pulled out of a hat? Well, the answer is quite clear in the article I wrote called the appliance energy guide.