The best ovens will make a significant difference in your life, ensuring that your baking does not have a soggy bottom and that your roasting always achieves the desired results. And some of the finest ones even clean themselves, so you'll have less kitchen duty to worry about. Electric fan ovens are the best, cleanest, safest, and most efficient. They provide more uniform cooking by moving the air than fanless ovens. They also heat up faster since they don't need to become as hot.