The double convection oven has two distinct ovens staked on top of the other. Each oven has its own door but the top oven is smaller and is perfect from warming food and vroiling. The lower and larger oven is used for roasting bigger meats and baking cakes, pies, muffins, and breads. Double oven is excellent for restaurants, hotels and large families which do a lot of baking and roasting. With a double, you can bake and grill different types of dishes at the same time.