But if you bake frequently—and often tackle different items at once—it may be more helpful to opt for a double wall oven and buy a separate microwave instead. Already have a range in your kitchen?

We purchased a set of KitchenAid appliances (double-wall oven, microwave-died after 2 years, refrigerator, dishwasher, stovetop) for our new home and have had issues with the double-wall oven ...