Most units can accommodate only a single pizza. On the other hand, not every kitchen can handle another major appliance, even one that fits on a countertop. Other features also can be double-edged swords. While a few extra slices of pepperoni falls within the fudge factor, extra cheese and four toppings probably needs a different cook setting. On some models, that's as easy as punching a few buttons.
Cost is another consideration.
But as the technology improves and sales pick up, the price tag is expected to drop. Energy savings from shorter cooking times help offset the price. Small, limited-menu operations, such as pizzerias, are the most obvious candidates for the ovens. But they are also popular with hotels and bars serving appetizers and hot sandwiches. Choice Picks Food Court's menu ranges from deep-dish pizza to barbecued ribs.