5 Shelves, 16 Pounds Max Per Warming Shelf Improve store profits by showcasing your grab-and-go meals in a quality Alto-Shaam floor-standing food merchandising display. Featuring exclusive Halo Heat fanless technology, Alto-Shaam heated display units provide precise, even heating for the safest, highest quality food and lowest cost of ownership. This 24-inch wide, five-shelf floor-standing heated display unit can be purchased separately or as part of a full system to cook, hold and merchandise rotisserie chickens, pizzas, sandwiches and more.