This premium, stainless steel Siemens i Q500 HB13NB521B Electric Built-under Double Oven offers world-class cooking performance & high-end German design. It's a stylish addition to any kitchen with integrated appliances. With 3D hot air cooking, conventional heat, defrosting, & comprehensive electronic programming, this twin-cavity oven helps you create sophisticated meals in your home. & because it boasts catalytic liners in both ovens, keeping your Siemens i Q500 HB13NB521B oven clean is quick & easy. The Siemens i Q500 HB13NB521B Electric Built-under Double Oven offers 'A'-rated energy efficiency in the main oven & 'B'-rated efficiency in the top oven. With a host of luxurious design touches & obvious quality throughout, this oven will appeal to the discerning cook.