Since 1973, Rational AG has been a global leader in commercial cooking equipment, pioneering the development of combi ovens and steamers that combine efficiency, precision, and versatility. With production facilities in Germany and France, Rational has sold over 1.2 million iCombi steamers and 50,000 iVario systems worldwide, delivering reliable solutions for restaurants, hotels, and catering operations.Rational combi ovens use a combination of steam and convection heat to cook food evenly, ensuring consistent results every time while preventing under- or overcooking. The Rational product line in the U.S. includes iVario, iCombi Classic, iCombi Pro, and iHexagon series, each engineered to meet specific commercial kitchen needs.