Rational Cooking Systems
Food Steamer Equipment

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Rational Cooking Systems is headquartered in Schaumburg, Illinois, in the Chicago metropolitan area. Our facilities include a demonstration center, offices, extensive warehousing of inventory and parts, and are the heart of RATIONAL in North America. Our staff includes product support specialists, technical service experts, marketing and finance personnel. The RATIONAL team also includes regional executive chefs, local sales representatives, a factory-trained, highly competent service network, and a nationwide network of certified RATIONAL chefs.


Rational Cooking Systems, Inc., is a subsidiary of RATIONAL A.G., a German corporation. RATIONAL is the inventor and worldwide research and development leader of Combi-Steamer technology.

The company was founded in 1973. Since then, 125,000 Combi-Steamers have been sold. In 1998 alone, 17,000 Combi-Steamers were sold worldwide, over 300% more units than the nearest competitor. RATIONAL is continuing its position as the world leader in volume and technology.


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