Chem-Dry has become the world's largest upholstery and carpet cleaning service through the combination of innovative research and technology, premium equipment and solutions and expert staff.  Hot Carbonating Extraction improves upon the typical hot water extraction (steam cleaning) for a deep clean that dries quickly.  Chem-Dry is the world's leader in upholstery and carpet cleaning services, cleaning an estimated one billion square feet of carpet each year.