North Ohio Chem-DryHave Any Two Rooms Cleaned For Just $69.95 (up to 325sq. ft.) Using North Ohio Chem-Dry's Exclusive Carbonated Cleaning System. Most Carpets will Dry In 1-2 Hours. Our Non-Toxic General Cleaner "The Natural" Is Safe For People and Pets! Your Carpets Dry With No Sticky Dirt Attracting Residue Left Behind.