Companies in the Restaurant Hood & Duct Cleaning industry provide specialized cleaning services for commercial kitchens. This includes the cleaning of exhaust hoods, ductwork, and other ventilation systems to ensure that they are free of grease, oil, and other contaminants that can pose a fire hazard. The cleaning process involves the use of specialized equipment and techniques to remove built-up grease and other debris from hard-to-reach areas, such as the interior of ductwork and exhaust fans. Restaurant Hood & Duct Cleaning companies typically work outside of regular business hours to minimize disruption to their clients' operations.