What is Kitchen Duct Cleaning ? Kitchen Duct Cleaning is the procedure of eliminating grease which has collected in the ducts, exhaust hoods, vented fans and vents of commercial kitchen. Normally, left uncleaned, commercial kitchen ducts eventually build up enough grease to be fire hazards. As such, it is very important that you maintain the ducts clean at all times. The best way to make sure that your ducts are cleaned on a regular basis is to have your kitchen HVAC system cleaned by professionals at least once every year. Your commercial kitchen HVAC system contains ducts that run from the roof to the cabinets and the floor. All these ducts pass through areas that are considered to be the air pathway of the kitchen. If the air passage is blocked with grease or grime, the system will not work properly and may even result in the risk of the entire kitchen burning down. Even worse, the presence of this unwanted air in the kitchen can lead to the rise in temperature of the rooms whi...