In commercial kitchens exhaust hoods are often used in combination with fire suppression devices so that fumes from a grease.
Kitchen exhaust hood duct. Kitchen exhaust fires can spread in a number of ways. Additional range hood repair troubleshooting tips help with finding your. Some state building codes do require mechanical ventilation such as an exhaust fan in the kitchen. Ducts exposed to the outside atmosphere or subject to a corrosive environment shall be protected against corrosion in an approved.
Exhaust systems must be inspected regularly at intervals consistent with usage to. A fire within the. Commercial kitchen grease ducts shall be designed for the type of cooking appliance and hood served. Moreover code watcher advises that since 2009 the international residential code irc includes a section on air replacement for houses with active kitchen ventilation.
A kitchen hood exhaust hood or range hood is a device containing a mechanical fan that hangs above the stove or cooktop in the kitchen it removes airborne grease combustion products fumes smoke heat and steam from the air by evacuation of the air and filtration. Step 2 run the ducts. Consider a few facts to decide if installing vent insulation on the duct work used by your kitchen range vent hood is a good choice for your home. The duct for your exhaust fan needs to be run to the outside of the house to remove the chance of a fire hazard.
Because ventilation requirements vary from state to state and even from city to city it s important to check with local. Kitchen exhaust cleaning often referred to as hood cleaning is the process of removing grease that has accumulated inside the ducts hoods fans and vents of exhaust systems of commercial kitchens left uncleaned kitchen exhaust systems eventually accumulate enough grease to become extreme fire hazards. Self help video on ducting your vent a hood kitchen ventilation unit. Or even newly renovated homes with a sleek minimalist design with nothing to catch grease splatters and vent smoke steam and cooking smells renters often end up fighting sticky filmy cabinets and a kitchen that still smells like fish two days after cooking.
Cover the hole that you are not using for exhaust and secure the hood to its final positioning to mark the location of the vent duct. A fire that originates within the kitchen or at the hood filters can spread into and up the ductwork system fuelled by the oil and grease within the duct. This video provides step by step instructions for safely installing a kitchenaid range vent hood model kvwb400dss. Tip insulating a kitchen range vent hood is a good idea for safely removing carbon monoxide natural gas and odors through duct work that directs these pollutants outside the home.
Commercial kitchen hood ventilation ducts and exhaust equipment shall comply with the requirements of this section.