A grease duct is a duct that is connected to the kitchen exhaust hood and is specifically designed to vent grease smoke and other harmful contaminants from commercial cooking equipment to the outside of a building.
Kitchen vent duct. Finally install the hood. Required tools for this kitchen fan vent project. Exhaust systems must be inspected regularly at intervals consistent with usage to. Grease ducts are regulated both in terms of their construction and maintenance forming part of the building s passive fire.
Commercial kitchen grease ducts shall be designed for the type of cooking appliance and hood served. 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. The duct for your exhaust fan needs to be run to the outside of the house to remove the chance of a fire hazard. 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.
Kitchen ventilation equipment includes an extractor hood or canopy and a filtering system. Attach the transition duct to the hood and make sure the damper flap operates freely. Commercial kitchen hood ventilation ducts and exhaust equipment shall comply with the requirements of this section. Cosmo uc30 30 in under cabinet range hood 760 cfm with ducted ductless convertible duct kitchen over stove vent light 3 speed exhaust fan dishwasher safe permanent filter stainless steel 4 0 out of 5 stars 231.
Ducts exposed to the outside atmosphere or subject to a corrosive environment shall be protected against corrosion in an approved. 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 system s fan may be located in the kitchen or in its ducts. Watch mark kranenburg from greenmark builders walk you through building a.
The exhaust duct should be liquid tight and pitch back toward the dishwasher. Step 2 run the ducts. Exhaust ductwork should be stainless steel below the kitchen ceiling and either stainless steel or aluminum above the ceil ing. The dishwasher fan should be an alu minum unit.
Your vent hood will have places available for either attic or wall exhaust. Connect the operation of the dishwasher exhaust fan to the dishwasher control panel. Greenmark builders tv boxing in a kitchen exhaust duct sometimes a duct can t be hidden behind a wall what do you do.