Is An Exhaust Fan Required In A Kitchen. They prevent your house from filling up with cooking smoke and setting off alarms. A non-vented range hood fan just cools the air and recirculates it.
It is always advisable to use exhaust fans in the kitchen to ensure cleanliness sanitation and flow of fresh air. Your ventilation design behind the walls including ductwork fans and makeup air systems. I know commercial kitchen ventilation regulations require a vent hood with fire suppression over cooking.
The primary function of an exhaust fan in a kitchen is to eliminate moisture.
Because this type of exhaust fan requires ductwork and piping running from your kitchen to the outside of your home it can have limited location options. The primary function of an exhaust fan in a kitchen is to eliminate moisture. Kitchens must be vented with a minimum of 25 CFM of continuous air or 100 CFM intermittent air. Fans put in before 1 July 2019 must ventilate to the outside of the house and be in good working order but they dont have to meet the requirements listed above.
