Image Wrong - Kitchen exhaust ducts are prohibited from terminating within 3 feet of an operable window or near gable vents.
Image Wrong – This kitchen exhaust fan is not located directly above the stove top so it will be ineffective at removing cooking pollutants and it terminates within 3 feet of an operable window, which is prohibited by code.
Kitchen Exhaust Retrofit Duct Guide Description Guide describing the retrofit of kitchen exhaust systems, including duct sizing and routing considerations.