The kitchen exhaust fan is activated to expel kitchen smoke and grease through the ducts, removing a significant amount of polluted air from the kitchen. Meanwhile, the makeup air fan for the grease hood supplies fresh air to the kitchen, ensuring a clean air environment.

Design Requirements for Kitchen Exhaust System

The area of the opening window in the individual antechamber should not be less than 2 square meters; for the shared antechamber, it should not be less than 3 square meters.

The total area of exterior windows in the stairwell should not be less than 2 square meters, excluding the fifth floor internal department.

3. Corridors and rooms must have exterior windows with an area of no less than 2%.

4. The area of skylights or high-side windows in atriums with a clear height of less than 12 meters shall not be less than 5% of the total floor area of the atrium.

5. The exhaust vent should be positioned at the top and equipped with an easy-to-open mechanism.