Make-up air refers to the fresh air that is introduced into a restaurant kitchen to replace the air that is removed by the exhaust hoods. These exhaust hoods are essential components in restaurant construction, particularly in fast food establishments. They are designed to capture and remove smoke, grease, and other airborne contaminants from the cooking area. To facilitate this process, exhaust fans are used to draw the contaminated air out of the kitchen and through the exhaust hood. Additionally, roof ventilators are installed to help expel
