Not being and expert in make up air I have a question. Hibachi steak house which only uses the kitchen cooking equipment on occasion.
I have a hood that is 17’ X 4’ Long. The ventilator is a FX24BFT. The hood has 4 rectangular openings(close to 7”X10”) inside the front which lead up to two round take offs(9”) which lead up to a 30” X 30” fresh air opening. When the ventilator kicks on it creates a negative pressure condition in the kitchen pulling open the doors. Can I add a make up air unit to this hood? If so, how do I size it? How do I know the right ventilator for this hood was selected?