A large commercial kitchen exhaust hood removes a high volume of air. Without makeup air, the space goes into strong negative pressure. The BEST solution is to:

Giải thích

High exhaust volume must be balanced by a makeup (replacement) air system; otherwise negative pressure causes doors to slam, backdrafting of combustion appliances, and poor hood capture. Adding exhaust worsens it; sealing tighter increases negative pressure; shrinking the hood may not meet capture needs.