It's also important to Observe that while some machines might not require a hood, they should still produce smoke, grease, or other cooking vapors. In these scenarios, ventless hood techniques can be a great way to filter the air and preserve the kitchen area up-to-code with no requiring ducted hoods. https://restaurantandbarventilati97529.blog-ezine.com/29672536/an-unbiased-view-of-restaurant-and-bar-ventilation