The hood is one of the most important parts of your kitchen system. The hood contains your filter and your Ansul system (we don’t maintain the Ansul system, but we do clean them). While the hood itself acts as the grease catcher, the Ansul systems act as the fire extinguisher. You should be cleaning your filters out on a weekly basis. When the filter can breathe, the system works better and catches more grease. With this system being designed to catch grease, it’s important we go in and clean it.