
Recommended NFPA 96 – 11.4 Exhaust System Inspection Schedule
Type or Volume of Cooking Frequency
Systems serving solid fuel cooking operations. Monthly
Systems serving high-volume cooking operations such as 24-hour cooking, charbroiling, or wok cooking. Quarterly
Systems serving moderate-volume cooking operations. Semi annually
Systems serving low-volume cooking operations, such as churches, day camps, seasonal businesses, or senior centers. Annually