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NFPA 96 Table 12.4
Cleaning Frequency Calculator

Select your cooking type below to find your required hood cleaning schedule.

Select Your Cooking Type
Solid Fuel Cooking Operations
Wood-fired pizza, charcoal grills, mesquite smokers, or other solid fuel appliances
Monthly
High-Volume Cooking Operations
24-hour kitchens, charbroiling, wok cooking, or other high-volume operations
Quarterly
Moderate-Volume Cooking Operations
Standard restaurant, full menu, regular business hours, hotel kitchens
Semi-Annually
Low-Volume Cooking Operations
Churches, day camps, seasonal businesses, senior centers, concessions
Annually
Your Recommended Cleaning Frequency
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Based on NFPA 96 Table 12.4 — the national standard for commercial kitchen exhaust cleaning schedules.
Reference: NFPA 96, Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations
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Why Your Cleaning Frequency Matters

🔥 Fire Prevention

Grease accumulation in exhaust ductwork is the #1 cause of commercial kitchen fires. NFPA 96 cleaning schedules are designed to prevent dangerous buildup before it becomes a fire hazard.

🛡 Insurance Protection

Your commercial property insurance likely includes a Protective Safeguards Endorsement (PSE) that requires NFPA 96 compliance. Miss a cleaning and your insurer can deny a fire claim entirely.

📄 Fire Inspection Compliance

California fire authorities enforce NFPA 96 during routine inspections. An overdue cleaning certificate is the most common fire code violation in commercial kitchens.

⚠️ Common Mistake

Many operators clean annually regardless of cooking type. If you run charbroilers or woks, you need quarterly cleaning — not annual. The wrong schedule puts your kitchen at risk.

⚠️ Solid fuel cooking is the ONLY category requiring monthly cleaning.
High-volume cooking (24-hour, charbroiling, wok) requires quarterly — not monthly.

Not Sure Which Category Your Kitchen Falls Into?

Cleaning Pros Plus provides free assessments. We evaluate your cooking type and recommend the right NFPA 96 schedule.

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