NFPA 96 is the national fire-safety standard for commercial kitchen exhaust systems. It governs the hood, the ductwork, the fan, and the rooftop termination — and it applies to every operation that produces grease-laden vapors, from restaurants and hotels to hospitals, schools, and ghost kitchens.
NFPA 96 — the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations — covers the design, installation, operation, inspection, and maintenance of all public and private cooking operations that produce grease-laden vapors.
Hoods, grease removal devices, exhaust ductwork, exhaust fans, dampers, fire-suppression systems, and clearance to combustibles.
Restaurants, hotels, hospitals, schools, correctional facilities, grocery delis, ghost kitchens, food trucks — any facility producing grease-laden vapors.
Frequency schedules, grease-depth thresholds, qualification of the person performing the work, and the records that must be produced afterward.
Wet-chemical suppression systems, manual pull stations, fuel shutoffs, and the interlock requirements that tie the suppression system to the exhaust fan.
The building owner or operator bears ultimate responsibility. They must ensure the kitchen exhaust system is inspected and cleaned at the intervals NFPA 96 requires, by a properly trained, qualified, and certified person acceptable to the Authority Having Jurisdiction (AHJ). In a fire, an insurance claim, or a health inspection, the question is always the same: "Where are the records?"
The cleaning contractor performs the work and produces the documentation — the certificate of inspection that stays on the premises, the written report delivered to the owner, and the service label affixed to the access panel. The contractor is the qualified party. The records they produce are the proof.
The owner retains the certificate. The contractor retains the report. Neither can reconstruct the other’s copy after a loss. The system works only when both records exist — and both records survive.
Cleaning and inspection frequency is set by what and how much a kitchen cooks — not a fixed calendar. NFPA 96 defines four tiers based on the type and volume of the cooking operation.
These intervals are minimums. A kitchen cooking at higher volumes or with dirtier fuel types does not get to choose the longer interval. The frequency is dictated by the cooking, not the schedule that’s most convenient.
NFPA 96 is a consensus standard published by the National Fire Protection Association. On its own, it has no legal force. It becomes enforceable when a state or local jurisdiction adopts it — usually by reference within the jurisdiction’s fire code.
Most U.S. jurisdictions adopt either the International Fire Code (IFC) or NFPA 1 (Fire Code) as their base fire code. Both reference NFPA 96. But the edition they reference depends on the edition of the base fire code the jurisdiction has adopted.
The result: different states — and sometimes different cities within the same state — enforce different editions of NFPA 96, with different section numbers and different thresholds.
Which edition does your state enforce? The answer depends on the governing fire code your jurisdiction has adopted. We track the adopted NFPA 96 edition for every U.S. jurisdiction.
See all 50 statesNFPA 96 doesn’t ask for perfection — it asks for proof. Proof that the right person inspected the system at the right interval and documented what they found. The companies that survive inspections, insurance audits, and litigation are the ones whose records exist when it matters.
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