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How Often Should Hood Vents Be Cleaned? NFPA 96 Requirements

5 min read

If you operate a commercial kitchen in Houston, your hood vent cleaning schedule isn't optional — it's mandated by NFPA 96, the National Fire Protection Association standard for ventilation control and fire protection of commercial cooking operations.

Required Cleaning Frequencies

  • Monthly: High-volume operations — 24-hour cooking, charbroiling, wok cooking, wood/coal-burning ovens
  • Quarterly: Moderate-volume operations — most full-service restaurants, hotel kitchens, hospital cafeterias
  • Semi-annually: Low-volume operations — churches, day camps, seasonal restaurants, senior centers
  • Annually: Very low-volume operations — minimal cooking with no grease-producing appliances

What Happens If You Don't Comply?

Failing to maintain your required cleaning schedule can result in failed fire inspections, fines, increased insurance premiums, and — most seriously — kitchen fires. Grease fires in exhaust systems are among the most common causes of restaurant fires.

What's Included in Our Service?

Our certified technicians clean the complete system: hood interior and exterior, filters, ductwork, exhaust fans, and rooftop units. We provide before-and-after documentation for your records.

Need to schedule your cleaning? Contact GreaseKleen for a free quote.

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