Ventilation & HVAC Compliance Guide

#8 Code Violation: Poor Ventilation

12,000+ citations • $500–$10,000 fine (2025)

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Why Ventilation Is the #8 Code Violation

Grease buildup, missing makeup air, and blocked fire dampers cause fire hazards & mold. IMC & NFPA issued 12,000+ citations in 2023 — repeat failures lead to closure.

Top Triggers:

  • Hood exhaust <400 CFM
  • No “EXHAUST ON” light
  • Fire dampers not tested
  • Filters never changed

2025 Fines (IMC 507 / NFPA 96)  

Type Fine
Priority (grease buildup) $500–$2,000
Critical (fire damper fail) $5,000–$10,000 + shutdown

Source: IMC 2021

Code Must-Haves

Required

  • 400+ CFM over cookline
  • “EXHAUST ON” indicator light
  • Fire dampers tested annually

Avoid

  • Blocked returns
  • No makeup air
  • Storage near ducts

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By CGAP Industries | Updated: October 29, 2025

IMC 2021

Why Safety Signs Matter More Than You Think: Simple Fixes That Prevent Big Problems

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Ladder Safety Starts on the Wall – Not Just on the Rungs

  • Ladder Safety Starts on the Wall: Posting What Workers Actually Need to See - CGAP Industries

    Ladder Safety Starts on the Wall: Posting What ...

    Joseph Pannell

    Falls from ladders are one of those “we know better” hazards that still send workers to the hospital every year. Most crews understand the basics—don’t stand on the top step,...

    Ladder Safety Starts on the Wall: Posting What ...

    Joseph Pannell

    Falls from ladders are one of those “we know better” hazards that still send workers to the hospital every year. Most crews understand the basics—don’t stand on the top step,...

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