Model Codes › IMC 2021
International Mechanical Code
IMC 2021 · International Code Council
This is the model code as published. It carries no state or local amendments. Most jurisdictions adopt an I-Code with amendments, and many are on a different edition — check what yours has adopted on its jurisdiction page before relying on anything here.
378 sections across 14 chapters on BuildSpec · 1 of the 15 chapters are not in the library yet
Chapters
Chapter 1
Scope and Administration
34 sections →
Chapter 2
Definitions
4 sections →
Chapter 3
General Regulations
48 sections →
Chapter 4
Ventilation
21 sections →
Chapter 5
Exhaust Systems
51 sections →
Chapter 6
Duct Systems
40 sections →
Chapter 7
Combustion Air
2 sections →
Chapter 8
Chimneys and Vents
26 sections →
Chapter 9
Specific Appliances, Fireplaces, and Solid Fuel
30 sections →
Chapter 10
Boilers, Water Heaters, and Pressure Vessels
20 sections →
Chapter 11
Refrigeration
28 sections →
Chapter 12
Hydronic Piping
25 sections →
Chapter 13
Fuel Oil Piping and Storage
28 sections →
Chapter 14
Solar Thermal Systems
21 sections →
Chapter 15
Referenced Standards
Not in the library yet
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