2018 International Mechanical Code (International Code Council Series)

2021 International Mechanical Code (IMC) – Mechanical Systems, HVAC & Building Code Standards

The 2021 International Mechanical Code (IMC) establishes minimum requirements for the design, installation, inspection, and maintenance of mechanical systems in residential, commercial, and other buildings. Using both prescriptive and performance-based provisions, the IMC supports safe, efficient mechanical system design while allowing the use of new technologies, materials, methods, and innovative designs.

This essential mechanical code reference is valuable for mechanical engineers, HVAC professionals, contractors, architects, building inspectors, code officials, designers, and construction professionals working with mechanical and ventilation systems.

Key Updates in the 2021 IMC

• New provisions for pollution control units

• Updated requirements for Type I commercial kitchen hoods

• New coverage for phenolic non-metallic duct systems

• Requirements for high-volume large-diameter (HVLD/HVLS) fans

• Updated duct joint and seam sealing requirements

• Provisions supporting modern mechanical system designs

• Prescriptive and performance-based mechanical code requirements

The 2021 International Mechanical Code is a practical resource for understanding HVAC systems, ventilation, ductwork, commercial kitchen exhaust, mechanical equipment, and building mechanical safety requirements.

Ideal for: Mechanical engineers, HVAC contractors, architects, building inspectors, code officials, construction professionals, facility managers, designers, and students studying mechanical engineering or building codes.

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