2021 International Mechanical Code Softcover

Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design. Important changes in the edition include updated refrigerant tables, new requirements for fire and smoke dampers, and a 30% reduction in minimum mechanical ventilation for whole-house balanced ventilation systems. This book is a must-have for anyone involved in mechanical systems, including contractors, engineers, and architects.