
The 2024 edition features significant revisions reflecting current technology and real-world challenges in fuel gas usage. It includes expanded guidance on appliance installation, ventilation requirements, system testing, combustion air, pipe sizing, and leak detection procedures ensuring safer, code-compliant gas systems.
Widely adopted across the United States, NFPA 54 is essential for gas utility professionals, HVAC technicians, code officials, engineers, installers, and building inspectors. It offers clear language, practical diagrams, and detailed tables that make implementation easier in both new construction and retrofit projects.