NFPA 90A-2021 PDF Download

The NFPA 90A-2021 standard is an essential resource for ensuring fire protection in HVAC systems. This standard has been developed since 1899 and provides vital information and criteria for safety in the built environment. It covers provisions for preventing smoke migration, reducing fire hazards, and mitigating related risks in forced air systems.

NFPA 90A covers a wide range of topics, including definitions, requirements, integration of ventilation and air conditioning with building construction, controls, and acceptance testing. It provides comprehensive information on the construction, operation, and maintenance of HVAC systems, including filters, ducts, and other equipment.

The standard applies to buildings over 25,000 cubic feet and buildings more than three stories in height classified as Types III, IV, and V construction. It also applies to buildings or structures not covered by any applicable NFPA standards. The 2021 edition of NFPA 90A includes editorial changes and updates to existing language to ensure it remains current and relevant.

By referencing NFPA 90A-2021, HVAC professionals can have confidence that they are following the most up-to-date requirements to keep their systems fire safe. This standard is crucial for protecting lives and property and ensuring compliance with industry codes and regulations.