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NFPA Standard 90B Standard for the installation of warm air heating and air-conditioning systems

Publication Year

2021

Document Status

Withdrawn

Abstract

Specifies the construction, installation, operation, and maintenance of systems for warm air heating and air conditioning.

Document History

Superseded by the 2024 edition.

Publisher Information

National Fire Protection Association

The National Fire Protection Association (NFPA) is a global non-profit organization, established in 1896, devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards.

1 Batterymarch Park
Quincy
NFPA
USA

Tel: +1 617 770-3000