Historical
NFPA 90A-2009
NFPA 90A: Standard for the Installation of Air-Conditioning and Ventilating Systems, 2009 Edition
The up-to-date criteria in the newly revised 2009 NFPA 90A: Standard for Installation of Air Conditioning and Ventilating Systems cover every aspect of the construction, operation, and maintenance of air conditioning and ventilating systems, including filters, ducts, and related equipment to protect life and property from fire, smoke, and gases resulting from fire or conditions having manifestations similar to fire.
Content Provider
National Fire Protection Association [nfpa]