Historical
ANSI/ASHRAE Standard 149-2000 (RA 2009)
Laboratory Methods of Testing Fans Used to Exhaust Smoke in Smoke Management Systems
Covers fans that are to be permanently installed in smoke management systems to exhaust smoke, including fan components and accessories when supplied, mounted, or intended to be mounted to the fan.
Content Provider
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]