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Back to the OSAC Lexicon

Chimney Effect

The vertical airflow within buildings caused by the temperature-created density differences between the building interior and exterior or between two interior spaces. Also known as the stack effect.

Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
NFPA 921:2018 Standard for Smoke Control Systems. The National Fire Protection Association (NFPA), 1 Batterymarch Park, Quincy, MA, 2018. Source link