SYMPOSIA PAPER Published: 01 January 1986
STP19647S

Measured Air Infiltration and Ventilation Rates in Eight Large Office Buildings

Source

Air infiltration and ventilation rate measurements were made during all seasons of the year in eight federal office buildings using an automatic air infiltration system designed at the National Bureau of Standards. The eight federal office buildings were located in Anchorage, Alaska; Ann Arbor, Michigan; Columbia, South Carolina; Fayetteville, Arkansas; Huron, South Dakota; Norfolk, Virginia; Pittsfield, Massachusetts; and Springfield, Massachusetts. These buildings ranged in size from 1730 m2 (18 600 ft2) for the building in Pittsfield to 45 500 m2 (490 000 ft2) for the Anchorage federal building. All were constructed within the last 10 years. Air infiltration rates were found to vary from 0.2 to 0.7 air changes per hour and constituted from 23% to 61% of the building design load. Minimum ventilation rates in the tighter buildings were found to be less than what would be recommended for occupied offices.

Author Information

Grot, RA
Center for Building Technology, National Bureau of Standards, Gaithersburg, MD
Persily, AK
Center for Building Technology, National Bureau of Standards, Gaithersburg, MD
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Details
Developed by Committee: E06
Pages: 151–183
DOI: 10.1520/STP19647S
ISBN-EB: 978-0-8031-4971-7
ISBN-13: 978-0-8031-0469-3