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Updated ASHRAE standards focused on ventilation design, air quality in residential applications

November 26, 2019

ASHRAE has released updated editions of its standards for ventilation system design and acceptable indoor air quality (IAQ).

ANSI/ASHRAE Standard 62.1-2019, Ventilation for Acceptable Indoor Air Quality, specifies minimum ventilation rates and other measures for new and existing buildings to foster IAQ that is acceptable to human occupants and that minimizes adverse health effects.

Significant changes include:

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