The 2013 version of ASHRAE’s indoor air quality standard contains a lot of improvements, the society says.

Standard 62 from the American Society of Heating, Refrigeration and Air-Conditioning Engineers, “Ventilation for Acceptable Indoor Air Quality,” incorporates 10 changes and an appendix to reflect changes.

“The 2013 version of Standard 62.1 continues the trend of increasing clarity while adding flexibility,” said Roger Hedrick, chairman of the committee that handled the updates. “These changes will allow designers and building operators to meet the requirements of the standard and provide adequate ventilation airflow to occupants while reducing excess ventilation and the associated energy consumption.”

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