New requirements to ensure that the ventilation system design is implemented in buildings and then functions throughout the life of buildings have been included in the ASHRAE 2001 ventilation standard. ANSI/ASHRAE Standard 62-2001, Ventilation for Acceptable Indoor Air
Quality, sets minimum ventilation rates and other requirements for commercial and institutional buildings.
The 2001 standard incorporates the 1999 standard as well as seven new addenda. Addendum 62l adds a new section on construction and ventilation system start-up, recognizing that acceptable indoor air quality is impacted by more than just the design of the HVAC system.