ASHRAE Proposes Alternate Compliance Path for Existing Buildings in IAQ Standard

Recognizing that the ventilation rate procedure in its IAQ standard may be difficult to apply in existing buildings, ASHRAE is proposing an alternate compliance path. Proposed addendum b is one of six addenda to ANSI/ASHRAE Standard 62.1-2013, Ventilation for Acceptable Indoor Air Quality, now open for public comment until Oct. 5, 2014.