- 30 July 2007 -

ASHRAE publishes 2007 residential IAQ standard

The 2007 version of ASHRAE’s residential indoor air quality (IAQ) standard, an adaptation of a version from 2004, is now available.

ANSI/ASHRAE Standard 62.2-2007, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings, is the only indoor air quality standard recognised in the US that has been developed solely for residences. It defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings.
Changes to the standard from the 2004 version include application of exceptions based on climate map zones vs. degree-day based, making it easier to apply the standard; inclusion of a new technology of condensing dryers that do not have an exhaust flow like traditional dryers; and a change in requirements for testing and rating ventilation fans.

www.ashrae.org

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