Multifamily units in all types of buildings are now covered in the scope of ASHRAE’s residential indoor air quality standard, marking one of the biggest changes to the recently published 2016 version. ANSI/ASHRAE Standard 62.2-2016, Ventilation and Acceptable Indoor Air Quality in Residential Buildings, 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 residential buildings. Prior to this edition multifamily residential buildings four stories or above fell under the scope of ANSI/ASHRAE Standard 62.1, Ventilation for Acceptable Indoor Air Quality.
In the 1990s, it seemed that everyone was talking about sick building syndrome (SBS) — it was on the news, in the paper, and, of course, in trade magazines. Speculation was rife over what was causing symptoms such as headaches, dizziness, nausea, and fatigue in certain building occupants. After it came to light that inadequate ventilation was one of the primary causes of SBS, the HVAC industry started looking for solutions…. more on achrnews.com