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2nd Public Review of ASHRAE Guideline 10P, Interactions Affecting the Achievement of Acceptable Indoor Environments
Proposed Guideline 10 looks at four of the primary goals of an acceptable indoor environment—good air quality, thermal comfort, good lighting, and good acoustics—and examines the various interactions that can occur when trying to achieve the larger goal of an acceptable indoor environment.
For example, ASHRAE Standards 55 and 62 (62.1 and 62.2) focus on thermal comfort and acceptable ventilation/IAQ separately but do not address the interactions that come into play when an acceptable indoor environment is defined to include both goals, let alone the many and sometimes conflicting objectives that factor into an acceptable indoor environment. Although current knowledge on interactions between and among the factors that most affect occupants of indoor environments is limited, it has significant implications for those who are responsible for the quality of the indoor environment. The aim of this guideline is to help people understand and use all of the documents that deal with indoor environments, such as ASHRAE Standards 55, 62.1, and 62.2 and the ASHRAE Indoor Air Quality Guide, as a whole rather than separately. Primarily Guideline 10 focuses on thermal conditions and indoor air quality (IAQ) and the interactions between these environmental conditions as they affect the acceptability of the overall indoor environment. In addition, but to a lesser extent, it also addresses mechanical energy (including noise and vibration) and electromagnetic radiation (including environmental lighting, ultraviolet and infrared radiation) as additional sources of interactions affecting the acceptability of the indoor environment as well as limitations that exist in the ability to achieve acceptability. This second public review draft has been revised based upon comments received during the first public review from May 6 to June 20, 2005.