In March 2010 a group of researchers from Quebec, Canada tested the visual quality and comfort of different types of window glazing in a typical office space. What they discovered may change the way architects think about window glazing in office buildings.
Based on an oral questionnaire, a written questionnaire, and ratings from the Karolinska Sleepiness Scale (KSS), the researchers compared the visual comfort, naturality, pleasantness, precision, and light level of blue, bronze and neutral glass experienced by each of the thirty-six participants. The results from each survey were combined and given an average score so that researchers could compare the three colors of window glazing.
They discovered that blue glazing actually increased the participants’...