Effect of Indoor Environmental Quality on Visual Comfort and Productivity in Office Buildings

Amit Kaushik, Mohammed Arif, John Ebohon, Hord Arsalan, Mohammed Rana, Lovelin Obi

    Research output: Contribution to journalArticlepeer-review


    Visual environment is one of the most important indoor environmental quality
    parameters and directly impacts occupant productivity in offices. The literature outlines the significance of the impact. Still, there is a lack of investigation, statistical analysis, and inter-relationships between the independent variables (indoor environmental quality factors), especially in the hot and arid climate. This study presents a research study investigating the effects and shows statistical relationships between indoor environmental quality on occupant comfort and productivity. The study was conducted in the Middle East, and data were collected for 12 months. It used the Response Surface Analysis to perform analysis. It outlined seven unique relationships highlighting the recommended range, inter-dependencies. Results include that illumination has maximum effect on visual comfort and temperature, daylight having direct influence and relative humidity, wall type next to the seat and kind of workspace
    also have an impact on visual comfort and productivity. These findings would help to improve occupant comfort and productivity in office buildings. It is recommended to include results and recommendations on design guidelines for office buildings. This paper presents the unique effects of non-visual indoor environmental quality parameters on visual comfort and productivity. This investigation also provides a unique method to develop the statistical relationship between various indoor environmental factors and productivity in different contexts and buildings.
    Original languageEnglish
    JournalJournal of Engineering Design and Technology
    Publication statusAccepted/In press - 3 Oct 2021


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