Impact Of Glazed Facades On Daylight Quality In The Case Of Selected Office Buildings In Addis Ababa, Ethiopia.

Abstract

Natural light had a significant impact on our surroundings. Glazed facades, which use glass served as an effective light medium. However, glazed facade was a challenge for disturbing the quality of daylight in office buildings. Research evaluating the impact of glazed building facades on the daylight quality within office buildings in the context of Ethiopia was inadequate. The primary objective of the research, was to thoroughly assess how glazed facades affected the quality of daylight in specific office buildings. The study collected and analysed data using a combination of quantitative and qualitative methods, with the purpose of providing a comprehensive understanding of the relationship and impact of glass facades on daylight quality in office building. The quantitative component of the study involved measuring natural light levels in office spaces with window facades using light meters and sensors to obtain precise data. The findings of the study were expected to be revealed, and based on the findings, a solution was given to the problem. The current day lighting conditions of office buildings that utilizes glazed facades has been examined through the respondents’ background which resulted discomfort due to the presence of over illumination and based on simulation analysis the effects of glazed facade on daylight quality has resulted in over illumination and glare. Based on the findings, the study proposed a model- based design for enhancing daylight quality in office buildings where the occupants can perform their day today activity.