Aim: The objective of this research paper is to investigate users’ perception of indoor environmental quality in present-day mosques, focusing on thermal comfort, acoustical comfort, visual comfort and indoor air quality. The study consists of three main parts: literature review, evaluation of user satisfaction survey, and discussion of the research findings. Method: A user’s satisfaction survey was conducted to ten mosques’ users built in the last three decades in Nilufer district, inBursa. The questionnaires were applied to users subjecting indoor comfort parameters of the mosques. In accordance with the survey data, the level of user satisfaction is scored using a 5-point Likert scale for each mosque. Results: The users’ physical performances during worhsip are directly related to the indoor comfort conditions provided in the built environment. In the research findings part, investigated comfort parametersof the survey are presented in tables. Survey results show that the perceptions of comfort for all ten mosques can be considered to be positive, except negative views relating to indoor air quality and visual discomfort in one mosque. Conclusion: The research findings of the interaction between the indoor environment and users can be transferred into the design process of new mosques considering thermal, visual, auditory parameters required for occupant’s well-being and comfort.
Keywords: Mosque, Indoor Environmental Quality, Comfort, User Satisfaction