In building facades, especially in case of office buildings usage of glass has become quite common. These facades provide a visual connectivity with the exteriors, enhance daylighting and provide better aesthetics for such spaces. Solar protection system for a glazed facade should control the direct solar radiation transmission and avoid the ill effects on occupant comfort. In this context, studies have been carried out in two open plan- conditioned office building of a warm humid climate. In situ experimental measurements accompanied by subjective surveys have been performed to evaluate the...