A Study of Subjective Assessment: Hybrid Lighting with Automatic Control or Traditional Lighting with Manual Control?

In order to compare a hybrid lighting system with automatic control to a traditional lighting system withmanual control, a subjective assessment study was carried out in two rooms at the TechnicalUniversity of Istanbul. In the test room, a light shelf system equipped with automatic control wasinstalled and in the reference room, a manually controlled traditional lighting system was installed. Therooms were occupied by 20 subjects for specific periods of time, at the end of which, paper-basedquestionnaires were introduced. The questionnaires contained questions concerning visual comfort,satisfaction and the subject's opinion on lighting systems with automatic control. The results of thequestionnaires show an increase in the lighting satisfaction from the traditional lighting system to thehybrid lighting system, and a positive opinion of lighting systems with automatic control.