Mutual Interaction of Daylight and Overheating in the Attic Space in Summer Time

The classroom space located in the attic of an old building is subject this study. was renovated and new spaces were created unused to expand classrooms. original under sloping roof not used because its internal headroom suitable. During restoration, entire truss raised gradually (in parts) by 1.2 m. This a with area that can be for Continuous strips vertical windows measuring 860/600 mm installed which enable visual connection between interior exterior. At level, there are also two rows skylights above each other ensure enough daylight present but create unpleasant overheating summer. purpose study find way optimize shading transparent surfaces heat accumulation structures order achieve suitable conditions attic. task achieved Shaded decrease illumination 82% compared unshaded ones. percentage more significant than maximum temperature due overheating. Additionally, drops only 31% if skylight shaded external blinds windows. minimum air reached 26%. In users feel comfortable, it necessary use HVAC equipment addition design suitably built window shading.