Energy Performance Assessment: Impact of Blind and Shading on Double Skin Facade Performance
DOI:
https://doi.org/10.20868/ade.2025.5567Keywords:
building energy savings, building energy performance assessment, double skin facade, design builder softwareAbstract
The integration of blinds and an overhang within double skin facades (DSFs) presents an opportunity to enhance building energy performance significantly. This study investigates the impact of an inside blind and an overhang on DSF performance through simulations conducted on an office building in Madrid and Copenhagen using DesignBuilder software. The analysis compares scenarios with and without these solar control elements, considering parameters such as cooling and heating loads. Results show that integrating an internal blind within the DSF reduced annual cooling load by up to 16.4% in Copenhagen and 6.4% in Madrid. Furthermore, combining the overhang at variable angles with the blind results in additional cooling load reductions, with the 45° configuration proving to be the most effective strategy. Interestingly, shading strategies showed minimal impact on heating loads in moderate climates, with observed increases ranging from 0.8% to 3.3%. Overall, the findings highlight the potential of DSFs with integrated internal blinds and overhangs for optimizing building energy performance, particularly in moderate climates.
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