Calculating The Energy Efficiency of a Building with Additional Shading DeviceMuhammad I. Hasan, Muhammad R. Fauzi, Mokhammad K. Husodo, Ratih Widiastuti, Chely N. Bramiana, Bintang N. Prabowo and Wardah F. M. YusoffE3S Web Conf., 674 (2025) 05001DOI: https://doi.org/10.1051/e3sconf/202567405001