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Conference Object Mold Growth Affecting the Achievement of NZEB in the Long Term in Tropical Climates(Free University of Bozen Bolzano, 2025) Carpino, Cristina; Austin, Miguel Chen; Turhan, Cihan; Mora, Dafni Y.; Arcuri, N.The net-zero energy concept significantly impacts global goals regarding energy accessibility (SDG 7) and responsible consumption (SDG 12), particularly in the building sector, which accounts for substantial energy use and greenhouse gas emissions. While extensive research on Net Zero Energy Buildings (NZEB) has focused on the global north, tropical regions require further study, where high solar radiation, temperatures, and humidity challenge building performance throughout the year. Addressing problems like mold growth caused by these tropical climate aspects can undermine NZEB's performance. This study aims to evaluate the impact of mold growth on a representative building under the tropical climate of Panama City (high temperatures and humidity) and Boquete (low temperatures and high humidity). Long-term hygrothermal and energy performance analyses are conducted using simulation software to assess when and how mold growth affects building performance. Mold can harm the health of occupants and increase energy consumption, as additional humidity control devices may be required after the building's design phase. © 2025 Elsevier B.V., All rights reserved.Article Evaluating Space Efficiency Practices in Tehran's High-Rise Buildings: A Structural and Architectural Perspective(Wiley, 2025) Mazaherylaghab, Hamed; Haghi, Marzieh; Ilgin, Huseyin Emre; Aslantamer, Ozlem NurSpatial efficiency in Tehran's high-rise building design is shaped by a complex blend of multiple factors such as architectural and structural considerations. Tehran's innovative and flexible strategies have allowed the city to address the complexities of high-rise design considerations, resulting in the creation of some of the most progressive and sustainable tall buildings in the Middle East. However, detailed studies on space utilization in Tehran's tall towers remain scarce. This article addresses this gap by analyzing 48 case study towers, revealing key trends such as the dominance of residential functions, central core designs, prismatic forms, and the frequent use of steel rigid frame systems. The analysis revealed an average spatial efficiency of 91% in Tehran's towers, with a core-to-GFA (gross floor area) ratio of only 6%, exceeding typical efficiency ratios observed in other regions, though shaped by Tehran's specific urban and economic context. These findings promote sustainability and provide crucial insights for construction professionals, supporting the informed decision-making process for tall building projects in Tehran and other densely urbanized areas.
