Buildings in Hot Climate Zones—Quantification of Energy and CO 2 Reduction Potential for Different Architecture and Building Services Measures

Doris Österreicher () and Axel Seerig
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Doris Österreicher: Institute for Building Materials, Building Physics, Building Systems and Design, University of Stuttgart, 70174 Stuttgart, Germany
Axel Seerig: Institute of Building Technology and Energy, Lucerne University of Applied Sciences and Arts, 6002 Luzern, Switzerland

Sustainability, 2024, vol. 16, issue 22, 1-21

Abstract: Reducing energy and associated greenhouse gas emissions in buildings is one of the key aspects of climate change on a global level. To put the building sector on a low carbon development path, policies and adequate financing play a crucial role in each region. In the global South, policies and regulations related to the decarbonization of the building stock are increasingly being implemented. For policy and decision makers, adequate data on the status quo of the building stock, as well as the quantification of energy reduction measures, are essential to make informed decisions on the building regulatory and funding framework. The objective of this study is to provide data-driven insights into the potential for energy and CO 2 reduction in buildings across various hot climate zones in the Global South. A simulation-based approach was employed to model five different building types, ranging from residential homes to office buildings, under a variety of architectural and building services scenarios. The simulations were conducted using the dynamic building energy simulation tool EnergyPlus, which assessed the impact of various energy-saving measures under both current and projected future climate conditions. This study concludes that optimizing passive design features, such as improved windows, solar shading, and reflective surfaces, in conjunction with active systems like decentralized cooling units and renewable energy integration, can result in a notable reduction in energy demand and emissions. Our findings provide a robust basis for policymakers to develop targeted energy efficiency strategies for buildings in hot climate zones, which will play a crucial role in achieving climate goals in the Global South.

Keywords: energy efficient buildings; CO 2 reduction in buildings; buildings in hot climates; policy support; energy efficiency in the global south; building stock optimization in hot climates; building stock decarbonization in hot climates (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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