Dynamic Window Technologies for Energy Efficiency in Condominiums in Tropical Climates

Orakanya Nguansonsakul (), Juntakan Taweekun, Yanjun Dai and Tianshu Ge
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Orakanya Nguansonsakul: Energy Technology Program, Faculty of Engineering, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand
Juntakan Taweekun: Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand
Yanjun Dai: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Tianshu Ge: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Sustainability, 2024, vol. 16, issue 23, 1-20

Abstract: This study investigates the application of dynamic window technologies in condominiums located in hot and humid climates, focusing on Thailand. The research integrates both passive and active window designs aimed at reducing energy consumption by maximizing natural ventilation and daylight, while minimizing heat gain. Dynamic windows, equipped with shading devices, automated controls, and stack-effect ventilation, can achieve significant energy savings by decreasing the need for air conditioning and artificial lighting. The energy performance was assessed through simulations based on Thailand’s Building Energy Code (BEC), resulting in a potential reduction in energy consumption by 3.29 kWh/m 2 annually or approximately 1.6% annually. Moreover, economic analysis showed that applying dynamic windows in condominiums could save up to 506.38 baht per room per year. The lifecycle cost analysis supports their long-term financial viability, achieving payback within 18.4 years and generating further net savings post-payback. The study concludes that dynamic windows are both scalable and sustainable, offering a viable solution for urban developments in tropical regions.

Keywords: dynamic window technologies; energy efficiency; condominiums; passive design; tropical climates; sustainability (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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