PASSIVE COOLING IN EARTH-SHELTERED HOMES: NATURAL STRATEGIES FOR ENERGY EFFICIENCY IN COOBER PEDY, AND YAODONG

The growing demand for energy-efficient architecture has led to renewed interest in passive cooling techniques, particularly in earth-sheltered homes. These structures, built partially or entirely underground, leverage the thermal stability of the earth to maintain comfortable indoor temperatures with minimal energy consumption. This study examines underground homes in Coober Pedy, Australia, and Yaodong, China, focusing on their natural cooling mechanisms and architectural strategies. Using a mixed-methods approach, including a literature review, architectural analysis, and interviews with architects familiar with these structures, the research identifies key design elements such as thermal mass, subterranean depth, and ventilation systems that contribute to their energy efficiency. The findings reveal that these strategies effectively reduce temperature fluctuations, making them a sustainable alternative to conventional cooling systems. Additionally, the study discusses the feasibility of adapting these passive cooling techniques to modern urban settings. The research concludes that underground architecture offers significant potential for energy conservation and sustainable housing solutions in a warming climate.

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