Abstract
Energy savings from energy efficiency improvements are necessary to achieve energy savings and carbon neutrality goals in buildings. Additional energy savings can be achieved by strengthening building design standards. However, in Vietnam, standards have not been disaggregated despite the diversity of climatic conditions in each region. Therefore, disaggregating standards according to climatic characteristics and applying appropriate technologies can lead to cost-effective energy efficiency improvements. Therefore, this study analyzed Vietnam's climate characteristics and legal standards to propose energy-saving technologies suitable for Vietnam's climate. In order to explore energy-saving technologies suitable for the climate, regional meteorological data of Vietnam and South Korea were analyzed, and in order to propose energy-saving technologies considering climate characteristics and evaluate the efficiency of the technologies, the energy-saving potential was analyzed for four applications in the capital city of Hanoi. Based on the analysis results, the proposed insulation standards were well adapted to local conditions, and the study was able to verify the optimal energy-saving technologies according to climate conditions. These findings can be used as a basis for establishing regional standards for passive technologies in the future.
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