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http://dx.doi.org/10.5762/KAIS.2021.22.1.603

A study on the Increase in Construction Cost for Zero Energy Building  

Shim, Hong-Souk (Building Energy Management Division, Korea Energy Agency)
Lee, Sungjoo (Department of Industrial Engineering/Department of Artificial Intelligence, Ajou University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.22, no.1, 2021 , pp. 603-613 More about this Journal
Abstract
As a core policy for achieving the goal of reducing greenhouse gas emissions in the building sector, Korea has enforced the mandatory certification of zero energy buildings for new public buildings from 2020. This study suggests energy-saving technologies and economic factors that building officials can refer to for decision-making on the implementation of zero energy buildings. For this study, the construction cost for the energy item of a building was analyzed by collecting the building energy efficiency level certification data and detailed construction cost statement data from public institutions for the last three years. Based on the building energy efficiency certification data, each energy item of the baseline building was derived, and the energy performance of the zero energy building was derived through repetitive simulations by gradually increasing the energy performance value of the baseline building. By applying the analyzed construction cost, the construction cost for each energy item of the baseline and zero energy buildings was derived. As a result, the lighting equipment contributed up to 10.5% energy savings, and the increase in construction cost of the cooling and heating system was at least 9.1%.
Keywords
Zero Energy Building Certification; Building Energy Efficiency Certification; Building Construction Cost; Green House Gas Reduction; Building Energy Performance;
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