Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea
In South Korea, green remodeling policies have been promoted to improve the energy performance of buildings, especially old buildings. Moreover, simultaneous improvement of both energy and structural performance has emerged as an important issue. Although several proposals have been made by differen...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-06-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/16/13/4961 |
| _version_ | 1827734965443362816 |
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| author | Jeong-Heum Cho Sangmu Bae Yujin Nam |
| author_facet | Jeong-Heum Cho Sangmu Bae Yujin Nam |
| author_sort | Jeong-Heum Cho |
| collection | DOAJ |
| description | In South Korea, green remodeling policies have been promoted to improve the energy performance of buildings, especially old buildings. Moreover, simultaneous improvement of both energy and structural performance has emerged as an important issue. Although several proposals have been made by different governments for the improvement of energy and structural performance, most were related to technological development or construction methods. Therefore, to simultaneously improve the energy and structural performance of old buildings, in this study, we performed an analysis to evaluate the feasibility of improvement based on an actual case of green remodeling of an old building. In addition, the expected social effects were analyzed by examining the effect of fiscal expenditure on employment, considering personnel and operating expenses. As a result, primary energy consumption was reduced by approximately ≥48% after green remodeling, and CO<sub>2</sub> emissions during the building operation stage were reduced by approximately ≥46%. When green remodeling and structural retrofitting were performed concurrently, the construction cost was reduced by approximately ≥27% when overlapping items in the construction schedule were optimized. These findings are relevant to the setting of goals and the establishment of strategies during green remodeling and structural retrofitting of old buildings. |
| first_indexed | 2024-03-11T01:42:38Z |
| format | Article |
| id | doaj.art-039cf4f98a5d4c509bf813b44f3c29f1 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-11T01:42:38Z |
| publishDate | 2023-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-039cf4f98a5d4c509bf813b44f3c29f12023-11-18T16:28:20ZengMDPI AGEnergies1996-10732023-06-011613496110.3390/en16134961Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South KoreaJeong-Heum Cho0Sangmu Bae1Yujin Nam2Department of Architectural Engineering, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Republic of KoreaResearch Institute of Industrial Technology, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Republic of KoreaDepartment of Architectural Engineering, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Republic of KoreaIn South Korea, green remodeling policies have been promoted to improve the energy performance of buildings, especially old buildings. Moreover, simultaneous improvement of both energy and structural performance has emerged as an important issue. Although several proposals have been made by different governments for the improvement of energy and structural performance, most were related to technological development or construction methods. Therefore, to simultaneously improve the energy and structural performance of old buildings, in this study, we performed an analysis to evaluate the feasibility of improvement based on an actual case of green remodeling of an old building. In addition, the expected social effects were analyzed by examining the effect of fiscal expenditure on employment, considering personnel and operating expenses. As a result, primary energy consumption was reduced by approximately ≥48% after green remodeling, and CO<sub>2</sub> emissions during the building operation stage were reduced by approximately ≥46%. When green remodeling and structural retrofitting were performed concurrently, the construction cost was reduced by approximately ≥27% when overlapping items in the construction schedule were optimized. These findings are relevant to the setting of goals and the establishment of strategies during green remodeling and structural retrofitting of old buildings.https://www.mdpi.com/1996-1073/16/13/4961building retrofittingenergy retrofittinggreen energyenergy performancestructural performanceeconomic analysis |
| spellingShingle | Jeong-Heum Cho Sangmu Bae Yujin Nam Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea Energies building retrofitting energy retrofitting green energy energy performance structural performance economic analysis |
| title | Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea |
| title_full | Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea |
| title_fullStr | Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea |
| title_full_unstemmed | Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea |
| title_short | Analysis of the Energy and Economic Effects of Green Remodeling for Old Buildings: A Case Study of Public Daycare Centers in South Korea |
| title_sort | analysis of the energy and economic effects of green remodeling for old buildings a case study of public daycare centers in south korea |
| topic | building retrofitting energy retrofitting green energy energy performance structural performance economic analysis |
| url | https://www.mdpi.com/1996-1073/16/13/4961 |
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