| Title |
Evaluating the Impact and Factors Affecting Green-Remodeling Projects on Public Buildings in Chungcheong |
| Authors |
최윤경(Choi, Yunkyung) ; 김주은(Kim, Jueun) ; 신서연(Shin, Seoyeon) ; 김관호(Kim, Gwanho) ; 최윤정(Choi, Yoon Jung) |
| DOI |
https://doi.org/10.5659/JAIK.2025.41.1.225 |
| Keywords |
Public Buildings; Green-Remodeling; Project Effects; Key Factors; Building Energy Performance; Chungcheong Region |
| Abstract |
This study evaluates the impact of 2021 green-remodeling (GR) projects for public buildings in the Chungcheong region, providing insights
for future initiatives. Energy performance reports from 126 public buildings were analyzed to assess changes in energy efficiency,
environmental impact, and economic outcomes. Statistical and content analyses were conducted to compare energy performance before and
after the projects. The buildings included public health clinics, sub-centers, and daycare centers, with an average of 4.7 GR items
implemented per building. The projects significantly improved energy efficiency, reducing energy demand by 27.6 kWh/㎡·yr or 23.9 %,
energy consumption by 33.6 kWh/㎡·yr or 31.5 %, and primary energy consumption by 70.1 kWh/㎡·yr or 30.1 %. These improvements
raised the average building energy efficiency rating by 1.2 grades. Environmental benefits included a reduction of 442,813.2 kgCO2eq/yr in
greenhouse gas emissions, equivalent to planting approximately 51,119 pine trees, creating 456,009 ㎡ of forest, or replacing 179.62 cars
annually. The projects, funded by a 26.97 billion KRW budget, generated an estimated economic impact of 59.2 billion KRW in production
inducement and 408.6 new jobs. The analysis showed that incorporating more GR items, particularly passive elements such as walls, roofs,
and windows, led to greater energy efficiency. Additionally, larger buildings achieved more substantial greenhouse gas reductions through
improved energy performance. These results highlight the significant environmental and economic benefits of GR projects and emphasize the
importance of continuing such initiatives while applying the key factors identified in this study. |