Integrating operational and embodied CO2 emissions: a comprehensive life cycle approach to buildings’ system-installations retrofitting with a new indicator
Artykuł w czasopiśmie
MNiSW
140
Lista 2024
| Status: | |
| Autorzy: | Broniewicz Elżbieta, Rynkowski Piotr, Sadowska Beata, Werner-Juszczuk Anna Justyna, di Schio Eugenia Rossi, Valdiserri Paolo, Kłopotowski Maciej, Babiarz Bożena, Siuta-Olcha Alicja, Cholewa Tomasz, Krawczyk Dorota Anna |
| Dyscypliny: | |
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| Rok wydania: | 2026 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Wolumen/Tom: | 366 |
| Numer artykułu: | 117716 |
| Strony: | 1 - 24 |
| Impact Factor: | 7,1 |
| Web of Science® Times Cited: | 0 |
| Scopus® Cytowania: | 0 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Finansowanie: | The research leading to these results was conducted as a part of the project “VIA CARPATIA Universities of Technology Network named after the President of the Republic of Poland Lech Kaczynski”, the Minister of Science, contract no.MEiN/2022/DPI/2575, MEiN/2022/DPI/2577, MEiN/2022/DPI/2578, action entitled “ISKRA—building inter-university research teams”. |
| Materiał konferencyjny: | NIE |
| Publikacja OA: | TAK |
| Licencja: | |
| Sposób udostępnienia: | Witryna wydawcy |
| Wersja tekstu: | Ostateczna wersja opublikowana |
| Czas opublikowania: | W momencie opublikowania |
| Data opublikowania w OA: | 28 maja 2026 |
| Abstrakty: | angielski |
| In the context of increasing energy efficiency requirements and climate neutrality goals for the building sector, evaluating comprehensive retrofit strategies for existing public buildings has become a key research and policy priority. This study presents a comprehensive life-cycle assessment (LCA) of energy retrofit strategy for a 40-year-old public kindergarten in Poland. The analysis evaluates twelve cumulative retrofit scenarios encompassing both building envelope enhancements and technical system upgrades. Envelope improvements include stepwise insulation of the entrance canopy, external walls, flat roof, basement walls, and replacement of windows and doors. Technical system interventions span the retrofitting of domestic hot water (DHW) and central heating (CH) systems, replacement of the heat source with an air-source heat pump (ASHP), and integration of rooftop photovoltaic (PV) panels and battery energy storage. Each scenario’s impact on energy demand and CO2 emissions was quantified over a 30-year service life using averaged local climate data. Results demonstrate that envelope retrofits can achieve up to 60% reduction in final energy demand, while technical upgrades, particularly the transition to a high-efficiency ASHP and renewable electricity integration, can yield over 90% total energy savings. A novel indicator was introduced to assess CO2 reduction efficiency per unit of energy saved. While the LCA followed standard methodologies by focusing on product and operational stages, the study acknowledges limitations related to the exclusion of demolition and waste phases, which may underestimate total environmental impacts. Thus, there is a need for future studies in this area. |
