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Article

Environmental Impact Assessment of Renovated Multi-Apartment Building Using LCA Approach: Case Study from Lithuania

by
Vidhyalakshmi Chandrasekaran
1,*,
Jolanta Dvarioniene
1,
Ausrine Vitkute
1 and
Giedrius Gecevicius
2
1
Institute of Environmental Engineering, Kaunas University of Technology, LT-44249 Kaunas, Lithuania
2
Faculty of Technologies, Kaunas University of Applied Sciences, LT-50468 Kaunas, Lithuania
*
Author to whom correspondence should be addressed.
Sustainability 2021, 13(3), 1542; https://doi.org/10.3390/su13031542
Submission received: 4 January 2021 / Revised: 23 January 2021 / Accepted: 27 January 2021 / Published: 1 February 2021
(This article belongs to the Section Sustainable Urban and Rural Development)

Abstract

In Europe, more than 75% of buildings are energy inefficient according to current energy standards. These buildings account for 40% of total energy consumption. Therefore, addressing the energy efficiency of existing buildings through various renovation measures remains of critical importance. In this study, two differently renovated multi-apartment buildings were selected to evaluate its environment impact using life cycle assessment. The buildings were built during the early 1980s, which did not meet the current energy efficiency standards. In recent times, these buildings were revised by Governmental agencies through the modernization process. The aim of the assessment is to study the environmental impacts associated with different renovation measures that has been carried out. This assessment covers the impact of new materials added, and the operational energy use. The study reveals that renovation stage accounts for 19% CO2 emission. The renovated buildings with renewable measures have a significant impact over climate change than the conventional renovation measures. Moreover, the potential savings in thermal energy used for space heating and domestic hot water preparation are 25% and 40% after conventional and renewable measures renovation, respectively. It was concluded that the total climate change potential could be reduced from 12% and 48% by retrofitting combined with renewable energy measures.
Keywords: residential buildings; multi-apartment buildings; renovation; environmental impact assessment; life cycle assessment residential buildings; multi-apartment buildings; renovation; environmental impact assessment; life cycle assessment

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MDPI and ACS Style

Chandrasekaran, V.; Dvarioniene, J.; Vitkute, A.; Gecevicius, G. Environmental Impact Assessment of Renovated Multi-Apartment Building Using LCA Approach: Case Study from Lithuania. Sustainability 2021, 13, 1542. https://doi.org/10.3390/su13031542

AMA Style

Chandrasekaran V, Dvarioniene J, Vitkute A, Gecevicius G. Environmental Impact Assessment of Renovated Multi-Apartment Building Using LCA Approach: Case Study from Lithuania. Sustainability. 2021; 13(3):1542. https://doi.org/10.3390/su13031542

Chicago/Turabian Style

Chandrasekaran, Vidhyalakshmi, Jolanta Dvarioniene, Ausrine Vitkute, and Giedrius Gecevicius. 2021. "Environmental Impact Assessment of Renovated Multi-Apartment Building Using LCA Approach: Case Study from Lithuania" Sustainability 13, no. 3: 1542. https://doi.org/10.3390/su13031542

APA Style

Chandrasekaran, V., Dvarioniene, J., Vitkute, A., & Gecevicius, G. (2021). Environmental Impact Assessment of Renovated Multi-Apartment Building Using LCA Approach: Case Study from Lithuania. Sustainability, 13(3), 1542. https://doi.org/10.3390/su13031542

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