Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study
The paper considers the issue of the thermal refurbishment of residential buildings built between 10 and 40 years ago in some European countries. It suggests that, while facade retrofitting is the most effective solution for older dwellings, all actions are equally less effective for newer dwellings...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-01-01
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| Series: | Buildings |
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| Online Access: | https://www.mdpi.com/2075-5309/14/2/332 |
| _version_ | 1797298752637108224 |
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| author | Radoslav Ponechal Jozef Jandačka Pavol Ďurica |
| author_facet | Radoslav Ponechal Jozef Jandačka Pavol Ďurica |
| author_sort | Radoslav Ponechal |
| collection | DOAJ |
| description | The paper considers the issue of the thermal refurbishment of residential buildings built between 10 and 40 years ago in some European countries. It suggests that, while facade retrofitting is the most effective solution for older dwellings, all actions are equally less effective for newer dwellings built in this millennium. According to the current situation, as society shifts away from the use of fossil fuels, this paper presents the expected energy and financial savings that were calculated using one of four different heating sources. The study shows that the efficiency of the additional thermal retrofitting of the structures is low when the building is heated with a heat pump. The addition of thermal insulation to already well-insulated roofs or floors results in minimal savings of approximately 0.15 kWh per square meter of heated floor area per year. The potential advantage of replacing existing windows with new windows in a top thermal quality was shown. After window replacement, the financial benefits could be twice as high in houses heated by district heating compared to houses heated by gas or a heat pump, including an alternative heat pump with photovoltaics. |
| first_indexed | 2024-03-07T22:39:34Z |
| format | Article |
| id | doaj.art-4444baa9c10a416dbd10dd3ccedead1a |
| institution | Directory Open Access Journal |
| issn | 2075-5309 |
| language | English |
| last_indexed | 2024-03-07T22:39:34Z |
| publishDate | 2024-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Buildings |
| spelling | doaj.art-4444baa9c10a416dbd10dd3ccedead1a2024-02-23T15:09:56ZengMDPI AGBuildings2075-53092024-01-0114233210.3390/buildings14020332Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation StudyRadoslav Ponechal0Jozef Jandačka1Pavol Ďurica2Department of Building Engineering and Urban Planning, Faculty of Civil Engineering, University of Zilina, Univerzitna 8215/1, 010 26 Zilina, SlovakiaDepartment of Power Engineering, Faculty of Mechanical Engineering, University of Zilina, Univerzitna 8215/1, 010 26 Zilina, SlovakiaDepartment of Building Engineering and Urban Planning, Faculty of Civil Engineering, University of Zilina, Univerzitna 8215/1, 010 26 Zilina, SlovakiaThe paper considers the issue of the thermal refurbishment of residential buildings built between 10 and 40 years ago in some European countries. It suggests that, while facade retrofitting is the most effective solution for older dwellings, all actions are equally less effective for newer dwellings built in this millennium. According to the current situation, as society shifts away from the use of fossil fuels, this paper presents the expected energy and financial savings that were calculated using one of four different heating sources. The study shows that the efficiency of the additional thermal retrofitting of the structures is low when the building is heated with a heat pump. The addition of thermal insulation to already well-insulated roofs or floors results in minimal savings of approximately 0.15 kWh per square meter of heated floor area per year. The potential advantage of replacing existing windows with new windows in a top thermal quality was shown. After window replacement, the financial benefits could be twice as high in houses heated by district heating compared to houses heated by gas or a heat pump, including an alternative heat pump with photovoltaics.https://www.mdpi.com/2075-5309/14/2/332residential buildingthermal retrofittingenergy sourceenergy efficiency |
| spellingShingle | Radoslav Ponechal Jozef Jandačka Pavol Ďurica Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study Buildings residential building thermal retrofitting energy source energy efficiency |
| title | Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study |
| title_full | Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study |
| title_fullStr | Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study |
| title_full_unstemmed | Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study |
| title_short | Evaluation of Residential Buildings Savings for Various Envelope Retrofits and Heating Energy Sources: A Simulation Study |
| title_sort | evaluation of residential buildings savings for various envelope retrofits and heating energy sources a simulation study |
| topic | residential building thermal retrofitting energy source energy efficiency |
| url | https://www.mdpi.com/2075-5309/14/2/332 |
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