Economic and Energy Analysis of Building Retrofitting Using Internal Insulations
The energy-saving requirements for most buildings focus on improving the insulation and airtightness of a building’s envelope. In this paper, the authors have investigated the effect of additional internal insulation on energy consumption for heating and cooling in a residential building. Energy per...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-04-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/14/9/2446 |
| _version_ | 1797536338225922048 |
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| author | Małgorzata Basińska Dobrosława Kaczorek Halina Koczyk |
| author_facet | Małgorzata Basińska Dobrosława Kaczorek Halina Koczyk |
| author_sort | Małgorzata Basińska |
| collection | DOAJ |
| description | The energy-saving requirements for most buildings focus on improving the insulation and airtightness of a building’s envelope. In this paper, the authors have investigated the effect of additional internal insulation on energy consumption for heating and cooling in a residential building. Energy performance analyses were conducted for buildings with four internal thermal insulation systems in three locations using the WUFI Plus software. The Global Cost Method and Simply Pay Back Time have been used to assess and compare the economic viability of the retrofit systems. The results show that, in relation to energy, retrofitting with internal wall insulation can be an alternative to traditional external insulation. The assessment of internal insulation for low-energy buildings, however, cannot be conducted based on economic criteria. The usual approach of Simply Pay Back Time has exceptionally long payback time, which is unacceptable. In turn, the Global Cost Method, can only be used to compare the applied materials. With high investment costs, thermo-modernization improvements do not contribute to significant savings. The conditions of thermal comfort and the analysis of temperature and steam pressure play a decisive role in assessing this type of solution. |
| first_indexed | 2024-03-10T11:59:15Z |
| format | Article |
| id | doaj.art-c1255a57e1a441bc8020153734757bfc |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-10T11:59:15Z |
| publishDate | 2021-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-c1255a57e1a441bc8020153734757bfc2023-11-21T17:06:45ZengMDPI AGEnergies1996-10732021-04-01149244610.3390/en14092446Economic and Energy Analysis of Building Retrofitting Using Internal InsulationsMałgorzata Basińska0Dobrosława Kaczorek1Halina Koczyk2Institute of Environmental Engineering and Building Installations, Faculty of Environmental Engineering and Energy, Poznan University of Technology, 4 Berdychowo Str., 61-131 Poznań, PolandThermal Physics, Acoustics and Environment Department, Building Research Institute (ITB), 1 Filtrowa Str., 00-611 Warsaw, PolandInstitute of Environmental Engineering and Building Installations, Faculty of Environmental Engineering and Energy, Poznan University of Technology, 4 Berdychowo Str., 61-131 Poznań, PolandThe energy-saving requirements for most buildings focus on improving the insulation and airtightness of a building’s envelope. In this paper, the authors have investigated the effect of additional internal insulation on energy consumption for heating and cooling in a residential building. Energy performance analyses were conducted for buildings with four internal thermal insulation systems in three locations using the WUFI Plus software. The Global Cost Method and Simply Pay Back Time have been used to assess and compare the economic viability of the retrofit systems. The results show that, in relation to energy, retrofitting with internal wall insulation can be an alternative to traditional external insulation. The assessment of internal insulation for low-energy buildings, however, cannot be conducted based on economic criteria. The usual approach of Simply Pay Back Time has exceptionally long payback time, which is unacceptable. In turn, the Global Cost Method, can only be used to compare the applied materials. With high investment costs, thermo-modernization improvements do not contribute to significant savings. The conditions of thermal comfort and the analysis of temperature and steam pressure play a decisive role in assessing this type of solution.https://www.mdpi.com/1996-1073/14/9/2446envelope design standardsenergy savingsinternal wall insulationmoisture effects |
| spellingShingle | Małgorzata Basińska Dobrosława Kaczorek Halina Koczyk Economic and Energy Analysis of Building Retrofitting Using Internal Insulations Energies envelope design standards energy savings internal wall insulation moisture effects |
| title | Economic and Energy Analysis of Building Retrofitting Using Internal Insulations |
| title_full | Economic and Energy Analysis of Building Retrofitting Using Internal Insulations |
| title_fullStr | Economic and Energy Analysis of Building Retrofitting Using Internal Insulations |
| title_full_unstemmed | Economic and Energy Analysis of Building Retrofitting Using Internal Insulations |
| title_short | Economic and Energy Analysis of Building Retrofitting Using Internal Insulations |
| title_sort | economic and energy analysis of building retrofitting using internal insulations |
| topic | envelope design standards energy savings internal wall insulation moisture effects |
| url | https://www.mdpi.com/1996-1073/14/9/2446 |
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