The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece
The construction of nearly zero-emission buildings in Europe and internationally has become mandatory by legislation. In parallel with these developments, the non-reversible increase in ambient temperatures stresses the buildings’ energy systems during the summer months with extreme temperatures, wi...
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MDPI AG
2025-02-01
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| Online Access: | https://www.mdpi.com/1996-1073/18/5/1032 |
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| author | Antiopi-Malvina Stamatellou Tassos Stamatelos |
| author_facet | Antiopi-Malvina Stamatellou Tassos Stamatelos |
| author_sort | Antiopi-Malvina Stamatellou |
| collection | DOAJ |
| description | The construction of nearly zero-emission buildings in Europe and internationally has become mandatory by legislation. In parallel with these developments, the non-reversible increase in ambient temperatures stresses the buildings’ energy systems during the summer months with extreme temperatures, with their severity varying according to the local microclimate. These phenomena result in an increase in the summer cooling loads. Thus, the HVAC system’s performance during summer needs more careful study, especially for the residential sector and wherever the night cooling effect is no longer capable of releasing the stress. In the present work, the impact of climate change on a residential building’s energy performance is studied through energy simulations. The effect of the future increases in the intensity and duration of summer heat waves is assessed by exploiting the long-term forecasting capabilities of a transformer neural network model, trained by existing meteorological data for the period 2007–2023. Based on the forecasted climatic conditions for 2030 and 2040 produced in this way, the projected effects on the system’s energy performance are assessed. The long-term forecast was aided by 43 years of ambient temperature data for Europe, available through the ERA5 Copernicus program datasets. The respective predictions of the building’s HVAC electricity consumption during future summer heat wave episodes of long durations point to the necessity of special measures to keep the internal grid’s autonomy and reduce unwanted interactions with the external grid. Moreover, further improvements in nZEB building design for improved summer energy performance would be critical to the success of this policy during the next two decades. |
| format | Article |
| id | doaj-art-a231fc29494549628e75a15d2e3ffc19 |
| institution | DOAJ |
| issn | 1996-1073 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj-art-a231fc29494549628e75a15d2e3ffc192025-08-20T02:59:14ZengMDPI AGEnergies1996-10732025-02-01185103210.3390/en18051032The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, GreeceAntiopi-Malvina Stamatellou0Tassos Stamatelos1Department of Mechanical Engineering, University of Thessaly, 38221 Volos, GreeceDepartment of Mechanical Engineering, University of Thessaly, 38221 Volos, GreeceThe construction of nearly zero-emission buildings in Europe and internationally has become mandatory by legislation. In parallel with these developments, the non-reversible increase in ambient temperatures stresses the buildings’ energy systems during the summer months with extreme temperatures, with their severity varying according to the local microclimate. These phenomena result in an increase in the summer cooling loads. Thus, the HVAC system’s performance during summer needs more careful study, especially for the residential sector and wherever the night cooling effect is no longer capable of releasing the stress. In the present work, the impact of climate change on a residential building’s energy performance is studied through energy simulations. The effect of the future increases in the intensity and duration of summer heat waves is assessed by exploiting the long-term forecasting capabilities of a transformer neural network model, trained by existing meteorological data for the period 2007–2023. Based on the forecasted climatic conditions for 2030 and 2040 produced in this way, the projected effects on the system’s energy performance are assessed. The long-term forecast was aided by 43 years of ambient temperature data for Europe, available through the ERA5 Copernicus program datasets. The respective predictions of the building’s HVAC electricity consumption during future summer heat wave episodes of long durations point to the necessity of special measures to keep the internal grid’s autonomy and reduce unwanted interactions with the external grid. Moreover, further improvements in nZEB building design for improved summer energy performance would be critical to the success of this policy during the next two decades.https://www.mdpi.com/1996-1073/18/5/1032micro-gridsnearly zero-emission buildingsclimate changedeep neural networksbuilding energy simulationHVAC system sizing |
| spellingShingle | Antiopi-Malvina Stamatellou Tassos Stamatelos The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece Energies micro-grids nearly zero-emission buildings climate change deep neural networks building energy simulation HVAC system sizing |
| title | The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece |
| title_full | The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece |
| title_fullStr | The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece |
| title_full_unstemmed | The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece |
| title_short | The Implications of Long-Term Local Climate Change for the Energy Performance of an nZEB Residential Building in Volos, Greece |
| title_sort | implications of long term local climate change for the energy performance of an nzeb residential building in volos greece |
| topic | micro-grids nearly zero-emission buildings climate change deep neural networks building energy simulation HVAC system sizing |
| url | https://www.mdpi.com/1996-1073/18/5/1032 |
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