A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Retrofitting Focus on Vulnerable Residential Buildings in Winter
Abstract The fight against climate change demands improvements in existing constructions to adopt them to the objective of a reduction of energy consumption and of CO2 emissions. At present, in Spain and in other European countries, we have a large quantity of inefficient residential building stock, for example the dwellings which were constructed before the approval of the first thermal condition regulations for buildings. Hitherto, the strategy has been to prioritize the reduction of energy demands during the winter, as the highest percentage of energy consumption in the European Union is used for heating. By means of monitoring and simulation, we have detected the key factors which affect the energy demands of these buildings, and found the appropriate indoor temperatures for well-being and health. We present cases of monitored dwellings in which different situations may be compared, both those of construction factors and of use and socioeconomic conditions. These show the very different temperatures reached in buildings, where the thermal envelope has and has not been retrofitted. In addition, we show retrofitting measures for the thermal envelope which allow for a reduction in the energy demands for heating and an increase in user comfort, particularly that of the most vulnerable population groups. On this point, the user patterns for heating are highlighted. Lastly, the reduction in demands which would be produced in different European cities with the application of these retrofitting measures is compared to the present-day scenario and in the 2050 future in accordance with climate change predictions.
Retrofitting Focus on Vulnerable Residential Buildings in Winter
Abstract The fight against climate change demands improvements in existing constructions to adopt them to the objective of a reduction of energy consumption and of CO2 emissions. At present, in Spain and in other European countries, we have a large quantity of inefficient residential building stock, for example the dwellings which were constructed before the approval of the first thermal condition regulations for buildings. Hitherto, the strategy has been to prioritize the reduction of energy demands during the winter, as the highest percentage of energy consumption in the European Union is used for heating. By means of monitoring and simulation, we have detected the key factors which affect the energy demands of these buildings, and found the appropriate indoor temperatures for well-being and health. We present cases of monitored dwellings in which different situations may be compared, both those of construction factors and of use and socioeconomic conditions. These show the very different temperatures reached in buildings, where the thermal envelope has and has not been retrofitted. In addition, we show retrofitting measures for the thermal envelope which allow for a reduction in the energy demands for heating and an increase in user comfort, particularly that of the most vulnerable population groups. On this point, the user patterns for heating are highlighted. Lastly, the reduction in demands which would be produced in different European cities with the application of these retrofitting measures is compared to the present-day scenario and in the 2050 future in accordance with climate change predictions.
Retrofitting Focus on Vulnerable Residential Buildings in Winter
Monge-Barrio, Aurora (author) / Sánchez-Ostiz Gutiérrez, Ana (author)
2018-01-01
67 pages
Article/Chapter (Book)
Electronic Resource
English
Energy demand , Energy retrofitting , Thermal envelope , Monitoring , Indoor temperatures , Airtightness , Patterns of use , Simulation , European case studies , Climate change Energy , Energy Efficiency , Building Construction and Design , Building Materials , Sustainable Development , Climate Change/Climate Change Impacts
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