There is a reason why there is so much emphasis on retrofitting buildings in Europe; 80% of the buildings that will be around by 2050 have already been constructed. The techniques and materials used when most of these buildings were erected are not energy-efficient, resulting in excessive heat loss and higher energy demand from residents. At the same time, many citizens are experiencing fuel or energy poverty. This is a situation where a resident cannot afford the heating costs that will keep him or her comfortable throughout winter without foregoing other necessities such as food or transport. We reported on the Celsius project and the Borough of Islington as one of the demonstrators, which was also targeting energy poverty through district heat and energy. DREEAM (Demonstrating an integrated Renovation approach for Energy Efficiency At the Multi-building scale) is also targeting energy poverty, while reducing carbon emissions by up to 75%....
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