The building sector is an energy intensive sector, with great potential to reduce energy needs and environmental pollution. Several measures are being taken to increase the energy efficiency and avoid energy consumption in this sector. A recent trend is the nearly zero energy buildings, which was already adopted by some of the latest regulations, such as the 2010 recast of the European Performance of Buildings ...
The development of new construction solutions is fundamental to enhance the building stock energy performance, and thus promote sustainable development in the building sector. These solutions must be sensitive to both the energy performance and the environmental performance. The aim of the work presented in this paper is the comparison, in terms of energy performance, between heavyweight conventional solutions ...
A reabilitação energética dos edifícios é uma área com crescente importância para o setor da construção Portuguesa. Tal deve-se a uma conjugação de diversos fatores, desde o estado de degradação e fraco desempenho energético dos mesmos, até à drástica redução do índice de construção nova. Como tal, de modo a adequar o parque habitacional existente às novas necessidades, mas também às mais recentes exigências po...
O parque habitacional é um dos sectores de intervenção prioritária, tendo em conta que estes representam 40% do consumo de energia final na Europa. Com a entrada em vigor da Directiva Europeia da Performance Energética de Edifícios (EPBD), foi dado o primeiro passo neste sentido, introduzindo-se diversas medidas que limitam o consumo de energia primária nos edifícios. Com a aplicação desta Directiva, a discrep...
Since the implementation of the Energy Performance of Building Directive, EPBD, in general, and the entrance into force of the respective Portuguese codes, in particular, buildings are requested to have better energy performances. However, during the buildings performance evaluation, energy issues should not be the only concerns since the indoor environmental quality is also as important. Thus, in this paper it...
Em termos energéticos, o parque edificado e um dos sectores com necessidade de intervenção prioritária. Com a entrada em vigor da Directiva Europeia da Performance Energética de Edifícios, foi dado mais um passo no sentido de incentivar medidas que limitem o consumo de energia primária nos edifícios. No entanto, a reabilitação energética dos edifícios não é ainda uma prática corrente e é muitas vezes apontada ...
One of the main key sectors where it is vital to reduce the energy consumption, is the existent building stock. The European Union has recognized this issue in 2002 with the entrance into force of the Directive on Energy Performance of Buildings where important measures to limit the buildings primary energy consumption are foreseen. Within this context, it was initiated a new project focusing the development of...
The goal of this study is to evaluate the accuracy of the Portuguese thermal regulation simplified methodology for existing buildings and to assess the influence of different parameters on the building final energy performance evaluation. Simple “in-situ” measurement techniques were carried out to calibrate the input data in this methodology. The results obtained with the simplified methodology, with and withou...
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