![]() A major part of the project was an actual engagement in the architectural process to test out incorporating a consciousness about energy and comfort as part of a more holistic performance evaluation. This was done by applying the methodology of Integrated Energy Design (IED) and analysing its applicability in the design of façades. The project touched not only on the technical capabilities and requirements governing façade design, but also the process by which it takes place. The project was structured in the following way: 1) the importance of integrating knowledge in the early stages of design, and how it can be done 2) understanding the façade’s typology and 3) the complex notion of comfort. The research project analysed how the implementation of technical knowledge early in the building design process can quantify the effect of a building’s façades on its energy efficiency and indoor climate and thereby facilitate a more qualified design development. Numerous technologies are being developed to generate energy also.This thesis describes the outcome of the PhD project Integrated energy design of the building envelope carried out through a combination of scientific dissemination reported through peer-reviewed journals and a wide range of affiliated projects involved in at an architectural firm. These facades also have benefits other than energy saving. To achieve this goal an integrated approach is required which comprise techniques, technologies, architectural innovation all together. This paper also focus on new facades technologies which lower down the building's energy demand with better insulation. This paper deals with the improvement of thermal performance of Building Envelope according to climate, indices and local solar time of region. Building envelope is the first to encounter with weather thus it plays a major role in deciding building's energy demand. To handle the issue it is important to deal with building's energy demand which is mainly due to extreme weather conditions. In the era of raising environmental problems, built structures are considered as one of the main energy consuming entities which are ultimately responsible for environmental degradation. ![]() This method represents a quick and effective tool to define the actual heat loss of high-insulation buildings and to evaluate the benefits in treating thermal bridges. The analytical methodology – which was validated with experimental and numerical analyses – is described and the results of surveys on different types of thermal bridges are reported. This term is obtained without further information on the structure of both the thermal bridge and the stratigraphy of the wall. ![]() From the simple measurement of the air temperature and the analysis of the thermogram, the thermal bridge effect can be estimated as a percentage increase of the homogenous wall thermal transmittance. The paper proposes a methodology to perform a quantitative analysis of some types of thermal bridges, through simple thermographic surveys and subsequent analytical processing. The analysis on existing constructions can be performed on site with thermographic techniques that describe in first approximation the qualitative energy performance of the building and put in evidence the main heat losses. Thermal bridges, of whatever nature, are therefore a crucial point in the energy analysis of the building envelope. If the improvement of the thermal performance of windows and doors has reached a significant development and a high level of standardization, the same is not true for the corrections related to thermal bridges, which therefore require a specific analysis in the design phase. Nevertheless, it is extremely important to treat also weaker components of the envelope such as doors, windows and all the various thermal bridges, otherwise the efforts in increasing walls thermal resistance can be vanished. The use of multi-layer walls with high thermal resistance values is widely used to reduce heat losses in buildings during wintertime.
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