Buildings consume over 40 % [1] of the yearly demand for energy (in IEA member countries). Therefore, it is important to take this fact into account in the designing process - not only in terms of potential savings but also from the point of view of energy acquisition. That is why the external building finishing has an important influence on the energy balance as it may save thermal energy and convert sunlight directly into electricity. It is generally believed that the fa?ade is the showcase of the building. An increasingly common concept for effective building facades, not only those newly-created but also after refurbishment, is photovoltaic panels. Regenerative energy production and architectural designing possibilities are no longer an obstacle. Due to a growing range of available cell technologies (polycrystalline, monocrystalline, high-efficiency and semitransparent), as well as designs (colors, overprints) and parameters (weight, power), their integration with building envelope is not longer an issue. Contemporary Photovoltiaics are designed and manufactured to meet the requirements of designers, builders, investors and the owners. The multifunctionality allows for energy production, as well as for shading, lighting contron and thermal insulation. Using Photovoltiaic systems eneables to create an unique facade construction as well as design.
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