An analysis of the potential of envelope-integrated solar heating and cooling technologies for reducing energy consumption in European climates
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Solar heating technologies
Solar cooling Technologies
There is a clear trend towards the increased contribution of renewable energy at European level, and EU policies are oriented towards that direction. The building sector is no exception and presents an urgent necessity for increasing the share of renewable energy sources (RES) to reduce the impact on the environment. The aim of this paper is to examine the potential of solar heating and cooling technologies in reducing energy consumption by incorporating solar thermal and PV collectors within the building’s envelope. Although generally envisaged to be integrated in the roof, preferably oriented to the south, this study explores also their potential for integration into the façades. External climate influences both the demand for space heating and cooling (influenced by temperature) and the potential from solar renewable energy (incident global irradiation). However, a time lag exists since supply and demand peak at different times within the day as well as during the year. This ...