English is the main language for projects. Engels is de hoofdtaal voor de projecten. Englisch ist die Hauptsprache für Projekte. L'anglais est la langue principale pour les projets. Ingléses el idioma principal para proyectos.

Solar Tile

Solar Tile replaces the roofing material of a pitched roof. Due to the construction of the solar tile, the roof is further insulated. The solar tile does not only provide electricity. The energy needed for heating and cooling this way can be reduced.