Active House, zero-energy renovation in Germany

This paper arises from an Active House renovation of a house from 1954. The house is called LichtAktiv Haus and was designed by local architects and engineers according to the active house principles. The house responds to the country-specific building regulations applicable by 2020, and to the upcoming Energy Performance of Buildings Directive EPBD, and shows how it is possible to design for zero-energy and/or plus-energy performance. The first findings of this interdisciplinary research carried out on a building designed as a zero-energy house verify the theoretical planning and calculations made for the climate renovation of a traditional 1950s house. The findings also show it is possible to renovate to nZEB standard while simultaneously increasing living comfort for the inhabitants.

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