Submitted by: Kompetenzzentrum Althausrenovierung e.V.
Implemented country: Austria
Title: Demonstration of economical and practical renovation
The goal is to renovate an old structure (1975) in Riedlingsdorf (Burgenland province of Austria) with an energy index (energy requirement per m² of living area) of 127 kWh/m² so as to achieve an 80% reduction in the energy index to 19 kWh/m². The primary goal is to employ economical and practical methods and materials in order to drop the energy requirement to the target level. The greatest potential for improvement in the following areas will be assessed: replacement of windows and outside doors, insulation of the building shell, replacement of the heating system, installation of a photovoltaic plant to support heating and hot water, and rainwater harvesting.