Revitalized to low-energy standard

This historic Wilhelminian style (start of 20th century) house in Vienna was at the end of its useful life when it was rejuvenated through intelligent renovation that conserved resources. Heating costs were drastically reduced and CO2 emissions dropped to 10%.

To achieve this, the façade was insulated (heavy-duty thermal insulation) and windows and doors were replaced. The 30 antiquated coal, oil or gas stoves were replaced with a central heating system along with central water heating. Folding window elements in the attic enable passive solar heating, and the automatically controlled shading system protects the building from overheating.

Renovation converted the historic house to desirable living space. The extended life of the building avoids demolition and disposal costs and so protects both the budget and the environment.