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Green Planet Building
© Renate Schrattenecker Fischer

Plus Energy Building Technical University Vienna

Getreidemarkt 9, 1060 Vienna

The Plus Energy Tower of the TU Vienna is the first office tower worldwide with the claim to feed more energy into the power grid than is needed for building operation AND use. In two years of work, the former Chemistry Tower of the TU Vienna was completely renovated.
The core point for achieving the plus energy standard was the extreme reduction of energy consumption in all areas and components in the building, from heating and cooling to IT workstations and small electrical components. Over 9,300 components from 280 categories were listed, optimised and approved by the research team in the project. The basis is an improved passive house envelope and passive house ventilation system.

More Information

University, renovation. Completion 2014

Space area: 15854.79 m²

Energy Performance

  • Heating demand: 15.0 kWh/m² (PHPP)
  • Cooling demand: 5.0 kWh/m² (PHPP)
  • Primar Energy Demand 120.0 kWh/m² (PHPP)
  • CO2: 20.0 kgCO2/m² (PHPP)

Pictures and Drawings

  • © Renate Schrattenecker Fischer
  • © Renate Schrattenecker Fischer
  • © Renate Schrattenecker Fischer
  • © Renate Schrattenecker Fischer
  • © Renate Schrattenecker Fischer

Building Owner

Planners and consulting

  • Architecture: Arbeitsgemeinschaft der Architekten Kratochwil - Waldbauer - Zeinitzer
  • Building physics: Schöberl & Pöll GmbH

More Information

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