New building certification

Technologiezentrum Seestadt Bauteil 2, Wien, AT

BT2 is the second building to be constructed after Aspern IQ (BT1) and is the continuation of the “Campus Technologiezentrum Seestadt”.
The new technology centre in Aspern not only meets the energy requirements of a modern building but also essential interior comfort requirements with the aim of creating a working environment for future users here that is ecologically, economically and socio-culturally sustainable.

Project data
ClientVienna Business Agency. A fund of the City of Vienna. – WA Business & Service Center GmbH
LocationWien, AT
Construction volumeBGF: 8.500 m²
Project duration2016-2019
Project teamMichael Haugeneder Katharina Thullner Tina Tezarek Florian Stift Rafael Botsch Peter Rechberger Monika Ecker Michaela Leitner
Certification systemÖGNB (TQB), klimaaktiv

In integral cooperation with ATP sustain, fundamental measures for the development of sustainable real estate were already taken in the early project phase of the competition, taking into account the entire life cycle.

In order to optimise the energy requirements and increase energy efficiency in the operation of the building, planning support services were carried out by investigating and evaluating different building services and facade variants using dynamic building simulation and a DIN 18599 calculation. Parallel to the energy and comfort variants, these were evaluated in terms of economic efficiency using life cycle cost calculations as a basis for the client’s decision.

For the presentation and evaluation of the sustainability performance of the project a certification according to the evaluation system of the Austrian Sustainable Building Council (ÖGNB) and klimaaktiv was carried out, which was awarded 935 ÖGNB and 975 klimaaktiv points.


  • Competition support
  • Energy Policy
  • Sustainability concept
  • Building physics
  • DIN18599
  • Thermal simulation, system simulation, daylight simulation
  • Life cycle costs
  • Life cycle assessment
  • ÖGNB Consulting / Certification

Further links:

Project ATP

Press averaging ÖGNB award

Photos: ATP/Kuball
Certificate of Completion ÖGNB
Photo: ATP/Kuball
Photo: ATP/Kuball
Photo: ATP/Kuball
Photo: ATP/Kuball
Photo: Wirtschaftsagentur Wien / TIRZA Photography