outPHit – Promoting Energiesprong renovations and one-stop-shop retrofit concepts in highly efficient NZEBS in EnerPHit standard, to make renovations more reliable, faster and cost effective

Project manager overall project: Passive House Institute GmbH

Project leader University of Innsbruck: Rainer Pfluger (UIBK - Energy Efficient Building)

Project team: Fabian Ochs, Georgios Dermentzis, Mara Magni, Elisa Venturi, Katharina Prinzing, Max Maier, Marc Müller

 Project partner:outPHit

  • Passive House Institute GmbH (Germany)
  • Vand arquitectura y consultoria SL (Spain)
  • PROPASSIF (France)
  • Hellenic Passive House Institute (Greece)
  • Energy Efficiency Center – Energy Foundation (Belgium)
  • Stichting PassiefBouwen (Netherlands)
  • Climate Alliance - Alianza del clima eV (Germany)
  • ecoworks GmbH (Germany)
  • Neue Heimat Tirol, non-profit housing company (Austria)

Funding body: EU

Duration: 09/01/2020 - 08/31/2023

Project website: www.outPHit.eu

Funding: € 394.750


One of the most important challenges in the building sector to achieve the climate goals is the reduction of the energy requirement through highly efficient buildings (NZEB) or energy-efficient renovation. The decisive role will be played by the fast (serial, i.e. with a high degree of prefabrication), profound energy-efficient renovation of existing buildings. These require cost efficient renovation systems, which can be applied easily from the outside. Moreover, quality assurance has to be established at all levels, starting with the planning of the energy concept of the building up to the review of the efficiency after renovation.

Expected results from outPHit

  1. Evaluation and further development of existing prefabricated elements and One - Stop -Shop approaches (similar to Energiesprong - concept) according to the Passive House criteria for refurbishing (EnerPHit standard).
  2. Renovation of demonstration objects in all participating countries with the involvement of all relevant stakeholders: municipalities, donors and investors, as well as planning and executing companies.
  3. Development of monitoring concepts, in order to evaluate the increase in efficiency by serial restoration.
  4. Development of decision support tools for cost-effective, serial refurbishment and quality assurance methods for the evaluation and certification of measures.
  5. Publication of results, implementation of training workshops and conferences.

Research focus of the University of Innsbruck

The focus of AB EEB lies in the development, optimization and evaluation of energy-efficient solutions for serial renovation of buildings. The cost of the applied energy efficiency measures will be evaluated and alternative heat supply concepts and renewable energy systems will be determined in order to compile cost-optimized packages and to make recommendations. The solutions will be presented by decision support tools. In addition, monitoring concepts are developed and implemented for the best practice projects in order to be able to evaluate and compare energy efficiency, thermal comfort and indoor air quality before and after the renovation.


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