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Doppelnutzen – Universität Innsbruck

Dual benefit - comfort and cost-optimised air flow concepts for energy-efficient residential buildings

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Project leader University of Innsbruck: Rainer Pfluger

Project staff: Gabriel Rojas-Kopeinig, Mattias Rothbacher, Harald Malzer (PHI), Elisabeth Sibille

Project partners:

  • Passive House Institute, Innsbruck
  • Neue Heimat Tirol, non-profit housing association

Funding organisation: FFG / Haus der Zukunft plus, 3rd call for proposals:

Duration: 01.03.2011 - 28.02.2013

Homepage: www.phi-ibk.at/luftfuehrung

Ventilation systems for residential buildings can be planned according to the so-called cascade principle. This project develops the planning principles for this and analyses the necessary overflow openings with regard to pressure loss and airborne sound insulation.

Doppelnutzen: Schema Kaskadenlüftung

Scheme of cascade ventilation

Publications (University of Innsbruck)

  • "Overflow elements for ventilation of residential buildings: Layout data and design ideas", G. Rojas, M. Rothbacher, and R. Pfluger, in Tagungsband:16th Int. Passivhaus-Tagung, 2012, pp. 661-662.
  • "Overflow elements: Impacts on energy efficiency, indoor air quality and sound attenuation", G. Rojas, M. Rothbacher, and R. Pfluger, in 33rd AIVC and 2nd TightVent Conference, 2012, pp. 96-100.
  • "Overflow elements, impacts on energy efficiency, air quality and sound attenuation", Rojas, Rothbacher, Pfluger, International Passive House Conference 2012, Hannover.
  • "Sensitivity analysis of indoor air quality with residential ventilation", Rojas, Pfluger, Sibille, International Congress E-Nova 2012, Pinkafeld.
  • "Optimisation of dwelling floor-plan configuration for cascade ventilation", Sibille, Pfluger, International Passive House Conference 2013, Frankfurt.
  • "Comfort and cost-optimised air routing concepts for energy-efficient residential buildings", Gabriel Rojas, Elisabeth Sibille, Rainer Pfluger, Jahrbuch TGA-Planung 2014, WEKA Verlag, Vienna
  • "Cascade ventilation - air exchange efficiency in living rooms without their own supply and exhaust air", G. Rojas and R. Pfluger, in Conference proceedings: 18th International Passive House Conference, 2014.
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