Daniela Unterholzer is CEO of "neunerhaus", an organisation which offers a home to homeless and handicapped people. Their newest building, the "neunerhaus" Hagenmüllergasse was constructed as a Passive House. Mrs. Unterholzer talks about their experience with the Passive House and the ventilation system especially. Subtitles are available in English, Spanish and German.

She will open their Passive House at the International Passive House Days like hundreds of Passive House owners between 9th and 11th of November 2018:
http://passivehouse-database.org/index.php?lang=en#tdpSearch

Passive Houses in Austria: http://passivhaus-austria.org/content/tage-des-passivhauses-2018

Further information about the building: https://passivhausprojekte.de/index.php?lang=de#d_5444