| Heizung-Sanitär-Solar Hartwig Gstrein GmbH Component manufacturer Unterdorf 51 6473 Wenns Austria Telephone: +43541486048 Fax: +43541486048-9 Homepage: www.gstre.in Email: |
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A wealth of Passive House knowledge.
Where Passive House stakeholders meet.
Mid-year event 23—25 June 2023
Main event 10—12 November 2023
Int'l Passive House Conference
