| Architekturbüro Sieker Architect / Professional designer Oetkerstr. 7 a 33659 Bielefeld Germany Telephone: 0521 / 494867 Fax: 0521 / 494857 Homepage: www.architekt-sieker.de 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
