| Ingenieurbüro Holzbau Architect / Professional designer Albert-Schweitzer-Str. 77 31061 Alfeld-Leine Germany Telephone: 05181 / 81019 Fax: 05181 / 81022 Homepage: 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
