| Bill Bauunternehmung GmbH Construction company / Construction project organiser Roter Lohweg 31 35510 Butzbach Germany Telephone: 06033 / 3111 Fax: 06033 / 16174 Homepage: www.bill-gmbh.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
