Profile details: Koh, Desmond
| Desmond Koh Consultant 2576 BOWRAL Australia Email: |
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Passive House Open DaysMid-year event 23—25 June 2023
Main event 10—12 November 2023
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info@passivehouse-international.orgInternational Passive House Association
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Promoting the Passive House Standard worldwide
The international network for Passive House knowledge
Promoting the Passive House Standard worldwide