The Day of Sustainability is over!
That's it: The DGNB Sustainability Day has come to an end! We've had two intense days full of exciting…
Read more →June 22, 2026

Are you working in planning, facility or real estate management and want to actively advance the circular economy in the construction sector? Then help us address the real challenges of practice properly. Are you active in the construction industry and want to actively promote the circular economy in the construction sector? Then help us to properly address the real-world challenges!
The research project ZIRKULAR-X We are developing an AI-powered platform for existing building stock. Our goal is to consolidate fragmented building services engineering (BSE) inventory data into a structured digital product passport. Using an automated circularity assessment, we generate a target-group-specific decision-making basis for practical application.
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