New DVGW Guidelines for Hydrogen Systems in Building Services
On November 17, 2025, the new series of Portal Green guidelines was presented to the public – an important milestone for the hydrogen industry. OHS actively participated in the development and was able to contribute valuable practical knowledge.
Practical Experience Meets Standardization
Our team members Jessica Mandt and Dr. Markus Ostermeier contributed their expertise from completed projects to the development of the guidelines. The practical experience helped to make the guidelines not only technically sound but also practically relevant.
Guidance Through the Approval Jungle
The new guidelines offer all interested parties structured assistance in dealing with the complex requirements for hydrogen systems in building services. From planning through approval to implementation, important questions are addressed and practice-oriented solutions are presented.
Free Download Available
The guidelines can now be viewed and downloaded free of charge:
Portal Green II – Guidelines for Hydrogen Systems in Building Services
We are pleased to further advance the development of the hydrogen economy in Germany with our contribution and to provide all stakeholders with a reliable guide.