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Reflections from the Passivhaus Conference 2026
By Niall Crosson
Monday 18th May 2026
Also in category: Airtight and windtight
Evidence, Community, and the Reality of Passivhaus at Scale
Following my return from the 28th International Passivhaus Conference in Essen, where I travelled alongside my Ecological Building Systems colleagues Joe Fitzgerald and Ilias Igoumenidis, the event served as a timely reminder: Passivhaus is not just still relevant today, it is more essential than ever. It stands as a rigorous performance standard, a practical delivery framework, and a unifying technical language that connects professionals across all building-related disciplines.
Blog author
Niall Crosson
Technical Director (BTech, MEngSc, MIEI, CEPHC)
Niall is the Technical Director for Ecological Building Systems and was also the company’s first employee. Niall holds a first class honours degree as a Bachelor of Technology and a Masters in Eng.Sc. Niall is a certified Passivhaus Consultant and has provided technical guidance on many award winning low energy projects in Ireland and the UK, and has authored or co-authored several chapters in both the Passivhaus Handbook and the Passivhaus Designers Manual. Niall is also on the board of directors of the Irish Green Building Council and provides guidance on several national standards committees. Along with this, Niall has contributed to several construction publications including The Journal of the RIAI.