Advanced Building Skins Conference & Expo 2025 | Bern, Switzerland

The International Advanced Building Skins Conference & Expo took place on 3–4 November 2025 in Bern, Switzerland. Several AEGIR partners collaborated to deliver a session titled “Scaling Up Sustainable Renovations – AEGIR Perspectives,” covering a wide range of topics.

Session Topics:

  1. Performance of the Building Envelope: Retrofitting the building envelope
  2. Advanced Building Skin Design: Design methods for sustainable, high-performance building façades

Presentations by AEGIR partners

Seven project partner organizations each delivered a presentation highlighting their specific area of expertise and involvement in the AEGIR project:

Sustainable renovations based on solutions coming from the AEGIR project

  • Sustainable refurbishing with physical and digital solutions
  • Main objectives and achievements
  • Implementation of the system in four demo sites

Julen Astudillo, Tecnalia, San Sebastian, Spain

Integration of active technologies in the building envelope

  • Heat recovery ventilation for improved indoor air quality
  • Integration of fresh-air ducts in the retrofitted facades
  • Integration of solar (PV and hybrid) panels

Arnaud Jay, CEA, Tobe Completed, France                           Bard Rama, ICLEI Europe, Freiburg, Germany

Integrating digital technologies and a constellation of services

  • BIM to streamline renovation process
  • Innovative renovation process based on Aegir tooling system
  • Aegir tools

Nicolas Pastorelly, CSTB, Sophia Antipolis, France

Modular and digital innovations in sustainable renovations

  • Integrating energy simulations, digital modeling, prefabrication
  • Automated façade and ventilation configurators
  • Standardization and industrialization of renovation process

Tom Minderhoud, UNStudio, Amsterdam, Netherlands

Integrating urban mining and reuse strategies in façade renovation

  • Use of low-embodied-energy materials
  • Integration of urban mining strategies
  • Dismantlable and reusable building components and systems

Thaleia Konstantinou, TU Delft, Netherlands

Scaling up sustainable renovations with AEGIR solutions

  • Collaboration with SMEs, policymakers, financial institutions
  • Real-life demonstration projects
  • Overcoming barriers to scaling up sustainable renovations

Bard Rama, ICLEI, Bonn, Germany