Innovation can happen in the most unexpected places. In this case, it was the Mühleboden schoolhouse in Therwil. During a parent-teacher conference in the autumn of 2015, Martin Gruber-Gschwind and Stefan Rogantini became acquainted with one another. The former is the manager of pilot projects concerning energy and resource efficiency for the trade association in Basel City, and the latter is the manager of Basel-based Gerber-Vogt, a window and façade building company. They soon began to talk business about the subject of thermally insulated sliding windows.

Gruber-Gschwind was of the opinion that sliding windows had to be made of wood to be competitive on the market. After speaking with members of architecture circles, he discovered that there was indeed the demand for wooden sliding windows. So, since Gruber-Gschwind managed innovative energy projects for his trade association, he made a first unofficial inquiry to the Federal Office of Energy collaboratively with Gerber-Vogt.

What followed was the project “Entwicklung hochisolierender Fenstersysteme mit Vakuumgläsern und ultraschlanke opake Fassadenteile” (engl. “Development of high performance thermal insulated window systems with vacuum glazing and ultrathin opaque façade elements”). The Federal Office rated the project as highly interesting and suggested combining vacuum glazing with the window systems to improve the thermal insulation. GlassX AG joined the SME team subsequently.

Original text from Antonio Suárez

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