Electrochromic glass by SageGlass

See below how SageGlass by Saint-Gobain can contribute to HQE criterion: Architectural measures intended to optimise hygrothermal comfort.

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Key contribution

Made of electrochromic technology, SageGlass has the ability to change it’s tint on-demand, from a darkened state that blocks the sun’s unwanted heat to a clear state that maximizes solar energy and hygrothermal comfort all year long. 


To encourage the optimization of hygrothermal comfort through architectural measures.

Detailed requirement

Improving the building’s ability to provide satisfying hygrothermal comfort conditions, grouping together rooms of identical hygrothermal demand and controlling discomfort.

Our contribution

  • 8.1.1. Improve the building’s ability to provide satisfying hygrothermal comfort conditions 
  • 8.1.3. Control discomfort

Whatever the season, by tinting or lighting more or less, SageGlass controls heat inputs, allowing it to manage heat and cold peaks. Thus, it meets hygrothermal comfort targets while optimizing the amount of natural light entering the building.

SageGlass dynamic glass