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A dynamic glazing that electronically tints to control the daylight and heat in buildings

September 2021
  • /

SageGlass by Vetrotech Saint-Gobain International AG implemented by Schneider Electric in Grenoble (France) in 2020

Employees are protected from heat and glare, thus affording them a sense of well-being.

SageGlass by Vetrotech Saint-Gobain International AG implemented by Greisch in Liège (Belgium) in 2022

SageGlass by Vetrotech Saint-Gobain International AG implemented by Nestlé S.A. in Grenoble (France) in 2020

The project's aims to reduce CO2 emissions by just over 2,000 tons a year


A dynamic glazing that electronically tints to control the daylight and heat in buildings

  • World Alliance Member
  • Featured Solution
  • Labelled Solution
Label Date September 22, 2021
Parent company Saint-Gobain
Collaborating with Schneider Electric
From Switzerland
Maturity stage TRL 9 / CRI 5-6 - Market competition driving widespread deployment &/"Bankable" grade asset class

SageGlass aims at providing an elegant and sustainable alternative to conventional buildings' facade solutions for architects and builders looking at solving solar control challenges without sacrificing aesthetics, energy-efficiency or comfort. SageGlass dynamically adapts its tint in response to the weather conditions and the building's needs, to manage the daylight and heat in a smart way. Spaces always benefit from daylight and a free access to views to outdoors, without suffering from glare nor overheating. This thus results in reducing the building's energy use and improving the occupants' comfort and well-being.

The Environmental Benefits

  • Blocks up to 96% of solar heat in cooling seasons, or just 60% in heating seasons, contributing to optimized energy efficiency and thermal comfort all year.
  • Lets 60% of daylight in the clear state and blocks up to 99% of daylight in the darkest state, providing optimized daylight levels without visual discomfort while keeping the views out
  • Reduces building's overall energy loads by an average of 20% and peak energy demand by up to 26%
  • All-in-one solar shading solution that lightens and simplifies the facade design and construction

The Financial Benefits

  • Reduces building's energy-related operating costs by an average of 20%.
  • Less than 4 years payback time, thanks to reduced building's energy and maintenance costs, and improved occupants' comfort and well-being.

Target client profile

Activity Region

  • Headquarters
  • Activity

Company Profile

Vetrotech Saint-Gobain International AG

Vetrotech offers a broad range of multifunctional fire resistant and high security glass solutions including impact-, bullet- and blast-resistant glazing.

Headquarters 3175 Wünnewil-Flamatt, Suisse
Type Company
View company profile Solution website

Parent company


Worldwide leader in light and sustainable construction, Saint-Gobain designs, manufactures and distributes materials and services for the construction and industrial markets. Its integrated solutions for the renovation of public and private buildings, light construction and the decarbonization of construction and industry are developed through a continuous innovation process and provide sustainability and performance. The Group’s commitment is guided by its purpose, “MAKING THE WORLD A BETTER HOME”.

Headquarters 92400 Courbevoie, France
View company profile

Collaborating with

Schneider Electric

Schneider Electric is leading the Digital Transformation of Energy Management and Automation.

Headquarters 92500 Rueil-Malmaison, France
View company profile


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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Vetrotech Saint-Gobain International AG has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.