Latest News and Developments at LBNL's Windows and Daylighting Group


Eleven glass bottles painted with the window coating.

Low-cost coating would disrupt the building retrofit market and potentially save billions in electricity.

It’s estimated that 10 percent of all the energy used in buildings in the U.S. can be attributed to window performance, costing...

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A new website intended to help architects, building engineers, and manufacturers develop and make better use of energy-efficient glazing and façade systems in commercial buildings is now available. Developed by the Windows and Envelope Materials...

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Looking south over lower New York City.

Green Light New York and Lawrence Berkeley National Laboratory have partnered to develop a pair of "Living Lab" demonstration projects that will deploy innovative lighting, daylighting and shading systems in working New York City office spaces....

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Raymond Weitekamp, Arman Shehabi and Stephen Selkowitz in Windows Lab

The 40th anniversary of the founding of the Environmental Energy Technologies Division at Berkeley Lab is November 1, 2013.

Every Thursday during October, we’ll look back at a significant energy-efficient technology developed by EETD and...

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Outdoor view of the windows testbed facility.

Daylighting is the strategy of admitting light from the sun and sky to reduce use of electric lighting in buildings. Since lighting energy use represents 13 percent of the total primary energy used by buildings in the United States or 5.42...

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Interior of the New York Times building

Designing a building holistically, and making sure that its components and systems work together according to design intent, can pay big dividends in energy savings and occupant satisfaction, according to a study by scientists at the Lawrence...

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Stephen Selkowitz

The U.S. Department of Energy today announced that it will fund the Lawrence Berkeley National Laboratory (Berkeley Lab) to develop a highly insulated energy-efficient window system with a smart automated shading. The project’s principal...

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NOVA by Saint-Gobain logo

This article was originally published on the website of Lawrence Berkeley National Laboratory's Molecular Foundry:

Heliotrope Technologies, a Molecular Foundry spinoff company, has been declared the winner of the 2012 NOVA Innovation...

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The sun shines on the windows at Berkeley Lab's window testing facility

KQED Quest covered energy-efficient windows research at Berkeley Lab. EETD researchers Howdy Goudey and Stephen Selkowitz are quoted, along with Delia Milliorin of Berkeley Lab's Molecular Foundry. Read the story and listen to the audio report....

Photo of the outside of the new NY Times headquarters

Employees of The New York Times Company (The Times) began occupying their new headquarters on the west side of Manhattan in mid-2007. Three years before this milestone, The Times's facility team had approached building scientists at Berkeley Lab'...

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Photo of an Advanced Windows Testbed room

To help EC windows realize their potential to save energy in California and throughout the U.S., DOE and the California Energy Commission funded Berkeley Lab's Environmental Energy Technologies Division to conduct a three-year field test of EC...

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Screenshot of a transition-metal switchable mirror window video

A unique new type of energy-saving window material developed by scientists at the Environmental Energy Technologies Division of Berkeley Lab has been recognized with a 2004 R&D 100 Award. Given by R&D Magazine, the awards have...

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Diagram of how the film on TMSMs works

The race is on to develop the next generation of energy-efficient windows, and it has a new entrant: transition-metal switchable mirrors (TMSMs). TMSMs are glass panels with a coating capable of switching back and forth between a transparent...

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Small-scale model of the new New York Times building

The New York Times Company and Berkeley Lab's EETD have begun a cooperative research project to test new technologies to increase the energy-efficiency of the new building and to improve the indoor environment for the comfort of its occupants....

Photo of one test window in the Advanced Window Systems Test Facility

The Advanced Window Systems Test Facility was built to test new window technology that will increase energy savings and occupant comfort.