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

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About $20 billion worth of energy leaks out of windows in the United States each winter – and that’s with double-paned insulating windows installed on a majority of buildings. The Department of Energy’s Lawrence Berkeley National Laboratory (...

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By using advanced lighting and automated shades, scientists from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) found that occupants on one floor of a high-rise office building in New York City were able to reduce...

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For the past 40 years, Lawrence Berkeley National Lab (LBNL) has been partnered with the window industry to help save American consumers money in energy costs by pioneering new energy-efficient windows, design tools, and window-rating systems....

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The Portable Window Energy Meter

Researchers from the United States and Brazil have developed a new device that can reduce energy losses in buildings by measuring and assessing the energy performance of windows without removing them from their site. The Portable Window Energy...

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THERM Sample Color Infrared Results

Lawrence Berkeley National Laboratory (Berkeley Lab) has been awarded more than $4 million by the Department of Energy (DOE) to undertake three projects aimed at improving the energy efficiency of buildings, which account for more than 40 percent...

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Screenshot of PPG Industries’ online tool, Construct.

About 10% of the energy used in U.S. buildings—approximately 4 quads a year—compensates for energy lost through windows. To address this inefficiency, architects, engineers, and home-builders are advocating the use of high-performance windows,...

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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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http://facades.lbl.gov/

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....

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