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Overhead fish-eye view of a data center.
October 20th 2009
Berkeley Lab researchers, in partnership with Silicon Valley firms and the California Energy Commission, have three new energy-efficient data center technologies available for demonstration.
Photo of a commercial building
September 23rd 2009
Advanced energy-efficient technologies in lighting, HVAC (heating, ventilation and air conditioning), and control systems are heading for the buildings, laboratories and data centers of several federal agencies. With $1.8 million in funding from the American Recovery and Reinvestment Act, experts at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) will provide the technical expertise to help federal energy... Read More
Portrait of Evan Mills
September 21st 2009
This San Francisco Chronicle article discusses our R&D on building commissioning, and how it can save a commercial building owner millions of dollars in energy costs.
A building with cool roof technology
December 16th 2008
Hashem Akbari and Surabi Menon, scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), and Art Rosenfeld, California Energy Commissioner, Professor Emeritus at the University of California, Berkeley, and former Berkeley Lab scientist, have proposed a "Cool World" plan that would use white roofs, and solar-reflective roofs of other colors, to reduce greenhouse gas emissions and help delay atmospheric... Read More
Portrait of Art Rosenfeld
October 22nd 2008
The Economist magazine has named California Energy Commissioner Art Rosenfeld recipient of one of this year's Innovation Awards. The weekly British magazine awards Innovation awards in several areas; Rosenfeld won the award in the "Energy and the Environment" sector. A former Berkeley Lab scientist, Rosenfeld was director of the Center for Building Science (Environmental Energy Technologies Division), and he is a Professor Emeritus in... Read More
Photo of a data center
October 15th 2008
Data centers are the unseen workhorses of the global economy. Their numbers have grown rapidly along with their energy use. Now, the government and the information technology industry are cooperating to develop solutions to the rapid rise in data center energy consumption. This article in the U.S. Department of Energy's Conservation Update covers research and program efforts to increase the energy efficiency of data centers.
Photo of the outside of the new NY Times headquarters
October 18th 2007
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's Environmental Energy Technologies Division (EETD), looking for help. They were searching for reliable and affordable technologies, not yet available in the marketplace, to regulate daylight in the new... Read More
Photo of an Advanced Windows Testbed room
January 5th 2007
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 windows in a realistic office-building setting. This test, along with other tests and computer simulations, was intended to allow the Berkeley Lab researchers to quantify the performance of EC windows and... Read More
Screenshot of a transition-metal switchable mirror window video
July 7th 2004
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 been called "the Oscars of technology." The addition of this winner, and an R&D 100 award won by another Lab division (Materials Sciences for their work on nanomotors) brings the total of R&D 100... Read More
Diagram of how the film on TMSMs works
April 20th 2004
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 state and a reflective one.
Small-scale model of the new New York Times building
February 18th 2004
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
September 17th 2003
The Advanced Window Systems Test Facility was built to test new window technology that will increase energy savings and occupant comfort.
Photo of a home
March 16th 1999
The Home Energy Saver web site is a comprehensive energy calculator and information portal for homeowners and renters. We've added a simplified calculation track-reached by entering your zip code on the top page-which performs an entire home analysis based on a short list of questions. We've upgraded the Energy Advisor track, for users who want to vary a larger number of details about their home. The new "Making it Happen" module helps consumers... Read More

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