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Posts Tagged ‘energy efficiency’

Berkeley Lab Launches Building Energy Performance Research Project at New FLEXLAB Testing Facility

April 14, 2014

The DOE’s David Danielson, Assistant Secretary for Energy Efficiency and Renewable Energy, was on hand in Berkeley April 14 to tour FLEXLAB™, the Facility for Low Energy experiments in Buildings, run by Berkeley Lab’s Environmental Energy Technologies Division. Danielson and Berkeley Lab Director Paul Alivisatos also met with executives from construction firm Webcor. Webcor’s testing in FLEXLAB will allow its engineers to predict and improve the energy performance for a new building constructed for biotech company, Genentech. A building mockup for Genentech will be studied at different building orientations, specific to the actual construction site. As part of his visit to the Lab, Danielson also toured the Molecular Foundry.

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Berkeley teams take energy innovation to ARPA-E Summit and Capitol Hill

March 6, 2014

Research from Berkeley Lab appeared on Capitol Hill recently to show off innovation in energy efficiency, including a backpack-mounted system for quickly mapping energy use throughout a building. That was but one project showcased at this year’s ARPA-E Energy Innovation Summit, which also included speakers from Berkeley Lab.

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Berkeley Lab Researcher Proposes Phones and Other Devices as Energy-Saving Tools

January 29, 2014

When is a phone not a phone? When it’s serving as an occupancy sensor for energy-saving purposes.
Lawrence Berkeley National Laboratory (Berkeley Lab) researcher Bruce Nordman had an idea several years ago to take advantage of existing devices in office buildings by using them for energy efficiency purposes. In the United States buildings are responsible for [...]

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White, Green or Black Roofs? Berkeley Lab Report Compares Economic Payoffs

January 21, 2014

Looking strictly at the economic costs and benefits of three different roof types—black, white and “green” (or vegetated)—Berkeley Lab researchers have found in a new study that white roofs are the most cost-effective over a 50-year time span. While the high installation cost of green roofs sets them back in economic terms, their environmental and amenity benefits may at least partially mitigate their financial burden.

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Holistic Cell Design by Berkeley Lab Scientists Leads to High-Performance, Long Cycle-Life Lithium-Sulfur Battery

November 19, 2013

Researchers at Berkeley Lab have demonstrated in the laboratory a lithium-sulfur (Li/S) battery that has more than twice the specific energy of lithium-ion batteries, and that lasts for more than 1,500 cycles of charge-discharge with minimal decay of the battery’s capacity. This is longest cycle life reported so far for any lithium-sulfur battery.

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Weatherizing Homes to Uniform Standard Can Achieve $33 Billion in Annual Energy Savings

October 21, 2013

With winter around the corner some homeowners may be thinking about plugging all the leaks in their home to make them less drafty. Imagine if every homeowner in the country did that—how much energy could be saved? Using physics-based modeling of the U.S. housing stock, researchers from Lawrence Berkeley National Laboratory (Berkeley Lab) found in a new study that upgrading airtightness to a uniform level could achieve as much as $33 billion in annual energy savings.

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Berkeley Lab Report Finds U.S. Energy Service Companies Experienced Steady Growth Despite Recession

September 25, 2013

Aggregate revenue growth rates for U.S. energy service companies (ESCOs) significantly outpaced U.S. GDP growth during the three-year period 2009 to 2011, according to a new report by researchers at Berkeley Lab. ESCOs primarily use performance-based contracts to provide energy efficiency, renewable and other energy-related services while guaranteeing that installed equipment, controls and other measures will deliver a specified amount of cost and resource savings to the customer.

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Q&A:The Facility for Low Energy eXperiments in Buildings (FLEXLAB)

August 27, 2013

The Facility for Low Energy eXperiments in Buildings (FLEXLAB) is designed to be a national focal point for developing, simulating and testing energy-efficient technologies and strategies for buildings. FLEXLAB users will conduct research and develop technologies at FLEXLAB on single components as well as whole-building integrated design and operation aimed at substantially lowering the energy use, and improving the comfort and performance of both new and existing buildings. FLEXLAB is a facility of Lawrence Berkeley National Laboratory’s Environmental Energy Technologies Division (EETD).

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Raising the IQ of Smart Windows

August 14, 2013

Researchers at Berkeley Lab have designed a new material to make smart windows even smarter. The material is a thin coating of nanocrystals embedded in glass that can dynamically modify sunlight as it passes through a window. Unlike existing technologies, the coating provides selective control over visible light and heat-producing near-infrared (NIR) light, so windows can maximize both energy savings and occupant comfort in a wide range of climates.

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Pollution in the Home: Kitchens Can Produce Hazardous Levels of Indoor Pollutants

July 23, 2013

Berkeley Lab indoor air researchers have found hazardous levels of nitrogen dioxide and carbon monoxide in a surprisingly large portion of California home kitchens. What’s more, their studies have shown that the most common device for mitigating this indoor air problem—range hoods—vary widely in performance.

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