The Energy Star LED Difference

Spotlight Article:

The Energy Star LED Difference

In early 2013, EPA challenged retailers to sell 20 million Energy Star-certified LED lightbulbs by Earth Day 2014. The results are in, and U.S. retailers—with the help of manufacturers and utilities—more than exceeded ...

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Do CFLs Save Whole-House Energy?

Author: Anil Parekh
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November 06, 2008

If CFLs decrease cooling loads compared to incandescents, but increase heating loads, do they save energy overall? [continue reading]


2007 Energy Bill a Mixed Bag

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March 09, 2008

It would be easy to think that the 2007 Energy Bill, signed by President Bush at the end of last year, was all about automotive fuel economy. The legislation that requires fleet wide average fuel economy ... [continue reading]


Understanding CFLs

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November 01, 2007

Although the use of CFLs is steadily spreading, public understanding about how to dispose of them responsibly has not kept pace. [continue reading]


India CFL Study

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March 10, 2007

Compact fluorescent lamps (CFLs) combine the energy efficiency of fluorescent lighting with the convenience and popularity of incandescent fixtures. CFLs can replace incandescents that are roughly 3–4 times their wattage, saving up to 75% of the ... [continue reading]


Greening With Daylighting

Author: Jim LaRue
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July 01, 2006

        Daylighting: A method of illuminating building interiors with natural light so that the use of artificial lighting is reduced in the daytime. Common daylighting strategies include the proper orientation ... [continue reading]


Spotlight on Daylighting

Author: Ira Krepchin
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May 01, 2006

        Daylighting systems, which use natural lighting to supplement electric lighting, have the potential to cut energy use, reduce peak demand, and create a more desirable indoor environment, yet these ... [continue reading]

The Real Women of Home Performance: Marge Anderson

Macie Melendez

The Real Women of Home Performance: Marge Anderson

Marge Anderson is the Executive Vice President of Seventhwave, a non-profit that advances environmental and economic sustainability. Her passions include ...

For a True Measure of a Home's Energy Efficiency, Remember Durability

Eliza Clark

For a True Measure of a Home's Energy Efficiency, Remember Durability

Much like the race to build a better mousetrap, it often seems like there’s an endless stream of ...

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