Editorial: The Fast-Changing World of Saving Energy

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Editorial: The Fast-Changing World of Saving Energy

In reviewing the content of this issue, I was struck by how rapidly the energy-saving business is changing. In this issue, we cover the come-from-nowhere explosion in LEDs. Another article about energy-efficient homes in Germany ...

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Energy-Saving Strategies - Think Again

Author: John Dixon
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December 01, 2014

The rules regarding home energy savings are changing. New technologies and shifting realities are showing us that many of the old energy-saving dictums are now obsolete. If, for instance, you look at the top energy-saving ... [continue reading]

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The Energy Star LED Difference

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December 15, 2014

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 ... [continue reading]

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Boosting Multifamily Energy Savings Through Lighting Control Settings

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August 31, 2013

By reducing the off-delay interval to 30 seconds, a building owner can see energy savings of more than 75%. [continue reading]

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Comparing Eight Cold-Climate PH Envelopes

Author: Mary James
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October 26, 2014

Passive Houses with different wall systems are studied to see what their life cycle energy and carbon savings are compared to conventionally built homes. [continue reading]

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My Experiences with Solar Electric and Solar Hot Water Systems

Author: Andrew Rudin
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September 01, 2011

An energy management consultant since 1974, Andrew Rudin shares his personal accounts, the good and the bad, with using solar panels to generate electricity and to heat water. [continue reading]

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California Residential Retrofits: Ten Important Lessons Learned

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November 02, 2013

The potential for reducing energy consumption and greenhouse gas emissions through retrofitting existing homes offers major incentives for future work. [continue reading]

Water Heaters Get an Efficiency Makeover Courtesy of DOE

Marianne DiMascio

Water Heaters Get an Efficiency Makeover Courtesy of DOE

From the rustic 1850s pump shower to the 1920s Humphrey automatic to today’s modern ...

Number of Certified Passive House Square Meters Reaches One Million Mark

Benjamin Wünsch

Number of Certified Passive House Square Meters Reaches One Million Mark

Building owners throughout the world are increasingly turning to the Passive House standard. This past autumn, the number of square ...

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