• Lessons from the Grissom Lane Net Zero Apartments

    Grissom Lane Apartments are affordable homes for seniors and the first EarthCraft Virginia Net Zero Certified homes in the state.

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  • Passive Returns: A Study in Ten Homes

    Data helps quantify the benefits of a passive-return system.

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  • A Solar Myth Bites the Dust

    After doing the math, PV and a heat pump appeared to beat solar thermal for water heating.

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    Editorial: My Apartment in Tokyo

    Editorial: My Apartment in Tokyo

    By Alan Meier

    Every time I visit Japan I learn something new, and my most recent trip was no exception. This time I stayed in an apartment, ...
    Low-E Storm Windows Home Weatherization Measure

    Low-E Storm Windows Home Weatherization Measure

    By Theresa Gilbride and Katherine Cort

    One recent addition to the cost-effective efficiency measures available for home retrofits is low-e storm windows. These high-performing window attachments are up to 25% more ...
    Fortune Favors the Cold: Sustainable Arctic Shelters in the Twilight of Oil

    Fortune Favors the Cold: Sustainable Arctic Shelters in the Twilight of Oil

    By Griffin Hagle

    On a sunny 90°F day in late July, my girlfriend and I pedaled our bikes toward the St. John’s Bridge in ...
    How Does Geothermal Cooling Work?

    How Does Geothermal Cooling Work?

    By Carl Taylor

    Although the concept of geothermal energy is one that's been around since Ancient Romans were snap-whipping their buddies ...
    The Real Women of Home Performance: Maureen Mahle

    The Real Women of Home Performance: Maureen Mahle

    By Macie Melendez

    Maureen Mahle is an engineer and specialist in high performance homes. As the vice president and director of ...
    Customer-Centric Load Reduction Programs

    Customer-Centric Load Reduction Programs

    By Charlie Hewitt

    As the summer heat sets in, residential air conditioning load delivers its annual punch to the power grid. ...
    Tiny House Competition

    Tiny House Competition

    By Suzette Bienvenue

    The Sacramento Municipal Utility District (SMUD) has created a first-of-its-kind energy-efficient housing competition for college and university students. ...

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