KB Home's Double ZeroHouse in Lancaster, CA

In the Dawn Creek neighborhood of Lancaster, California, 60 miles north of Los Angeles, KB Home, one of the nation’s largest home builders, is addressing the climate risks of drought, extreme heat, and water availability with the construction of “double-zero” single-family homes—double zero because they use zero energy and zero fresh water for irrigation. A model for the future, the double-zero home is designed and constructed to produce within a year as much energy as it uses through technology such as photovoltaic (PV) solar panels and enough water to irrigate the landscape through an on-site graywater recycling system.

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