“The push for net-zero buildings began a decade ago when the California Public Utilities Commission adopted the goal that all new residential construction in California would be zero net energy by 2020, and all new commercial construction in California would be zero net energy by 2030.
Menlo Park architect Karen Zak, a former planning commissioner, is not only ready but enthusiastic about the changes. Many zero net energy homes can be built with steel frames, she said, which makes the homes “much more level and straight and true,” and steers clear of wood, which can twist and shrink over time.”
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