Pushing the envelope on building science for a more sustainable home is no longer future thinking. These projects are take the industry a step further, preparing for the new California 2020 regulation. Their foresight and innovation pave the way for others to make a more seamless transition.

Builders in the Golden State soon will be required to construct houses that produce as much energy as they use, thanks to the state’s rigorous Title 24 regulations that go into effect in 2020. Here are six stunning examples of California houses that have already achieved net zero with style and efficiency.

Take a detailed look at the six projects.

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