Zero energy buildings (ZEBs) produce at least as much energy as they consume. Whereas only a few thousand ZEBs have been constructed in the United States and Canada until now, it may be possible to improve building energy codes to the point where all new buildings are zero energy by 2030. This white paper provides a roadmap to this goal, not only through updating residential and commercial codes but also through stretch codes and voluntary programs. We conclude with recommendations to help policymakers and other stakeholders overcome barriers to widespread implementation of ZEB codes.
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