
The standard achieved this determination through DOE analysis indicating that buildings meeting 90.1-2016 (as compared to the previous 2013 edition) would result in national energy cost savings of approximately 8.2%, as regulated by the model code.
This determination makes 90.1-2016 the new national energy reference standard, superseding 90.1-2013. By February 27, 2020, all states must adopt a commercial building energy code at least as stringent as 90.1-2016, or justify why they cannot comply.





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