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    Building energy code compliance in the US

    Thanks JCraver for your reply. However, most of the articles that I read suggest that prescriptive path is more common than performance. I understand that actual data isn't available for this parameter. I am only trying to get an intuitive estimate from surveys/studies that may have been...
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    Building energy code compliance in the US

    I am interested in understanding how often builders of commercial buildings in the United States opt for "performance path" vs. "prescriptive path" in order to comply with building energy codes like IECC 2015 and/or ASHRAE 90.1. Can someone please suggest where I can find this information?
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