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Abstract:
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The Commercial Buildings Energy Consumption Survey (CBECS) is a quadrennial survey of commercial buildings, their characteristics, and their energy use. The 2012 CBECS questionnaire also included questions about water consumption in the building. To impute for cases that could not report their water consumption, a nonlinear model was used. The independent variables of the model included an engineering estimate of expected water use in the building, total electricity use, and other characteristics that were expected to be related to water consumption. Because large buildings had a lower rate of nonresponse for the water question, the model was fit using only buildings with more than 200,000 square feet of floorspace. The resulting national estimates of total water use in large commercial buildings will be published in the spring of 2017.
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