ANSI/RESNET/ICC 850-2020 Standard Calculation and Labeling of the Water Use Performance of One-and Two-Family Dwellings Using the Water Rating Index
ANSI/RESNET/ICC 850-2020
Standard Calculation and Labeling of the Water Use Performance of One-and Two-Family Dwellings Using the Water Rating Index
This Standard provides a consistent, uniform methodology for evaluating, quantifying, and labeling the water use performance of one- and two-family dwellings. The methodology compares the water use performance of an actual home (rated home) with the water use performance of a reference home of the same geometry, resulting in a relative Water Use Rating called the Water Rating Index (WRI). Where the water use performance of the actual home and the reference home are equal, the Water Rating Index is 100.
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| Description | ANSI/RESNET/ICC 850-2020 Standard Calculation and Labeling of the Water Use Performance of One-and Two-Family Dwellings Using the Water Rating Index This Standard provides a consistent, uniform methodology for evaluating, quantifying, and labeling the water use performance of one- and two-family dwellings. The methodology compares the water use performance of an actual home (rated home) with the water use performance of a reference home of the same geometry, resulting in a relative Water Use Rating called the Water Rating Index (WRI). Where the water use performance of the actual home and the reference home are equal, the Water Rating Index is 100. |
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