A HERS Rating for Water Use?
Pro Builder
AUGUST 3, 2021
Like the HERS energy efficiency scale, HERS H2O rates a home's water-usage efficiency on a scale of 0 to 150 and 100 is the threshold representing a code compliant, new construction house. . So we worked through that and came up with better guidelines for it. There's a 65% increase in water and sewer costs from 2009 to 2019.
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