Homebuyers need to know how efficiently water is being used in the homes they are considering to buy. In response to this need RESNET is introducing its first ever water efficiency rating index, HERS_H2O.

Similar to the HERS Index Score, this water index will rate the indoor and outdoor water usage of a home including the bathroom and kitchen, clothes washer, pools, and irrigation, while also accounting for leaks, excess pressure, and waste to derive a HERS_H2O score. The score is derived by comparing the rated home to a reference home, which is typical of construction practices in 2006.

The HERS_H2O Index also provides an opportunity for homebuilders to monetize the water efficiency of their homes in the same fashion that the HERS Index does for energy efficiency.

That is why the builders, real estate professionals, code officials and home rating professionals recently convened on Tuesday, February 27, in Orlando for the first ever live demonstration of the HERS_H2O Index rating process during the 2018 RESNET Building Performance Conference.

KB Home and TopBuild hosted a live demonstration of RESNET’s water efficiency rating, a short distance from Lake Buena Vista Resort, site of the RESNET 2018 Conference. Homebuilding professionals in attendance heard a briefing about the development of the HERS_H2O rating system, then followed a HERS_H2O rater to perform the rating.

For more information on the RESNET water efficiency rating go to RESNET HERS_H2O.

Publication date: 3/5/2018

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