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Aug 9, 2021

“Plans to protect air and water, wilderness and wildlife

are in fact plans to protect man.”

-Stuart Udall 


There’s no way around it. Water is essential to life.

Water, like energy, is an environmental resource and requires (demands?) more attention from all. In fact, we’ve talked about water in 4 previous episodes of RESTALK over the last 4 years.

How does the EPA WaterSense program address this topic?

What are the updates in WaterSense Labeled Homes 2.0?

How does the HERS H2O rating work?


Seasoned water efficiency professional Jonah Schein (US EPA) and Ryan Meres (Program Director RESNET), return to the podcast to give us updates on the EPA WaterSense Labeled Homes V2.0 and HERS H2O programs. 

Jonah and Ryan share their thoughts and help us learn more about:

The move from a prescriptive to a performance-based approach
How to handle projects that started using Version 1.0
The ease of access to proper training
Why water is important to the building industry

Catch up with the “backstory” via previous episodes of RESTalk: Episode 3 (2018), Bonus-1 (2019) and Episodes 50 & 62 from 2020.

You can purchase the ANSI/RESNET/ICC Standard 850-2020 at the ICC Store:

The standard can be viewed for free at this link: - just select "View as Basic" for a view-only version of the standard. 

For updated information on the RESNET HERSH20 program, visit:

You’ll find information on the EPA’s WaterSense program at

If you have access to the RESNET 2021 conference you can learn more about this topic in Sessions RES-12 and EPP-16.

RESTalk: To the RESNET community, we hear you and want to engage.

Learn more at

Or for more info on this topic contact RESNET at INFO@RESNET.US