Advanced Water Heating Specification v8.0

The Advanced Water Heating Specification Version 8.0 (AWHS Version 8.0) will stay up as reference for organizations.

The newest version of the AWHS Version 8.1 succeeds the AWHS Version 8.0 and was made available in July 2024.

If you have any questions and or insights please contact us.

This specification provides guidance to manufacturers and other market actors who are interested in developing products that not only meet ENERGY STAR criteria but are able to provide high levels of consumer satisfaction and energy performance in a range of climates.


Updated as of 2022

Water heating Water heater electric Water heater Water Specification Advanced  Heat Pump  AWHS  Northern Climate Northern Climate Specification

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