The updated edition introduces advancements in building design and sets ambitious goals for energy efficiency, greenhouse gas emissions reduction, and indoor environmental quality.

The “National Definition of a Zero Emissions Building: Part 1 Operating Emissions” is a comprehensive guideline aimed at providing a broadly accepted minimum standard for what constitutes a zero-emissions building.

Standard 90.1-2022 marks the first time onsite generation of renewable energy systems has been incorporated as a prescriptive requirement.

The standard sets requirements for evaluating whether a building or group of buildings meets a definition of “zero net energy” or a definition of “zero net carbon” during building operation.

ASHRAE has released its latest version of its benchmark energy efficiency standard, ANSI/ASHRAE/IES Standard 90.1-2022 - Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings.