ASHRAE/IES energy standard could become more applicable for global use

Proposed addendum updates climate data and adds a climate zone

A proposed addendum to ANSI/ASHRAE/IES Standard 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings would make the standard more applicable for use around the world.

The addendum was developed in response to an update of ASHRAE Standard 169-2013, Climatic Data for Building Design Standards, which now contains updated climate data and adds Climate Zone 0 with humid (0A) and dry (0B) zones. This has global implications for the standard, as Climate Zone 0 does not exist in the United States and is primarily used in the equatorial regions of South America, Africa, Middle East, southern Asia, and the south Pacific.

“It gives the standard more of an international view with maps and data never before available to users,” Dru Crawley, chair of the Standard 169 committee, said. “Previously there was the single U.S. map. Now there are high-level (1 deg latitude/longitude) maps of the world, covering each continent and major countries.”

This and other addenda are open for public review from Dec. 5, 2014, until Jan. 4, 2015.


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