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ASHRAE/IES 90.1ai:2016

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Energy Standard for Buildings Except Low-Rise Residential Buildings

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This addendum includes wording clarifications to the exceptions of section 5.5.4.1, modifications to vertical fenestration U-factors in climate zones 2-3, reductions to SHGC in zones 4-5, and reverting the skylight U-factor in zone 7 back to the current requirement following additional analysis of skylight energy savings in the reference retail building model.

Author ANSI/ASHRAE/IES
Editor ASHRAE
Document type Standard
Format File
Confirmation date 2016-07-26
ICS 91.120.10 : Thermal insulation of buildings
Modify ANSI/ASHRAE/IESNA 90.1 (2013)
Year 2016
Document history
Country USA
Keyword ANSI 90;ANSI/ASHRAE/IES 90;90;ANSI/ASHRAE/IES 90.1ai-2016