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This addendum changes the U-, C- and F- factors and the SHGC from 10 % to 5 % based on these limits being more practical to design and build, while having only a limited impact on energy use.
Author | ANSI/ASHRAE/USGBC/IES |
---|---|
Editor | ASHRAE |
Document type | Standard |
Format | File |
Confirmation date | 2017-03-02 |
ICS | 91.120.10 : Thermal insulation of buildings
91.140.01 : Installations in buildings in general |
Modify | ANSI/ASHRAE/USGBC/IES 189.1 (2011) |
Year | 2017 |
Document history | |
Country | USA |
Keyword | ANSI 189;ANSI/ASHRAE/USGBC 189;ANSI/ASHRAE/USGBC/IES 189;189;ANSI/ASHRAE/USGBC/IES 189.1k-2017 |