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Online Rating System (ORS) Updates and Tips

2021 City of Austin Code Update

The City of Austin is adopting new technical codes that begin to take effect on September 1st, 2021. See this link for further information on the new codes: https://publicinput.com/2021TechnicalCodeChanges To learn more about how this may affect your new AEGB project, please see this link from the local AIA chapter: https://www.aiaaustin.org/code-update-city-austin

Updated Commercial Innovation Guide

The wait is over! The updated Commercial AEGB Innovation Guide is now available in the help section. This edition of the Guide sees 18 new and 18 revised Innovations, Alternative Compliance Paths, and Exemplary Performance Paths.

If you have questions or comments about anything new or revised, please reach out to your AEGB Representative.

Updated IC3 Calculator for Single-Family Projects

Austin Energy Green Building has partnered with Energy Systems Laboratory at Texas A&M to include updates to the 2015 IECC IC3 Calculator for Austin. When creating or editing a project, you will now see an option for 2015 IECC AE REVISED. To ensure no data loss for existing projects the 2015 IECC AE version still exists. Updates include

adding option for a 4^th floor
updating efficiency specs for heat pump systems and water heaters
incorporating UEF metric for water heaters
updating minimum ceiling insulation R-values for better flexibility in the performance path

If none of these changes apply to you, keep using the 2015 IECC AE version. Otherwise, give the updated version a try! https://ic3.tamu.edu/

All changes will get rolled up into a 2021 IECC AE calculator once developed.


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