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Learn more about Addenda to Standard 135.1-2009 at ashrae.org
View addenda for ASHRAE Standards, including continuous maintenance standards, available here online in PDF format.
A03 -- Commercial and Public Buildings (I-P)
Standard 90.1-2019 (I-P Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)
Errata Sheet for Standard 90.1-2010 (I-P Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IESNA Co-Sponsored)
SE-14-C029 -- Eight Years of Operation of 615 Ton Geothermal Nursing Home in Northern Tier
ANSI/ASHRAE Addenda a, b, and d to ANSI/ASHRAE Standard 52.2-2012
ANSI/ASHRAE Addendum a to ANSI/ASHRAE Standard 84-2013
ANSI/ASHRAE Addendum d to ANSI/ASHRAE Standard 135.1-2009