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Addenda for ASHRAE Standards, including continuous maintenance standards, are available online in PDF format. Standards that are on continuous maintenance are continuously updated through addenda and ASHRAE makes these available free online..

If you wish to comment on one or more addenda, please use:

Online Comment Database


Guideline 0-2005, The Commissioning Process

pdf_icon.png Guideline 0: Addenda a, b, c, d


Guideline 0-2019, The Commissioning Process

pdf_icon.png Guideline 0: Addenda a


Guidelines 1, 5, 30,31 

Effective upon the publication of ASHRAE Guideline 1.1-2007, The HVAC Commissioning Process, Standards Committee approved the renumbering of the ASHRAE commissioning guidelines  as follows:

  1. Guideline 1 will become Guideline 1.1, The HVAC Commissioning Process
  2. Guideline 30 will become Guideline 1.2, The Commissioning Process for Existing HVAC&R Systems
  3. Guideline 31 will become Guideline 1.3, Building Operations and Maintenance Training for HVAC&R  Commissioning Process
  4. Guideline 5 will become Guideline 1.5, Commissioning Smoke Control Systems

Guideline 10-2011, Interactions Affecting the Achievement of Acceptable Indoor Environments

pdf_icon.png Guideline 10-2011 Addenda a, b, c, d

pdf_icon.png Guideline 10-2011 Addendum e

pdf_icon.png Guideline 10-2011 Addendum f

pdf_icon.png Guideline 10-2011 Addendum g (June 2016)


Guideline 12-2020, Managing the Risk of Legionellosis Associated with Building Water Systems

pdf_icon.png Addendum a to Guideline 12-2020

pdf_icon.png Addendum b to Guideline 12-2020

pdf_icon.png Addendum c to Guideline 12-2020


Guideline 13-2007, Specifying Direct Digital Control Systems

pdf_icon.png Addenda a to Guideline 13-2007

pdf_icon.png Addenda b, c, d to Guideline 13-2007

pdf_icon.png Addendum e to Guideline 13-2007

pdf_icon.png Addenda f to Guideline 13-2007

pdf_icon.png Addenda g, h, and i to Guideline 13-2007


Guideline 13-2000, Specifying Direct Digital Control Systems

pdf_icon.png Guideline 13-2000: Addenda b, d, l, m, n, p, q

Addenda to Guideline 13-2000


Guideline 28-2012, Air Quality within Commercial Aircraft

pdf_icon.png Addendum a to Guideline 28-2012


Guideline 28-2016, Air Quality within Commercial Aircraft

pdf_icon.png Addendum a to Guideline 28-2016 (January 22, 2019)

pdf_icon.png Addendum b to Guideline 28-2016 (October 10, 2018)

pdf_icon.png Addendum c to Guideline 28-2016 (October 10, 2018)

pdf_icon.png Addendum e to ASHRAE Guideline 28-2016 (December 3, 2019)

pdf_icon.png Addendum d to ASHRAE Guideline 28-2016 (May 25, 2021)


Guideline 29-2009, Guideline for Risk Management of Public Health and Safety in Buildings

pdf_icon.png Addendum a to Guideline 29-2009


Guideline 36-2018, High-Performance Sequences of Operation for HVAC Systems

Addenda to Guideline 36-2018


Guideline 36-2021, High-Performance Sequences of Operation for HVAC Systems

pdf_icon.png Addendum b to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum c to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum d to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum e to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum g to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum h to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum i to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum m to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum o to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum p to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum r to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum s to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum t to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum u to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum v to Guideline 36-2021 (March 14, 2024)

pdf_icon.png Addendum w to Guideline 36-2021 (March 14, 2024)


Guideline 41-2020, Design, Installation and Commissioning of Variable Refrigerant Flow (VRF) Systems

pdf_icon.png Addendum a to Guideline 41-2020

pdf_icon.png Addendum b to Guideline 41-2020

pdf_icon.png Addendum c to Guideline 41-2020

pdf_icon.png Addendum d to Guideline 41-2020

pdf_icon.png Addendum e to Guideline 41-2020 

pdf_icon.png Addendum f to Guideline 41-2020 

pdf_icon.png Addendum g to Guideline 41-2020


Standard 15-1994, Safety Code for Mechanical Refrigeration

pdf_icon.png Addendum a to Standard 15-1994

pdf_icon.png Addendum b to Standard 15-1994

pdf_icon.png Addenda c and d to Standard 15-1994


Standard 15-2001, Safety Standard for Refrigeration Systems

pdf_icon.png Addendum a to Standard 15-2001


Standard 15-2004, Safety Standard for Refrigeration Systems

pdf_icon.png Addendum b for Standard 15-2004: Addenda Supplement Package 

pdf_icon.png Addendum c for Standard 15-2004


Standard 15-2007, Safety Standard for Refrigeration Systems

pdf_icon.png Standard 15-2007 Addenda Supplement Package (Contains Addenda a, b, c, d, and e)

pdf_icon.png Addenda f and h for Standard 15-2007

pdf_icon.png Addendum g for Standard 15-2007

pdf_icon.png Addendum i for Standard 15-2007


ANSI/ASHRAE Standard 15-2010, Safety Standard for Refrigeration Systems

pdf_icon.png Standard 15-2010 2012 Addenda Supplement (Contains Addenda b, c, d, e, and f)


ANSI/ASHRAE Standard 15-2013, Safety Standard for Refrigeration Systems

pdf_icon.png Standard 15-2013 Addendum a

pdf_icon.png Standard 15-2013 Addendum b

pdf_icon.png Standard 15-2013 Addendum c

pdf_icon.png Standard 15-2013 Addendum e

pdf_icon.png Standard 15-2013 Addendum g


ANSI/ASHRAE Standard 15-2016, Safety Standard for Refrigeration Systems

pdf_icon.png Standard 15-2016 Addendum a

pdf_icon.png Standard 15-2016 Addendum b

pdf_icon.png Standard 15-2016 Addendum c

pdf_icon.png Standard 15-2016 Addendum d (October 23, 2018)

pdf_icon.png Standard 15-2016 Addendum e

pdf_icon.png Standard 15-2016 Addendum f

pdf_icon.png Standard 15-2016 Addendum h (June 12, 2019)


ANSI/ASHRAE Standard 15-2019, Safety Standard for Refrigeration Systems

pdf_icon.png Standard 15-2019 Addendum a

pdf_icon.png Standard 15-2019 Addendum b

pdf_icon.png Standard 15-2019 Addendum c (September 2, 2020)

pdf_icon.png Standard 15-2019 Addendum d (May 6, 2022)

pdf_icon.png Standard 15-2019 Addendum e (January 27, 2022)

pdf_icon.png Standard 15-2019 Addendum f

pdf_icon.png Standard 15-2019 Addendum g (August 31, 2022)

pdf_icon.png Standard 15-2019 Addendum i

pdf_icon.png Standard 15-2019 Addendum j (October 30, 2020)

pdf_icon.png Standard 15-2019 Addendum k (October 30, 2020)

pdf_icon.png Standard 15-2019 Addendum l (August 31, 2022)

pdf_icon.png Standard 15-2019 Addendum m (July 5, 2022)

pdf_icon.png Standard 15-2019 Addendum n (June 1, 2022)

pdf_icon.png Standard 15-2019 Addendum o (April 29, 2022)

pdf_icon.png Standard 15-2019 Addendum p (August 31, 2022)

pdf_icon.png Standard 15-2019 Addendum q (June 1, 2022)

pdf_icon.png Standard 15-2019 Addendum r (June 1, 2022)

pdf_icon.png Standard 15-2019 Addendum s (August 31, 2022)

pdf_icon.png Standard 15-2019 Addendum u (August 31, 2022)

pdf_icon.png Standard 15-2019 Addendum v (August 31, 2022)

pdf_icon.png Standard 15-2019 Addendum w (August 31, 2022)


ANSI/ASHRAE Standard 15-2022, Safety Standard for Refrigerated Systems

pdf_icon.png Addendum a to Standard 15-2022 (March 13, 2024)

pdf_icon.png Addendum e to Standard 15-2022 (September 29, 2023)

pdf_icon.png Addendum f to Standard 15-2022 (September 29, 2023) 

pdf_icon.png Addendum g to Standard 15-2022 (September 29, 2023) 

pdf_icon.png Addendum h to Standard 15-2022 (September 29, 2023)

pdf_icon.png Addendum i to Standard 15-2022 (February 21, 2024)


ANSI/ASHRAE Standard 15.2-2022, Safety Standard for Refrigeration Systems in Residential Applications

pdf_icon.png Addendum a to Standard 15.2-2022 (October 31, 2022)

pdf_icon.png Addendum b to Standard 15.2-2022 (October 31, 2022)

pdf_icon.png Addendum c to Standard 15.2-2022 (March 29, 2024)

pdf_icon.png Addendum d to Standard 15.2-2022 (June 30, 2023)


ANSI/ASHRAE Standard 30-2019, Method of Testing Liquid Chillers

pdf_icon.png Standard 30-2019 Addendum a (May 29, 2020)

pdf_icon.png Standard 30-2019 Addendum b (April 30, 2021)

pdf_icon.png Standard 30-2019 Addendum d (March 13, 2024)

pdf_icon.png Standard 30-2019 Addendum f (January 31, 2023)


ANSI/ASHRAE Standard 34-1997, Number Designation and Safety Classification of Refrigerants

pdf_icon.pngStandard 34-1997 Addenda a, b, c, d, e, f, j, k, l, o, p

pdf_icon.png Standard 34-1997 Addendum m 

pdf_icon.pngStandard 34-1997 Addendum n


ANSI/ASHRAE Standard 34-2001, Designation and Safety Classifications of Refrigerants

Addenda to Standard 34-2001


ANSI/ASHRAE Standard 34-2004, Designation and Safety Classification of Refrigerants

pdf_icon.png Standard 34-2004: Addenda Supplement Package (Contains Addenda a, b, c, e, f, k, n, o, p, q, r, s, and u) (PDF)

pdf_icon.png Standard 34-2004: Addenda d, j, l, m, t (PDF)

pdf_icon.png Standard 34-2004: Addendum g (PDF)

pdf_icon.png Standard 34-2004: Addendum h (PDF)

pdf_icon.png Standard 34-2004: Addendum i (PDF)

pdf_icon.png Standard 34-2004: Addenda v, w (PDF)


ANSI/ASHRAE Standard 34-2007, Designation and Safety Classification of Refrigerants

Addenda to Standard 34-2007


Standard 34-2010, Designation and Safety Classification of Refrigerants

Addenda to Standard 34-2010


ANSI/ASHRAE Standard 34-2013, Designation and Safety Classification of Refrigerants

Addenda to Standard 34-2013


ANSI/ASHRAE Standard 34-2016, Designation and Safety Classification of Refrigerants

Addenda to Standard 34-2016


ANSI/ASHRAE Standard 34-2019, Designation and Safety Classification of Refrigerants

Addenda to Standard 34-2019


ANSI/ASHRAE Standard 34-2022, Designation and Safety Classification of Refrigerants

pdf_icon.png Addendum a to Standard 34-2022 (December 30, 2022)

pdf_icon.png Addendum b to Standard 34-2022 (November 30, 2022)

pdf_icon.png Addendum c to Standard 34-2022 (November 30, 2022)

pdf_icon.png Addendum d to Standard 34-2022 (January 31, 2023)

pdf_icon.png Addendum e to Standard 34-2022 (January 31, 2023)

pdf_icon.png Addendum f to Standard 34-2022 (January 31, 2023)

pdf_icon.png Addendum g to Standard 34-2022 (April 28, 2023)

pdf_icon.png Addendum h to Standard 34-2022 (April 28, 2023)

pdf_icon.png Addendum i to Standard 34-2022 (March 29, 2024)

pdf_icon.png Addendum j to Standard 34-2022 (April 28, 2023)

pdf_icon.png Addendum k to Standard 34-2022 (April 28, 2023)

pdf_icon.png Addendum l to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum m to Standard 34-2022 (April 28, 2023)

pdf_icon.png Addendum o to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum p to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum q to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum r to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum s to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum t to Standard 34-2022 (September 29, 2023)

pdf_icon.png Addendum v to Standard 34-2022 (January 4, 2024)

pdf_icon.png Addendum w to Standard 34-2022 (January 4, 2024)

pdf_icon.png Addendum x to Standard 34-2022 (March 29, 2024)

pdf_icon.png Addendum y to Standard 34-2022 (March 29, 2024)

pdf_icon.png Addendum z to Standard 34-2022 (March 29, 2024)

pdf_icon.png Addendum ac to Standard 34-2022 (October 31, 2022)

pdf_icon.png Addendum ah to Standard 34-2022 (October 31, 2022)


ANSI/ASHRAE Standard 41.1-2020 Standard Methods for Temperature Measurements

pdf_icon.png Addendum a to Standard 41.1-2020 (June 1, 2022)


ANSI/ASHRAE Standard 41.2-2022 Standard Methods for Air Velocity and Airflow Measurement

pdf_icon.png Addendum a to Standard 41.2-2022 (January 31, 2024)

pdf_icon.png Addendum b to Standard 41.2-2022 (January 31, 2024)


ANSI/ASHRAE Standard 41.3-2022 Standard Methods for Pressure Measurement

pdf_icon.png Addendum a to Standard 41.3-2022 (January 31, 2023)


ANSI/ASHRAE Standard 41.6-2021 Standard Methods for Humidity Measurement

pdf_icon.png Addendum a to Standard 41.6-2021 (November 30, 2022)


ANSI/ASHRAE Standard 41.7-2021 Standard Methods for Gas Flow Measurement

pdf_icon.png Addendum a to Standard 41.7-2021 (January 31, 2023)


ANSI/ASHRAE Standard 41.9-2021 Standard Methods for Refrigerant Mass Flow Measurement Using Calorimeters

pdf_icon.png Addendum a to Standard 41.9-2021 (July 31, 2023)


ANSI/ASHRAE Standard 41.10-2020 Standard Methods for Refrigerant Mass Flow Rate Measurements Using Flowmeters

pdf_icon.png Addendum a to Standard 41.10-2020 (October 29, 2021)

pdf_icon.png Addendum b to Standard 41.10-2020 (June 1, 2022)


ANSI/ASHRAE Standard 41.11-2020 Standard Methods for Power Measurement

pdf_icon.png Standard 41.11-2020 Addendum a (October 29, 2021)


ANSI/ASHRAE/AMCA 51-1999, Laboratory Methods of Testing Fans for Aerodynamic Performance Rating

pdf_icon.png Addendum a to Standard 51-1999/AMCA 210-99


ANSI/ASHRAE Standard 52.2-1999, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

pdf_icon.pngStandard 52.2-1999: Addenda Supplement Package (Contains Addendum a)


Standard 52.2-2007, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

pdf_icon.png Standard 52.2-2007 Addenda Supplement Package (Contains Addendum b)


Standard 52.2-2012, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

pdf_icon.png Standard 52.2-2012 2015 Addenda Supplement Package (Contains Addenda a, b, and d) (February 26, 2015)

pdf_icon.png Standard 52.2-2012 Addendum c (August 4, 2015)

pdf_icon.png Standard 52.2-2012 Addendum e (March 2, 2016)

pdf_icon.png Standard 52.2-2012 Addendum f (March 2, 2016)

pdf_icon.png Standard 52.2-2012 Addendum g (January 23, 2017)

pdf_icon.png Standard 52.2-2012 Addendum i (January 23, 2017)


Standard 52.2-2017, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

pdf_icon.png Addendum a to Standard 52.2-2017

pdf_icon.png Addendum b to Standard 52.2-2017

pdf_icon.png Addendum c to Standard 52.2-2017 (January 21, 2022)


Standard 55-1992, Thermal Environmental Conditions for Human Occupancy

pdf_icon.png Addendum a to Standard 55-1992


Standard 55-2004, Thermal Environmental Conditions for Human Occupancy

pdf_icon.png Addenda a and b to Standard 55-2004

pdf_icon.png Addenda d, e, f, and g to ANSI/ASHRAE Standard 55-2004

pdf_icon.png Addendum h to ANSI/ASHRAE Standard 55-2004

pdf_icon.png Addenda i and k to ANSI/ASHRAE Standard 55-2004

pdf_icon.png Addendum j to ANSI/ASHRAE Standard 55-2004


ANSI/ASHRAE Standard 55-2010, Thermal Environmental Conditions for Human Occupancy

Addenda to Standard 55-2010


ANSI/ASHRAE Standard 55-2013, Thermal Environmental Conditions for Human Occupancy

pdf_icon.png Addendum a to Standard 55-2013

pdf_icon.png Addendum b to Standard 55-2013

pdf_icon.png Addendum c to Standard 55-2013

pdf_icon.png Addendum d to Standard 55-2013

pdf_icon.png Addendum e to Standard 55-2013

pdf_icon.png Addendum f to Standard 55-2013

pdf_icon.png Addendum g to Standard 55-2013


ANSI/ASHRAE 55-2017, Thermal Environmental Conditions for Human Occupancy

pdf_icon.png Addendum a to Standard 55-2017 (October 2, 2018)

pdf_icon.png Addendum b to Standard 55-2017 (May 31, 2019)

pdf_icon.png Addendum c to Standard 55-2017 (August 3, 2020)

pdf_icon.png Addendum d to Standard 55-2017 (August 3, 2020)

pdf_icon.png Addendum e to Standard 55-2017 (September 30, 2020)

pdf_icon.png Addendum f to Standard 55-2017 (September 2, 2020)

pdf_icon.png Addendum g to Standard 55-2017 (January 29, 2021)

pdf_icon.png Addendum h to Standard 55-2017 (January 29, 2021)


ANSI/ASHRAE 55-2020, Thermal Environmental Conditions for Human Occupancy

pdf_icon.png Addendum a to Standard 55-2020 (April 30, 2021)

pdf_icon.png Addendum b to Standard 55-2020 (April 30, 2021)

pdf_icon.png Addendum c to Standard 55-2020 (April 30, 2021)

pdf_icon.png Addendum d to Standard 55-2020 (October 29, 2021)

pdf_icon.png Addendum e to Standard 55-2020 (June 30, 2021)

pdf_icon.png Addendum f to Standard 55-2020 (June 30, 2021)

pdf_icon.png Addendum g to Standard 55-2020 (April 29, 2022)

pdf_icon.png Addendum h to Standard 55-2020 (December 30, 2022)

pdf_icon.png Addendum i to Standard 55-2020 (April 28, 2023)

pdf_icon.png Addendum j to Standard 55-2020 (October 31, 2023)

pdf_icon.png Addendum k to Standard 55-2020 (October 31, 2023)


ANSI/ASHRAE 62-1999, Ventilation for Acceptable Indoor Air Quality

pdf_icon.png Addendum j to Standard 62-1999

pdf_icon.png Addendum l to Standard 62-1999

pdf_icon.png Addendum m to Standard 62-1999

pdf_icon.png Addendum p to Standard 62-1999

pdf_icon.png Addendum q to Standard 62-1999

pdf_icon.png Addendum s to Standard 62-1999

pdf_icon.png Addendum w to Standard 62-1999


ANSI/ASHRAE 62-2001, Ventilation for Acceptable Indoor Air Quality

Addenda to Standard 62-2001


ANSI/ASHRAE Standard 62.1-2004, Ventilation for Acceptable Indoor Air Quality

pdf_icon.png Standard 62.1-2004: Addenda Supplement Package (This Addenda Package contains Addenda a, b, c, d, and g.)

pdf_icon.png Standard 62.1-2004: Addendum e and f (Contains Addenda e and f)

pdf_icon.png Standard 62.1-2004 Addendum h


ANSI/ASHRAE Standard 62.1-2007, Ventilation for Acceptable Indoor Air Quality

pdf_icon.png Standard 62.1-2007 Addenda Supplement Package (Contains Addenda a, b, e, f, and h)

pdf_icon.png Standard 62.1-2007 Addenda c, d, i, and p

pdf_icon.png Standard 62.1-2007 Addendum j

pdf_icon.png Standard 62.1-2007 Addendum k

pdf_icon.png Standard 62.1-2007 Addenda l, m, n, o, and s

pdf_icon.png Standard 62.1-2007 Addendum q

pdf_icon.png Standard 62.1-2007 Addenda g, r, and t


ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality

pdf_icon.png Standard 62.1-2010 Addenda Supplement Package (Contains Addenda a, c, d, and e)

pdf_icon.png Standard 62.1-2010 Addenda b and m

pdf_icon.png Standard 62.1-2010 Addenda h and l

pdf_icon.png Standard 62.1-2010 Addendum n

pdf_icon.png Standard 62.1-2010 Addendum o


ANSI/ASHRAE Standard 62.1-2013, Ventilation for Acceptable Indoor Air Quality

pdf_icon.png Standard 62.1-2013 Addenda Supplement Package for 2015 (Contains Addenda a, c, j, k, q, r, and s)

pdf_icon.png Addendum d to Standard 62.1-2013

pdf_icon.png Addendum e to Standard 62.1-2013

pdf_icon.png Addendum f to Standard 62.1-2013

pdf_icon.png Addendum g to Standard 62.1-2013

pdf_icon.png Addendum h to Standard 62.1-2013

pdf_icon.png Addendum i to Standard 62.1-2013

pdf_icon.png Addendum p to Standard 62.1-2013


ANSI/ASHRAE Standard 62.1-2016, Ventilation for Acceptable Indoor Air Quality

Addenda to Standard 62.1-2016


ANSI/ASHRAE Standard 62.1-2019, Ventilation and Acceptable Indoor Air Quality

pdf_icon.png Addendum a to Standard 62.1-2019 (February 26, 2021)

pdf_icon.png Addendum b to Standard 62.1-2019 (June 30, 2020)

pdf_icon.png Addendum c to Standard 62.1-2019 (October 30, 2020)

pdf_icon.png Addendum d to Standard 62.1-2019 (October 30, 2020)

pdf_icon.png Addendum f to Standard 62.1-2019 (June 30, 2021)

pdf_icon.png Addendum g to Standard 62.1-2019 (October 1, 2021)

pdf_icon.png Addendum i to Standard 62.1-2019 (April 29, 2022)

pdf_icon.png Addendum p to Standard 62.1-2019 (February 11, 2020)

pdf_icon.png Addendum y to Standard 62.1-2019 (November 19, 2019)

pdf_icon.png Addendum aa to Standard 62.1-2019 (February 14, 2022)

pdf_icon.png Addendum ao to Standard 62.1-2019 (December 13, 2019)


ANSI/ASHRAE Standard 62.1-2022, Ventilation and Acceptable Indoor Air Quality

pdf_icon.png Addendum a to Standard 62.1-2022 (October 31, 2023)

pdf_icon.png Addendum b to Standard 62.1-2022 (October 31, 2023)

pdf_icon.png Addendum c to Standard 62.1-2022 (October 31, 2023)

pdf_icon.png Addendum e to Standard 62.1-2022 (September 30, 2022)

pdf_icon.png Addendum m to Standard 62.1-2022 (September 30, 2022)

pdf_icon.png Addendum n to Standard 62.1-2022 (September 30, 2022)

pdf_icon.png Addendum x to Standard 62.1-2022 (September 23, 2022)

pdf_icon.png Addendum ab to Standard 62.1-2022 (October 31, 2023)


ANSI/ASHRAE Standard 62.2-2003, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

pdf_icon.png Addendum a to Standard 62.2-2003

pdf_icon.png Addendum a to Standard 62.2-2003


ANSI/ASHRAE Standard 62.2-2004, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

pdf_icon.png Standard 62.2-2004: Addenda Supplement Package (Contains Addendum g) (PDF)

pdf_icon.png Addendum e to Standard 62.2-2004

pdf_icon.png Addendum h to Standard 62.2-2004

pdf_icon.png Addendum i to Standard 62.2-2004


ANSI/ASHRAE Standard 62.2-2007, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

pdf_icon.png Standard 62.2-2007 Addenda Supplement Package (Contains Addenda a, b, c, and k)

pdf_icon.png Standard 62.2-2007 Addendum d

pdf_icon.png Standard 62.2-2007 Addendum e

pdf_icon.png Standard 62.2-2007 Addenda f, g, h, and i

pdf_icon.png Standard 62.2-2007 Addendum j

pdf_icon.png Standard 62.2-2007 Addenda m, n, o, p, and t

pdf_icon.png Standard 62.2-2007 Addenda q and r


Standard 62.2-2010, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

Addenda to Standard 62.2-2010


ANSI/ASHRAE Standard 62.2-2013, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings

Addenda to Standard 62.2-2013


ANSI/ASHRAE Standard 62.2-2016, Ventilation for Acceptable Indoor Air Quality in Low-Rise Residential Buildings

Addenda to Standard 62.2-2016


ANSI/ASHRAE Standard 62.2-2019, Ventilation for Acceptable Indoor Air Quality in Low-Rise Residential Buildings

pdf_icon.png Addendum b to Standard 62.2-2019 (April 30, 2021)

pdf_icon.png Addendum d to Standard 62.2-2019 (September 30, 2020)

pdf_icon.png Addendum e to Standard 62.2-2019 (April 30, 2021)

pdf_icon.png Addendum f to Standard 62.2-2019 (July 30, 2021)

pdf_icon.png Addendum g to Standard 62.2-2019 (July 30, 2021)

pdf_icon.png Addendum h to Standard 62.2-2019 (April 29, 2022)

pdf_icon.png Addendum l to Standard 62.2-2019 (April 29, 2022)

pdf_icon.png Addendum v to Standard 62.2-2019 (September 2, 2020)

pdf_icon.png Addendum x to Standard 62.2-2019 (March 2, 2020)

pdf_icon.png Addendum y to Standard 62.2-2019 (May 4, 2021)


ANSI/ASHRAE Standard 62.2-2022, Ventilation for Acceptable Indoor Air Quality in Residential Buildings

pdf_icon.png Addendum a to Standard 62.2-2022 (March 14, 2024)

pdf_icon.png Addendum d to Standard 62.2-2022 (June 30, 2023)

pdf_icon.png Addendum e to Standard 62.2-2022 (April 28, 2023)

pdf_icon.png Addendum f to Standard 62.2-2022 (February 21, 2024)

pdf_icon.png Addendum i to Standard 62.2-2022 (September 23, 2022)

pdf_icon.png Addendum k to Standard 62.2-2022 (July 25, 2023)

pdf_icon.png Addendum m to Standard 62.2-2022 (September 23, 2022)


Standard 72-2022, Method of Testing Open and Closed Commercial Refrigerators and Freezers

pdf_icon.png Addendum a to Standard 72-2022 (October 31, 2023)


Standard 84-2013, Method of Testing Air-to-Air Heat/Energy Exchangers

pdf_icon.png Addendum a to Standard 84-2013


Standard 90.1-1999, Energy Standard for Buildings Except Low-Rise Residential Buildings

Addenda to Standard 90.1-1999


Standard 90.1-2001, Energy Standard for Buildings Except Low-Rise Residential Buildings

Addenda to Standard 90.1-2001 (I-P and SI versions)


Standard 90.1-2004, Energy Standard for Buildings Except Low-Rise Residential Buildings (I-P and SI versions)

Addenda to Standard 90.1-2004


Standard 90.1-2007, Energy Standard for Buildings Except Low-Rise Residential Buildings (I-P and SI)

pdf_icon.png Standard 90.1-2007: Addenda Supplement Package (Addenda Package includes Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw )

Standard 90.1-2007 Addenda


Standard 90.1-2010, Energy Standard for Buildings Except Low-Rise Residential Buildings (I-P and SI)

pdf_icon.png Standard 90.1-2010, Addenda 2012 Supplement: Addenda Supplement Package (Addenda Package includes Addenda a, b, c, g, h, j, k, o, p, s, y, z, bz, cg, ci, and ds)

pdf_icon.png Standard 90.1-2010, Addenda 2013 Supplement: Addenda Supplement Package (Addenda Package includes Addenda e, f, i, l, m, n, q, r, u, w, aa, ad, ae, af, ag, ah, ai, aj, al, am, an, ap, aq, ar, as, at, au, av, aw, ax, ay, az, ba, bb, bc, bd, be, bf, bg, bh, bi, bj, bk, bl, bn, bo, bp, bq, br, bs, bt, bv, bw, bx, by, ca, cb, cc, cd, ce, cf, ch, cj, ck, cl, cm, cn, co, cp, cr, ct, cv, cy, cz, da, db, dc, dd, de, dg, di, dj, dk, dl, dm, dn, do, dp, dq, dr, dt, dv, and dw


Standard 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings (I-P and SI)

pdf_icon.png Standard 90.1-2013, Addenda 2015 Supplement: Addenda Supplement Package (Addenda package includes Addenda a, c, d, e, g, h, j, k, m, n, o, p, q, r, s, z, aa, ac, ad, ae, ag, ak, bm, and dx) (March 30, 2016)

pdf_icon.png Standard 90.1-2013, Addenda 2016 Supplement Package (46.3 MB zip file) (Updated July 31, 2017)
(Addenda package includes Addenda f, i, l, u, v, w, ab, af, ah, ai, aj, al, am, an, ao, ap, aq, ar, as, at, au, av, aw, ay, az, ba, bb, bc, bd, bh, bi, bj, bk, bl, bn, bo, bp, bq, br, bs, bt, bv, bw bx, by, bz, ca, cb, cc, cd, ce, cf, cg, ch, ci, cj, ck, cl, cm, cn, co, cp, cq, ct, cv, cy, da, db, dc, dd, de, dg, dh, di, dk, dl, dm, do, dp, dq, dr, ds, dt, du, dv, dw, dy, dz, ea, eb, ec, ed, ef, eg, ej, ek, el)


Standard 90.1-2016, Energy Standard for Buildings Except Low-Rise Residential Buildings

pdf_icon.png Standard 90.1-2016: Addenda a, g, h, l, n, p, r

pdf_icon.png Standard 90.1-2016: Addenda b, c, d, e, f, j

pdf_icon.png Standard 90.1-2016: Addenda be, bm, bn, bo, bp, br, bs, bu, bv, cf, cl, cm, cq, ct, cu, cv, cw, cy

pdf_icon.png Standard 90.1-2016: Addenda k, o, x, ab, ac, ad, ae, ag, ah, ak, am

pdf_icon.png Standard 90.1-2016: Addenda m, ai, aj, au, az, bg, dn

pdf_icon.png Standard 90.1-2016: Addenda q, s, z, ap, aq, ar

pdf_icon.png Standard 90.1-2016: Addenda t, v, y, al, an, ao, at, aw, ay, az, ba, bb, bd, bf, bh, bi, bj, bk, bl bq, bt, bx, bz, ca, cc, ce, cg, ch, ci, cj, cn, co


Standard 90.1-2019, Energy Standard for Buildings Except Low-Rise Residential Buildings

Addenda to Standard 90.1-2019


Standard 90.1-2022, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings

pdf_icon.png Addendum a to Standard 90.1-2022 (May 16, 2023)

pdf_icon.png Addendum b to Standard 90.1-2022 (September 14, 2023)

pdf_icon.png Addendum d to Standard 90.1-2022 (June 30, 2023)

pdf_icon.png Addendum f to Standard 90.1-2022 (June 30, 2023)

pdf_icon.png Addendum h to Standard 90.1-2022 (March 14, 2024)

pdf_icon.png Addendum i to Standard 90.1-2022 (March 14, 2024)

pdf_icon.png Addendum j to Standard 90.1-2022 (March 14, 2024)

pdf_icon.png Addendum m to Standard 90.1-2022 (March 14, 2024)

pdf_icon.png Addendum o to Standard 90.1-2022 (March 29, 2024)

pdf_icon.png Addendum q to Standard 90.1-2022 (March 14, 2024)

pdf_icon.png Addendum bo to Standard 90.1-2022 (May 16, 2023)

pdf_icon.png Addendum ca to Standard 90.1-2022 (July 25, 2023)

pdf_icon.png Addendum cv to Standard 90.1-2022 (February 28, 2023)

pdf_icon.png Addendum cw to Standard 90.1-2022 (August 30, 2023)


Standard 90.2-1993, Energy Efficient Design of New Low-Rise Residential Buildings

pdf_icon.png Addendum a, b, and c to Standard 90.2-1993

pdf_icon.png Addendum l to Standard 90.2-1993


Standard 90.2-2001, Energy Efficient Design of New Low-Rise Residential Buildings

Addenda to Standard 90.2-2001


ANSI/ASHRAE Standard 90.2-2004, Energy-Efficient Design of Low-Rise Residential Buildings

pdf_icon.png Standard 90.2-2004: Addenda Supplement Package (Contains addenda a, b, f, g, h, and i)

pdf_icon.png Standard 90.2-2004: Addenda c, d, e, k


Standard 90.2-2007, Energy-Efficient Design of Low-Rise Residential Buildings

pdf_icon.png Standard 90.2-2007: Addendum b


Standard 90.2-2018, Energy-Efficient Design of Low-Rise Residential Buildings

pdf_icon.png Standard 90.2-2018: Addendum a (January 29, 2021)

pdf_icon.png Standard 90.2-2018: Addendum b (June 30, 2021)

pdf_icon.png Standard 90.2-2018: Addendum c (March 8, 2023)

pdf_icon.png Standard 90.2-2018: Addendum d (March 1, 2022)

pdf_icon.png Standard 90.2-2018: Addendum e (September 29, 2023)

pdf_icon.png Standard 90.2-2018: Addendum f (July 25, 2023)

pdf_icon.png Standard 90.2-2018: Addendum h (March 14, 2024)

pdf_icon.png Standard 90.2-2018: Addendum k (September 29, 2023) 

pdf_icon.png Standard 90.2-2018: Addendum l (February 21, 2024)


Standard 90.4-2016, Energy Standard for Data Centers

pdf_icon.png Standard 90.4-2016: Addendum a

pdf_icon.png Standard 90.4-2016: Addendum b

pdf_icon.png Standard 90.4-2016: Addendum d

pdf_icon.png Standard 90.4-2016: Addendum f

pdf_icon.png Standard 90.4-2016: Addendum g

pdf_icon.png Standard 90.4-2016: Addendum i


Standard 90.4-2019, Energy Standard for Data Centers

pdf_icon.png Addendum a to Standard 90.4-2019 (October 30, 2020)

pdf_icon.png Addendum b to Standard 90.4-2019 (October 30, 2020)

pdf_icon.png Addendum d to Standard 90.4-2019 (October 30, 2020)

pdf_icon.png Addendum e to Standard 90.4-2019 (October 30, 2020)

pdf_icon.png Addendum f to Standard 90.4-2019 (August 31, 2021)

pdf_icon.png Addendum h to Standard 90.4-2019 (September 23, 2022)

pdf_icon.png Addendum i to Standard 90.4-2019 (January 31, 2023)


Standard 90.4-2022, Energy Standard for Data Centers

pdf_icon.png Addendum g to Standard 90.4-2022 (January 31, 2024)


Standard 100-1995, Energy Conservation in Existing Buildings

pdf_icon.pngAddendum b to Standard 100


Standard 100-2015, Energy Efficiency in Existing Buildings

pdf_icon.png Addendum a to Standard 100

pdf_icon.png Addendum b to Standard 100

pdf_icon.png Addendum c to Standard 100

pdf_icon.png Addendum d to Standard 100


Standard 100-2018, Energy Efficiency in Existing Buildings

pdf_icon.png Addendum a to Standard 100-2018 (February 26, 2021)

pdf_icon.png Addendum b to Standard 100-2018 (October 1, 2021)

pdf_icon.png Addendum c to Standard 100-2018 (December 30, 2022)

pdf_icon.png Addendum d to Standard 100-2018 (July 25, 2023)

pdf_icon.png Addendum e to Standard 100-2018 (August 31, 2023)

pdf_icon.png Addendum f to Standard 100-2018 (January 31, 2023)

pdf_icon.png Addendum g to Standard 100-2018 (February 28, 2023)

pdf_icon.png Addendum h to Standard 100-2018 (October 31, 2022)

pdf_icon.png Addendum i to Standard 100-2018 (July 25, 2023)

pdf_icon.png Addendum j to Standard 100-2018 (November 30, 2023)

pdf_icon.png Addendum k to Standard 100-2018 (November 30, 2023)


Standard 105, Standard Methods of Measuring, Expressing and Comparing Building Energy Performance

pdf_icon.png Addenda a and b to 105-2007


Standard 135-1995, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

pdf_icon.png Addendum a to Standard 135-1995

pdf_icon.png Addendum b to Standard 135-1995

pdf_icon.png Addendum c to Standard 135-1995

pdf_icon.png Addendum d to Standard 135-1995

pdf_icon.png Addendum e to Standard 135-1995


Standard 135-2001, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

pdf_icon.png Addendum a to Standard 135-2001

pdf_icon.png Addendum a to Standard 135-2001

pdf_icon.png Addendum a to Standard 135-2001

pdf_icon.png Addendum a to Standard 135-2001


Standard 135-2004, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

pdf_icon.png Addendum a to Standard 135-2004

pdf_icon.png Addendum b to Standard 135-2004

pdf_icon.png Addendum c to Standard 135-2004

pdf_icon.png Addendum d to Standard 135-2004

pdf_icon.png Addendum e to Standard 135-2004

pdf_icon.png Addendum f to Standard 135-2004

pdf_icon.png Addendum m to Standard 135-2004


Standard 135-2008, BACnet™—A Data Communication Protocol for Building Automation and Control Networks

Addenda to Standard 135-2008


Standard 135-2010, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

pdf_icon.png Addendum i to Standard 135-2010

pdf_icon.png Addendum aa to Standard 135-2010

pdf_icon.png Addendum ad to Standard 135-2010 

pdf_icon.png Addendum ae to Standard 135-2010

pdf_icon.png Addendum af to Standard 135-2010 (175 MB)

pdf_icon.png Addendum ak to Standard 135-2010

pdf_icon.png Addendum ao to Standard 135-2010


Standard 135-2012, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

Addenda to Standard 135-2012


Standard 135-2016, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

Addenda to Standard 135-2016


Standard 135-2020, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks

pdf_icon.png Addendum bv to Standard 135-2020 (January 21, 2022)

pdf_icon.png Addendum ca to Standard 135-2020 (January 21, 2022)

pdf_icon.png Addendum cc to Standard 135-2020 (January 21, 2022)

pdf_icon.png Addendum cd to Standard 135-2020 (August 31, 2021)

pdf_icon.png Addendum ce to Standard 135-2020 (January 21, 2022)

pdf_icon.png Addendum cf to Standard 135-2020 (November 30, 2022)


Standard 135.1-2003, Method of Test for Conformance to BACnet

pdf_icon.png Addendum a to Standard 135.1-2003

pdf_icon.png Addendum c to Standard 135.1-2003


ANSI/ASHRAE Standard 135.1-2007, Method of Test for Conformance to BACnet™

pdf_icon.png Addendum b to Standard 135.1-2007


ANSI/ASHRAE Standard 135.1-2009, Method of Test for Conformance to BACnet™

Addenda to Standard 135.1-2009


ANSI/ASHRAE Standard 135.1-2011, Method of Test for Conformance to BACnet™

pdf_icon.png Addendum j to Standard 135.1-2011

pdf_icon.png Addendum k to Standard 135.1-2011

pdf_icon.png Addendum l to Standard 135.1-2011

pdf_icon.png Addendum m to Standard 135.1-2011

pdf_icon.png Addendum n to Standard 135.1-2011


ANSI/ASHRAE Standard 135.1-2013, Method of Test for Conformance to BACnet™

pdf_icon.png Addendum o to Standard 135.1-2013

pdf_icon.png Addendum p to Standard 135.1-2013

pdf_icon.png Addendum q to Standard 135.1-2013 (12-04-2018)

pdf_icon.png Addendum r to Standard 135.1-2013


ANSI/ASHRAE Standard 135.1-2019, Method of Test for Conformance to BACnet™

pdf_icon.png Addendum s to Standard 135.1-2019


ANSI/ASHRAE Standard 140-2001, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs

pdf_icon.png Standard 140-2001 Addendum a

icon_ZIP.gif Standard 140-2001, Accompanying Files, Addendum a (zip)


ANSI/ASHRAE Standard 140-2004, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs

icon_ZIP.gif Addendum 140-2004: Addenda a & b (75.5 MB) (zip)


 

ANSI/ASHRAE Standard 140-2007, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs

icon_ZIP.gif Standard 140-2007 Addenda Supplement (Addendum a)

pdf_icon.png Standard 140-2007 Addendum b

pdf_icon.png Standard 140-2007 Addendum c


 

ANSI/ASHRAE Standard 140-2011, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs

pdf_icon.png Standard 140-2011 Addendum a


ANSI/ASHRAE Standard 140-2014, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs

pdf_icon.png Standard 140-2014 Addendum a

icon_ZIP.gif Standard 140-2014 Addendum a Supplemental zip file


ANSI/ASHRAE Standard 140-2017, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs

pdf_icon.png Standard 140-2017 Addendum a (September 2, 2020) 

pdf_icon.png Standard 140-2017 Addendum b (October 30, 2020)

icon_ZIP.gif Standard 140-2017 Addendum a Supplemental zip file


ANSI/ASHRAE Standard 140-2020, Method of Test for Evaluating Building Performance Simulation Software

pdf_icon.png Standard 140-2020 Addendum a (August 31, 2022)

icon_ZIP.gif Standard 140-2020 Addendum a Supplemental zip file

pdf_icon.png Standard 140-2020 Addendum b (January 31, 2023)


ANSI/ASHRAE Standard 145.1-2015, Laboratory Test Method for Assessing the Performance of Gas-Phase Air Cleaning Systems: Loose Granular Media

pdf_icon.png Addendum a to Standard 145.1-2015 (February 2023)


ANSI/ASHRAE Standard 145.2-2011, Laboratory Test Method for Assessing the Performance of Gas-Phase Air-Cleaning Systems: Air-Cleaning Devices

pdf_icon.png Standard 145.2-2011 Addenda a, b, c

pdf_icon.png Standard 145.2-2011 Addenda d


ANSI/ASHRAE Standard 147-2013, Reducing the Release of Halogenated Refrigerants from Refrigerating and Air-Conditioning Equipment and Systems

Addenda to Standard 147-2013


ANSI/ASHRAE Standard 147-2019, Reducing the Release of Halogenated Refrigerants from Refrigerating and Air-Conditioning Equipment and Systems

pdf_icon.png Addendum a to Standard 147-2019

pdf_icon.png Addendum b to Standard 147-2019

pdf_icon.png Addendum c to Standard 147-2019 (September 30, 2022)

pdf_icon.png Addendum d to Standard 147-2019 (September 30, 2022)

pdf_icon.png Addendum e to Standard 147-2019 (March 29, 2024)


ANSI/ASHRAE Standard 154-2016, Ventilation for Commercial Cooking

pdf_icon.png Addendum a for Standard 154-2016

pdf_icon.png Addendum b for Standard 154-2016

pdf_icon.png Addendum c for Standard 154-2016

pdf_icon.png Addendum d for Standard 154-2016

pdf_icon.png Addendum e for Standard 154-2016

pdf_icon.png Addendum f for Standard 154-2016

pdf_icon.png Addendum g for Standard 154-2016

pdf_icon.png Addendum h for Standard 154-2016

pdf_icon.png Addendum i for Standard 154-2016

pdf_icon.png Addendum j for Standard 154-2016

pdf_icon.png Addendum k for Standard 154-2016 (October 29, 2021)

pdf_icon.png Addendum l for Standard 154-2016 (October 29, 2021)

pdf_icon.png Addendum m for Standard 154-2016 (October 29, 2021)

pdf_icon.png Addendum n to Standard 154-2016 (July 5, 2022)

pdf_icon.png Addendum o to Standard 154-2016 (July 5, 2022)

pdf_icon.png Addendum p to Standard 154-2016 (July 5, 2022)

pdf_icon.png Addendum q to Standard 154-2016 (July 5, 2022)

pdf_icon.png Addendum r to Standard 154-2016 (July 5, 2022)


ANSI/ASHRAE Standard 160-2009, Criteria for Moisture-Control Design Analysis in Buildings

pdf_icon.png Addendum a to Standard 160-2009

pdf_icon.png Addendum b to Standard 160-2009

pdf_icon.png Addendum c to Standard 160-2009

pdf_icon.png Addendum d to Standard 160-2009

pdf_icon.png Addendum e to Standard 160-2009


ANSI/ASHRAE Standard 160-2016, Criteria for Moisture-Control Design Analysis in Buildings

pdf_icon.png Addendum a to Standard 160-2016 (June 30, 2021)


ANSI/ASHRAE Standard 160-2021, Criteria for Moisture-Control Design Analysis in Buildings

pdf_icon.png Addendum a to Standard 160-2021 (January 31, 2024)


ANSI/ASHRAE Standard 161-2007, Air Quality within Commercial Aircraft

pdf_icon.png Addenda a and b to Standard 161-2007

pdf_icon.png Addenda c, d, and f to Standard 161-2007

pdf_icon.png Addendum g to Standard 161-2007


ANSI/ASHRAE Standard 161-2013, Air Quality within Commercial Aircraft

pdf_icon.png Standard 161-2013 addendum a

pdf_icon.png Standard 161-2013 addendum b

pdf_icon.png Standard 161-2013 addendum c

pdf_icon.png Standard 161-2013 addendum d


ANSI/ASHRAE Standard 161-2018, Air Quality within Commercial Aircraft

pdf_icon.png Standard 161-2018 addendum a (January 18, 2019)

pdf_icon.png Standard 161-2018 addendum b (January 18, 2019)

pdf_icon.png Standard 161-2018 addendum c (January 18, 2019)

pdf_icon.png Standard 161-2018 addendum d (June 27, 2019)

pdf_icon.png Standard 161-2018 addendum e (June 27, 2019)

pdf_icon.png Standard 161-2018 addendum f (January 31, 2023)

pdf_icon.png Standard 161-2018 addendum g (November 30, 2023)


ANSI/ASHRAE Standard 169-2006, Weather Data for Building Design Standards

pdf_icon.png Addendum to Standard 169-2006


ANSI/ASHRAE Standard 169-2013, Climatic Data for Building Design Standards

pdf_icon.png Addendum a to Standard 169-2013


ANSI/ASHRAE Standard 169-2020 Climatic Data for Building Design Standards

pdf_icon.png Addendum a to Standard 169-2020 (October 29, 2021)


ANSI/ASHRAE/ASHE Standard 170-2008, Ventilation of Health Care Facilities

Addenda to Standard 170-2008


ANSI/ASHRAE/ASHE Standard 170-2013, Ventilation of Health Care Facilities

Addenda to Standard 170-2013


ANSI/ASHRAE/ASHE Standard 170-2017, Ventilation of Health Care Facilities

Addenda to Standard 170-2017


ANSI/ASHRAE/ASHE Standard 170-2021, Ventilation of Health Care Facilities

pdf_icon.png Addenda c to Standard 170-2021 (July 30, 2021)

pdf_icon.png Addendum d to Standard 170-2021 (October 29, 2021)

pdf_icon.png Addendum e to Standard 170-2021 (September 30, 2022)

pdf_icon.png Addendum f to Standard 170-2021 (July 5, 2022)

pdf_icon.png Addendum g to Standard 170-2021 (September 30, 2022) 

pdf_icon.png Addendum h to Standard 170-2021 (September 30, 2022) 

pdf_icon.png Addendum i to Standard 170-2021 (December 29, 2023) 

pdf_icon.png Addendum j to Standard 170-2021 (July 31, 2023) 

pdf_icon.png Addendum l to Standard 170-2021 (December 29, 2023)


ANSI/ASHRAE/ACCA Standard 180, Practice for Inspection and Maintenance of Commercial Building HVAC Systems

pdf_icon.png Addendum a to Std. 180-2008


ANSI/ASHRAE Standard 184-2016, Method of Test for Field Performance of Liquid-Chilling Systems

pdf_icon.png Addendum a to Standard 184-2016 (12-05-2018)


ANSI/ASHRAE Standard 185.1-2015, Method of Testing UV-C Lights for Use in Air-Handling Units or Air Ducts to Inactivate Airborne Microorganisms

pdf_icon.png Addendum a to Standard 185.1-2015

pdf_icon.png Addendum b to Standard 185.1-2015

pdf_icon.png Addendum c to Standard 185.1-2015


ANSI/ASHRAE Standard 185.2-2014, Method of Testing Ultraviolet Lamps for Use in HVAC&R Units or Air Ducts to Inactivate Microorganisms on Irradiated Surfaces

pdf_icon.png Addendum a to Standard 185.2-2014


ANSI/ASHRAE Standard 188-2015, Legionellosis: Risk Management for Building Water Systems

pdf_icon.png Standard 188 addendum a

pdf_icon.png Standard 188 addendum b

pdf_icon.png Standard 188 addendum c

pdf_icon.png Standard 188 addendum d

pdf_icon.png Standard 188 addendum e

pdf_icon.png Standard 188 addendum f

pdf_icon.png Standard 188 addendum g

pdf_icon.png Standard 188 addendum h


ANSI/ASHRAE Standard 188-2018, Legionellosis: Risk Management for Building Water Systems

pdf_icon.png Standard 188 addendum a (January 18, 2019) 

pdf_icon.png Standard 188 addendum b (May 29, 2020)

pdf_icon.png Standard 188 addendum c (April 30, 2021)

pdf_icon.png Standard 188 addendum d (September 30, 2020)

pdf_icon.png Standard 188 addendum f (January 29, 2021)


ANSI/ASHRAE Standard 188-2021, Legionellosis: Risk Management for Building Water Systems

pdf_icon.png Standard 188-2021 addendum e (October 1, 2021)


ANSI/ASHRAE/USGBC/IES Standard 189.1-2009, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

pdf_icon.png Addenda a and b to Standard 189.1

pdf_icon.png Addenda c, d, e, h, j, k, o to Standard 189.1

pdf_icon.png Addenda f, l to Standard 189.1

pdf_icon.png Addenda g, i, m, p, q, r, u, v, w to Standard 189.1


ANSI/ASHRAE/USGBC/IES Standard 189.1-2011, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

pdf_icon.png 2013 Addenda Supplement Package (includes addenda a, c, d, e, f, h, j, k, l, n, q, s, t, x, y, aa, ab, and ac)


ANSI/ASHRAE/USGBC/IES Standard 189.1-2014, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

pdf_icon.png 2017 Addenda Supplement Package (includes a, b, c, d, e, f, g, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, ab, ac, ad, ae, ag, ah, ai, aj, ak, al, am, ap, aq, as, au, av, aw, ax, ay, az, ba, bb, bd, be, bh, bi, bj, bk, bl, bn, bo, bp, bq, br, bs, bt, bu, bv, bw, bx, by, bz, cd, ce, cf, cg, ch, cj, and cl)


ANSI/ASHRAE/USGBC/IES Standard 189.1-2017, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

Addenda to Standard 189.1-2017


ANSI/ASHRAE/USGBC/IES Standard 189.1-2020, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

pdf_icon.png Addendum c for Standard 189.1-2020 (April 30, 2021)

pdf_icon.png Addendum d for Standard 189.1-2020 (June 30, 2021)

pdf_icon.png Addendum e for Standard 189.1-2020 (June 30, 2021)

pdf_icon.png Addendum f for Standard 189.1-2020 (July 29, 2022)

pdf_icon.png Addendum g for Standard 189.1-2020 (June 1, 2022)

pdf_icon.png Addendum h for Standard 189.1-2020 (January 21, 2022)

pdf_icon.png Addendum i for Standard 189.1-2020 (October 31, 2022)

pdf_icon.png Addendum j for Standard 189.1-2020 (June 1, 2022)

pdf_icon.png Addendum k for Standard 189.1-2020 (September 23, 2022)

pdf_icon.png Addendum l for Standard 189.1-2020 (July 29, 2022)

pdf_icon.png Addendum m for Standard 189.1-2020 (September 23, 2022)

pdf_icon.png Addendum n for Standard 189.1-2020 (March 1, 2022)

pdf_icon.png Addendum o for Standard 189.1-2020 (July 29, 2022)

pdf_icon.png Addendum p for Standard 189.1-2020 (July 5, 2022)

pdf_icon.png Addendum q for Standard 189.1-2020 (July 5, 2022)

pdf_icon.png Addendum r for Standard 189.1-2020 (July 5, 2022)

pdf_icon.png Addendum s for Standard 189.1-2020 (October 31, 2022)

pdf_icon.png Addendum t for Standard 189.1-2020 (August 31, 2023)

pdf_icon.png Addendum v for Standard 189.1-2020 (March 8, 2023)

pdf_icon.png Addendum w for Standard 189.1-2020 (March 8, 2023)

pdf_icon.png Addendum x for Standard 189.1-2020 (March 8, 2023)

pdf_icon.png Addendum y for Standard 189.1-2020 (September 23, 2022)

pdf_icon.png Addendum z for Standard 189.1-2020 (October 31, 2023)

pdf_icon.png Addendum aa for Standard 189.1-2020 (October 31, 2022)

pdf_icon.png Addendum ab for Standard 189.1-2020 (July 25, 2023)

pdf_icon.png Addendum ac for Standard 189.1-2020 (July 25, 2023)

pdf_icon.png Addendum af for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum ag for Standard 189.1-2020 (July 25, 2023)

pdf_icon.png Addendum ah for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum ai for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum aj for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum am for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum an for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum ao for Standard 189.1-2020 (August 31, 2023)

pdf_icon.png Addendum ap for Standard 189.1-2020 (June 30, 2023)

pdf_icon.png Addendum aq for Standard 189.1-2020 (July 29, 2022)

pdf_icon.png Addendum ar for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum as for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum at for Standard 189.1-2020 (April 28, 2023)

pdf_icon.png Addendum au for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum av for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum aw for Standard 189.1-2020 (June 30, 2023)

pdf_icon.png Addendum ax for Standard 189.1-2020

pdf_icon.png Addendum ay for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum az for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum ba for Standard 189.1-2020 (August 31, 2023)

pdf_icon.png Addendum bb for Standard 189.1-2020 (May 31, 2023)

pdf_icon.png Addendum bc for Standard 189.1-2020 (June 30, 2023)

pdf_icon.png Addendum bd for Standard 189.1-2020 (June 30, 2023)

pdf_icon.png Addendum be for Standard 189.1-2020 (August 31, 2023)

pdf_icon.png Addendum bf for Standard 189.1-2020 (October 31, 2023)

pdf_icon.png Addendum bh for Standard 189.1-2020 (October 31, 2023)

pdf_icon.png Addendum bj for Standard 189.1-2020 (December 15, 2020)

pdf_icon.png Addendum bo for Standard 189.1-2020 (December 15, 2020)

pdf_icon.png Addendum br for Standard 189.1-2020 (December 15, 2020)


ANSI/ASHRAE/ICC/USGBC/IES Standard 189.1-2023, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

pdf_icon.png Addendum c to Standard 189.1-2023 (March 29, 2024)


ANSI/ASHRAE/USGBC/IES Standard 189.3-2017, Design, Construction, and Operation of Sustainable High-Performance Health Care Facilities

pdf_icon.png Addendum a to Standard 189.3-2017

pdf_icon.png Addendum b to Standard 189.3-2017 (January 4, 2021)

pdf_icon.png Addendum c to Standard 189.3-2017 (January 4, 2021)


ANSI/ASHRAE/USGBC/IES Standard 189.3-2021, Design, Construction, and Operation of Sustainable High-Performance Health Care Facilities

pdf_icon.png Addendum a to Standard 189.3-2021 (January 4, 2024)

pdf_icon.png Addendum b to Standard 189.3-2021 (September 30, 2022)

pdf_icon.png Addendum c to Standard 189.3-2021 (September 30, 2022)

pdf_icon.png Addendum d to Standard 189.3-2021 (September 30, 2022)

pdf_icon.png Addendum e to Standard 189.3-2021 (October 31, 2023)

pdf_icon.png Addendum f to Standard 189.3-2021 (January 4, 2024)


Standard 200-2015, Methods of Testing Chilled Beams

pdf_icon.png Addendum a (July 28, 2015)

pdf_icon.png Addendum b (April 4, 2017)


ANSI/ASHRAE/IES Standard 202-2013, Commissioning Process for Buildings and Systems

pdf_icon.png Standard 202-2013 Addendum a

pdf_icon.png Standard 202-2013 Addendum b


ANSI/ASHRAE/IES Standard 202-2018, Commissioning Process for Buildings and Systems

pdf_icon.png Addendum a to Standard 202-2018

pdf_icon.png Addendum b to Standard 202-2018 (October 31, 2023)

pdf_icon.png Addendum c to Standard 202-2018 (February 2023)

pdf_icon.png Addendum d to Standard 202-2018 (February 2023)

pdf_icon.png Addendum e to Standard 202-2018 (January 4, 2024)


ANSI/ASHRAE Standard 205-2023, Representation of Performance Data for HVAC&R and Other Facility Equipment

pdf_icon.png Addendum a to Standard 205-2023 (March 14, 2024)

pdf_icon.png Addendum b to Standard 205-2023 (March 14, 2024)

pdf_icon.png Addendum c to Standard 205-2023 (March 14, 2024)


Standard 206-2013, Method of Test for Rating of Multi-Purpose Heat Pumps for Residential Space Conditioning and Water Heating

pdf_icon.png Standard 206-2013 addendum a

pdf_icon.png Standard 206-2013 Addenda b, c


Standard 209-2018, Energy Simulation Aided Design for Buildings Except Low-Rise Residential Buildings

pdf_icon.png Addendum a for Standard 209-2018 (January 31, 2023)


Standard 217-2020, Non-Emergency Ventilation in Enclosed Road, Rail, and Mass Transit Facilities

pdf_icon.png Addendum a for Standard 217-2020 (January 21, 2022)


How to Submit a Proposed Change to an ASHRAE Standard or Guideline Under Continuous Maintenance

Go to the ASHRAE Bookstore to Purchase Standards

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