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
Guideline 0: Addenda a, b, c, d
Guideline 0-2019, The Commissioning Process
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:
- Guideline 1 will become Guideline 1.1, The HVAC Commissioning Process
- Guideline 30 will become Guideline 1.2, The Commissioning Process for Existing HVAC&R Systems
- Guideline 31 will become Guideline 1.3, Building Operations and Maintenance Training for HVAC&R Commissioning Process
- Guideline 5 will become Guideline 1.5, Commissioning Smoke Control Systems
Guideline 10-2011, Interactions Affecting the Achievement of Acceptable Indoor Environments
Guideline 10-2011 Addenda a, b, c, d
Guideline 10-2011 Addendum e
Guideline 10-2011 Addendum f
Guideline 10-2011 Addendum g (June 2016)
Guideline 12-2020, Managing the Risk of Legionellosis Associated with Building Water Systems
Addendum a to Guideline 12-2020
Addendum b to Guideline 12-2020
Addendum c to Guideline 12-2020
Guideline 13-2007, Specifying Direct Digital Control Systems
Addenda a to Guideline 13-2007
Addenda b, c, d to Guideline 13-2007
Addendum e to Guideline 13-2007
Addenda f to Guideline 13-2007
Addenda g, h, and i to Guideline 13-2007
Guideline 13-2000, Specifying Direct Digital Control Systems
Guideline 13-2000: Addenda b, d, l, m, n, p, q
Addenda to Guideline 13-2000
Guideline 28-2012, Air Quality within Commercial Aircraft
Addendum a to Guideline 28-2012
Guideline 28-2016, Air Quality within Commercial Aircraft
Addendum a to Guideline 28-2016 (January 22, 2019)
Addendum b to Guideline 28-2016 (October 10, 2018)
Addendum c to Guideline 28-2016 (October 10, 2018)
Addendum e to ASHRAE Guideline 28-2016 (December 3, 2019)
Addendum d to ASHRAE Guideline 28-2016 (May 25, 2021)
Guideline 29-2009, Guideline for Risk Management of Public Health and Safety in Buildings
Addendum a to Guideline 29-2009
Guideline 36-2018, High-Performance Sequences of Operation for HVAC Systems
Addenda to Guideline 36-2018
Guideline 41-2020, Design, Installation and Commissioning of Variable Refrigerant Flow (VRF) Systems
Addendum a to Guideline 41-2020
Addendum b to Guideline 41-2020
Addendum c to Guideline 41-2020
Addendum d to Guideline 41-2020
Standard 15-1994, Safety Code for Mechanical Refrigeration
Addendum a to Standard 15-1994
Addendum b to Standard 15-1994
Addenda c and d to Standard 15-1994
Standard 15-2001, Safety Standard for Refrigeration Systems
Addendum a to Standard 15-2001
Standard 15-2004, Safety Standard for Refrigeration Systems
Addendum b for Standard 15-2004: Addenda Supplement Package
Addendum c for Standard 15-2004
Standard 15-2007, Safety Standard for Refrigeration Systems
Standard 15-2007 Addenda Supplement Package (Contains Addenda a, b, c, d, and e)
Addenda f and h for Standard 15-2007
Addendum g for Standard 15-2007
Addendum i for Standard 15-2007
ANSI/ASHRAE Standard 15-2010, Safety Standard for Refrigeration Systems
Standard 15-2010 2012 Addenda Supplement (Contains Addenda b, c, d, e, and f)
ANSI/ASHRAE Standard 15-2013, Safety Standard for Refrigeration Systems
Standard 15-2013 Addendum a
Standard 15-2013 Addendum b
Standard 15-2013 Addendum c
Standard 15-2013 Addendum e
Standard 15-2013 Addendum g
ANSI/ASHRAE Standard 15-2016, Safety Standard for Refrigeration Systems
Standard 15-2016 Addendum a
Standard 15-2016 Addendum b
Standard 15-2016 Addendum c
Standard 15-2016 Addendum d (October 23, 2018)
Standard 15-2016 Addendum e
Standard 15-2016 Addendum f
Standard 15-2016 Addendum h (June 12, 2019)
ANSI/ASHRAE Standard 15-2019, Safety Standard for Refrigeration Systems
Standard 15-2019 Addendum a
Standard 15-2019 Addendum b
Standard 15-2019 Addendum c (September 2, 2020)
Standard 15-2019 Addendum d (May 6, 2022)
Standard 15-2019 Addendum e (January 27, 2022)
Standard 15-2019 Addendum f
Standard 15-2019 Addendum g (August 31, 2022)
Standard 15-2019 Addendum i
Standard 15-2019 Addendum j (October 30, 2020)
Standard 15-2019 Addendum k (October 30, 2020)
Standard 15-2019 Addendum l (August 31, 2022)
Standard 15-2019 Addendum m (July 5, 2022)
Standard 15-2019 Addendum n (June 1, 2022)
Standard 15-2019 Addendum o (April 29, 2022)
Standard 15-2019 Addendum p (August 31, 2022)
Standard 15-2019 Addendum q (June 1, 2022)
Standard 15-2019 Addendum r (June 1, 2022)
Standard 15-2019 Addendum s (August 31, 2022)
Standard 15-2019 Addendum u (August 31, 2022)
Standard 15-2019 Addendum v (August 31, 2022)
Standard 15-2019 Addendum w (August 31, 2022)
ANSI/ASHRAE Standard 15.2-2022, Safety Standard for Refrigeration Systems in Residential Applications
Addendum a to Standard 15.2-2022 (October 31, 2022)
Addendum b to Standard 15.2-2022 (October 31, 2022)
ANSI/ASHRAE Standard 30-2019, Method of Testing Liquid Chillers
Standard 30-2019 Addendum a (May 29, 2020)
Standard 30-2019 Addendum b (April 30, 2021)
Standard 30-2019 Addendum f (January 31, 2023)
ANSI/ASHRAE Standard 34-1997, Number Designation and Safety Classification of Refrigerants
Standard 34-1997 Addenda a, b, c, d, e, f, j, k, l, o, p
Standard 34-1997 Addendum m
Standard 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
Standard 34-2004: Addenda Supplement Package (Contains Addenda a, b, c, e, f, k, n, o, p, q, r, s, and u) (PDF)
Standard 34-2004: Addenda d, j, l, m, t (PDF)
Standard 34-2004: Addendum g (PDF)
Standard 34-2004: Addendum h (PDF)
Standard 34-2004: Addendum i (PDF)
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
Addendum a to Standard 34-2022 (December 30, 2022)
Addendum b to Standard 34-2022 (November 30, 2022)
Addendum c to Standard 34-2022 (November 30, 2022)
Addendum d to Standard 34-2022 (January 31, 2023)
Addendum e to Standard 34-2022 (January 31, 2023)
Addendum f to Standard 34-2022 (January 31, 2023)
Addendum g to Standard 34-2022 (April 28, 2023)
Addendum h to Standard 34-2022 (April 28, 2023)
Addendum j to Standard 34-2022 (April 28, 2023)
Addendum k to Standard 34-2022 (April 28, 2023)
Addendum m to Standard 34-2022 (April 28, 2023)
Addendum ac to Standard 34-2022 (October 31, 2022)
Addendum ah to Standard 34-2022 (October 31, 2022)
ANSI/ASHRAE Standard 41.1-2020 Standard Methods for Temperature Measurements
Addendum a to Standard 41.1-2020 (June 1, 2022)
ANSI/ASHRAE Standard 41.3-2022 Standard Methods for Pressure Measurement
Addendum a to Standard 41.3-2022 (January 31, 2023)
ANSI/ASHRAE Standard 41.6-2021 Standard Methods for Humidity Measurement
Addendum a to Standard 41.6-2021 (November 30, 2022)
ANSI/ASHRAE Standard 41.7-2021 Standard Methods for Gas Flow Measurement
Addendum a to Standard 41.7-2021 (January 31, 2023)
ANSI/ASHRAE Standard 41.10-2020 Standard Methods for Refrigerant Mass Flow Rate Measurements Using Flowmeters
Addendum a to Standard 41.10-2020 (October 29, 2021)
Addendum b to Standard 41.10-2020 (June 1, 2022)
ANSI/ASHRAE Standard 41.11-2020 Standard Methods for Power Measurement
Standard 41.11-2020 Addendum a (October 29, 2021)
ANSI/ASHRAE/AMCA 51-1999, Laboratory Methods of Testing Fans for Aerodynamic Performance Rating
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
Standard 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
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
Standard 52.2-2012 2015 Addenda Supplement Package (Contains Addenda a, b, and d) (February 26, 2015)
Standard 52.2-2012 Addendum c (August 4, 2015)
Standard 52.2-2012 Addendum e (March 2, 2016)
Standard 52.2-2012 Addendum f (March 2, 2016)
Standard 52.2-2012 Addendum g (January 23, 2017)
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
Addendum a to Standard 52.2-2017
Addendum b to Standard 52.2-2017
Addendum c to Standard 52.2-2017 (January 21, 2022)
Standard 55-1992, Thermal Environmental Conditions for Human Occupancy
Addendum a to Standard 55-1992
Standard 55-2004, Thermal Environmental Conditions for Human Occupancy
Addenda a and b to Standard 55-2004
Addenda d, e, f, and g to ANSI/ASHRAE Standard 55-2004
Addendum h to ANSI/ASHRAE Standard 55-2004
Addenda i and k to ANSI/ASHRAE Standard 55-2004
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
Addendum a to Standard 55-2013
Addendum b to Standard 55-2013
Addendum c to Standard 55-2013
Addendum d to Standard 55-2013
Addendum e to Standard 55-2013
Addendum f to Standard 55-2013
Addendum g to Standard 55-2013
ANSI/ASHRAE 55-2017, Thermal Environmental Conditions for Human Occupancy
Addendum a to Standard 55-2017 (October 2, 2018)
Addendum b to Standard 55-2017 (May 31, 2019)
Addendum c to Standard 55-2017 (August 3, 2020)
Addendum d to Standard 55-2017 (August 3, 2020)
Addendum e to Standard 55-2017 (September 30, 2020)
Addendum f to Standard 55-2017 (September 2, 2020)
Addendum g to Standard 55-2017 (January 29, 2021)
Addendum h to Standard 55-2017 (January 29, 2021)
ANSI/ASHRAE 55-2020, Thermal Environmental Conditions for Human Occupancy
Addendum a to Standard 55-2020 (April 30, 2021)
Addendum b to Standard 55-2020 (April 30, 2021)
Addendum c to Standard 55-2020 (April 30, 2021)
Addendum d to Standard 55-2020 (October 29, 2021)
Addendum e to Standard 55-2020 (June 30, 2021)
Addendum f to Standard 55-2020 (June 30, 2021)
Addendum g to Standard 55-2020 (April 29, 2022)
Addendum h to Standard 55-2020 (December 30, 2022)
Addendum i to Standard 55-2020 (April 28, 2023)
ANSI/ASHRAE 62-1999, Ventilation for Acceptable Indoor Air Quality
Addendum j to Standard 62-1999
Addendum l to Standard 62-1999
Addendum m to Standard 62-1999
Addendum p to Standard 62-1999
Addendum q to Standard 62-1999
Addendum s to Standard 62-1999
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
Standard 62.1-2004: Addenda Supplement Package (This Addenda Package contains Addenda a, b, c, d, and g.)
Standard 62.1-2004: Addendum e and f (Contains Addenda e and f)
Standard 62.1-2004 Addendum h
ANSI/ASHRAE Standard 62.1-2007, Ventilation for Acceptable Indoor Air Quality
Standard 62.1-2007 Addenda Supplement Package (Contains Addenda a, b, e, f, and h)
Standard 62.1-2007 Addenda c, d, i, and p
Standard 62.1-2007 Addendum j
Standard 62.1-2007 Addendum k
Standard 62.1-2007 Addenda l, m, n, o, and s
Standard 62.1-2007 Addendum q
Standard 62.1-2007 Addenda g, r, and t
ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality
Standard 62.1-2010 Addenda Supplement Package (Contains Addenda a, c, d, and e)
Standard 62.1-2010 Addenda b and m
Standard 62.1-2010 Addenda h and l
Standard 62.1-2010 Addendum n
Standard 62.1-2010 Addendum o
ANSI/ASHRAE Standard 62.1-2013, Ventilation for Acceptable Indoor Air Quality
Standard 62.1-2013 Addenda Supplement Package for 2015 (Contains Addenda a, c, j, k, q, r, and s)
Addendum d to Standard 62.1-2013
Addendum e to Standard 62.1-2013
Addendum f to Standard 62.1-2013
Addendum g to Standard 62.1-2013
Addendum h to Standard 62.1-2013
Addendum i to Standard 62.1-2013
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
Addendum a to Standard 62.1-2019 (February 26, 2021)
Addendum b to Standard 62.1-2019 (June 30, 2020)
Addendum c to Standard 62.1-2019 (October 30, 2020)
Addendum d to Standard 62.1-2019 (October 30, 2020)
Addendum f to Standard 62.1-2019 (June 30, 2021)
Addendum g to Standard 62.1-2019 (October 1, 2021)
Addendum i to Standard 62.1-2019 (April 29, 2022)
Addendum p to Standard 62.1-2019 (February 11, 2020)
Addendum y to Standard 62.1-2019 (November 19, 2019)
Addendum aa to Standard 62.1-2019 (February 14, 2022)
Addendum ao to Standard 62.1-2019 (December 13, 2019)
ANSI/ASHRAE Standard 62.1-2022, Ventilation and Acceptable Indoor Air Quality
Addendum e to Standard 62.1-2022 (September 30, 2022)
Addendum m to Standard 62.1-2022 (September 30, 2022)
Addendum n to Standard 62.1-2022 (September 30, 2022)
Addendum x to Standard 62.1-2022 (September 23, 2022)
ANSI/ASHRAE Standard 62.2-2003, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings
Addendum a to Standard 62.2-2003
Addendum a to Standard 62.2-2003
ANSI/ASHRAE Standard 62.2-2004, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings
Standard 62.2-2004: Addenda Supplement Package (Contains Addendum g) (PDF)
Addendum e to Standard 62.2-2004
Addendum h to Standard 62.2-2004
Addendum i to Standard 62.2-2004
ANSI/ASHRAE Standard 62.2-2007, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings
Standard 62.2-2007 Addenda Supplement Package (Contains Addenda a, b, c, and k)
Standard 62.2-2007 Addendum d
Standard 62.2-2007 Addendum e
Standard 62.2-2007 Addenda f, g, h, and i
Standard 62.2-2007 Addendum j
Standard 62.2-2007 Addenda m, n, o, p, and t
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
Addendum b to Standard 62.2-2019 (April 30, 2021)
Addendum d to Standard 62.2-2019 (September 30, 2020)
Addendum e to Standard 62.2-2019 (April 30, 2021)
Addendum f to Standard 62.2-2019 (July 30, 2021)
Addendum g to Standard 62.2-2019 (July 30, 2021)
Addendum h to Standard 62.2-2019 (April 29, 2022)
Addendum l to Standard 62.2-2019 (April 29, 2022)
Addendum v to Standard 62.2-2019 (September 2, 2020)
Addendum x to Standard 62.2-2019 (March 2, 2020)
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
Addendum e to Standard 62.2-2022 (April 28, 2023)
Addendum i to Standard 62.2-2022 (September 23, 2022)
Addendum j to Standard 62.2-2022 (February 28, 2023)
Addendum m to Standard 62.2-2022 (September 23, 2022)
Standard 84-2013, Method of Testing Air-to-Air Heat/Energy Exchangers
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)
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)
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)
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)
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)
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
Standard 90.1-2016: Addenda a, g, h, l, n, p, r
Standard 90.1-2016: Addenda b, c, d, e, f, j
Standard 90.1-2016: Addenda be, bm, bn, bo, bp, br, bs, bu, bv, cf, cl, cm, cq, ct, cu, cv, cw, cy
Standard 90.1-2016: Addenda k, o, x, ab, ac, ad, ae, ag, ah, ak, am
Standard 90.1-2016: Addenda m, ai, aj, au, az, bg, dn
Standard 90.1-2016: Addenda q, s, z, ap, aq, ar
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
Addendum a to Standard 90.1-2022 (May 16, 2023)
Addendum bo to Standard 90.1-2022 (May 16, 2023)
Addendum cv to Standard 90.1-2022 (February 28, 2023)
Standard 90.2-1993, Energy Efficient Design of New Low-Rise Residential Buildings
Addendum a, b, and c to Standard 90.2-1993
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
Standard 90.2-2004: Addenda Supplement Package (Contains addenda a, b, f, g, h, and i)
Standard 90.2-2004: Addenda c, d, e, k
Standard 90.2-2007, Energy-Efficient Design of Low-Rise Residential Buildings
Standard 90.2-2007: Addendum b
Standard 90.2-2018, Energy-Efficient Design of Low-Rise Residential Buildings
Standard 90.2-2018: Addendum a (January 29, 2021)
Standard 90.2-2018: Addendum b (June 30, 2021)
Standard 90.2-2018: Addendum c (March 8, 2023)
Standard 90.2-2018: Addendum d (March 1, 2022)
Standard 90.4-2016, Energy Standard for Data Centers
Standard 90.4-2016: Addendum a
Standard 90.4-2016: Addendum b
Standard 90.4-2016: Addendum d
Standard 90.4-2016: Addendum f
Standard 90.4-2016: Addendum g
Standard 90.4-2016: Addendum i
Standard 90.4-2019, Energy Standard for Data Centers
Addendum a to Standard 90.4-2019 (October 30, 2020)
Addendum b to Standard 90.4-2019 (October 30, 2020)
Addendum d to Standard 90.4-2019 (October 30, 2020)
Addendum e to Standard 90.4-2019 (October 30, 2020)
Addendum f to Standard 90.4-2019 (August 31, 2021)
Addendum h to Standard 90.4-2019 (September 23, 2022)
Addendum i to Standard 90.4-2019 (January 31, 2023)
Standard 100-1995, Energy Conservation in Existing Buildings
Addendum b to Standard 100
Standard 100-2015, Energy Efficiency in Existing Buildings
Addendum a to Standard 100
Addendum b to Standard 100
Addendum c to Standard 100
Addendum d to Standard 100
Standard 100-2018, Energy Efficiency in Existing Buildings
Addendum a to Standard 100-2018 (February 26, 2021)
Addendum b to Standard 100-2018 (October 1, 2021)
Addendum c to Standard 100-2018 (December 30, 2022)
Addendum f to Standard 100-2018 (January 31, 2023)
Addendum g to Standard 100-2018 (February 28, 2023)
Addendum h to Standard 100-2018 (October 31, 2022)
Standard 105, Standard Methods of Measuring, Expressing and Comparing Building Energy Performance
Addenda a and b to 105-2007
Standard 135-1995, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks
Addendum a to Standard 135-1995
Addendum b to Standard 135-1995
Addendum c to Standard 135-1995
Addendum d to Standard 135-1995
Addendum e to Standard 135-1995
Standard 135-2001, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks
Addendum a to Standard 135-2001
Addendum a to Standard 135-2001
Addendum a to Standard 135-2001
Addendum a to Standard 135-2001
Standard 135-2004, BACnet™ -- A Data Communication Protocol for Building Automation and Control Networks
Addendum a to Standard 135-2004
Addendum b to Standard 135-2004
Addendum c to Standard 135-2004
Addendum d to Standard 135-2004
Addendum e to Standard 135-2004
Addendum f to Standard 135-2004
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
Addendum i to Standard 135-2010
Addendum aa to Standard 135-2010
Addendum ad to Standard 135-2010
Addendum ae to Standard 135-2010
Addendum af to Standard 135-2010 (175 MB)
Addendum ak to Standard 135-2010
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
Addendum bv to Standard 135-2020 (January 21, 2022)
Addendum ca to Standard 135-2020 (January 21, 2022)
Addendum cc to Standard 135-2020 (January 21, 2022)
Addendum cd to Standard 135-2020 (August 31, 2021)
Addendum ce to Standard 135-2020 (January 21, 2022)
Addendum cf to Standard 135-2020 (November 30, 2022)
Standard 135.1-2003, Method of Test for Conformance to BACnet
Addendum a to Standard 135.1-2003
Addendum c to Standard 135.1-2003
ANSI/ASHRAE Standard 135.1-2007, Method of Test for Conformance to BACnet™
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™
Addendum j to Standard 135.1-2011
Addendum k to Standard 135.1-2011
Addendum l to Standard 135.1-2011
Addendum m to Standard 135.1-2011
Addendum n to Standard 135.1-2011
ANSI/ASHRAE Standard 135.1-2013, Method of Test for Conformance to BACnet™
Addendum o to Standard 135.1-2013
Addendum p to Standard 135.1-2013
Addendum q to Standard 135.1-2013 (12-04-2018)
Addendum r to Standard 135.1-2013
ANSI/ASHRAE Standard 135.1-2019, Method of Test for Conformance to BACnet™
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
Standard 140-2001 Addendum a
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
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
Standard 140-2007 Addenda Supplement (Addendum a)
Standard 140-2007 Addendum b
Standard 140-2007 Addendum c
ANSI/ASHRAE Standard 140-2011, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs
Standard 140-2011 Addendum a
ANSI/ASHRAE Standard 140-2014, Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs
Standard 140-2014 Addendum a
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
Standard 140-2017 Addendum a (September 2, 2020)
Standard 140-2017 Addendum b (October 30, 2020)
Standard 140-2017 Addendum a Supplemental zip file
ANSI/ASHRAE Standard 145.1-2015, Laboratory Test Method for Assessing the Performance of Gas-Phase Air Cleaning Systems: Loose Granular Media
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
Standard 145.2-2011 Addenda a, b, c
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
Addendum a to Standard 147-2019
Addendum b to Standard 147-2019
Addendum c to Standard 147-2019 (September 30, 2022)
Addendum d to Standard 147-2019 (September 30, 2022)
ANSI/ASHRAE Standard 154-2016, Ventilation for Commercial Cooking
Addendum a for Standard 154-2016
Addendum b for Standard 154-2016
Addendum c for Standard 154-2016
Addendum d for Standard 154-2016
Addendum e for Standard 154-2016
Addendum f for Standard 154-2016
Addendum g for Standard 154-2016
Addendum h for Standard 154-2016
Addendum i for Standard 154-2016
Addendum j for Standard 154-2016
Addendum k for Standard 154-2016 (October 29, 2021)
Addendum l for Standard 154-2016 (October 29, 2021)
Addendum m for Standard 154-2016 (October 29, 2021)
Addendum n to Standard 154-2016 (July 5, 2022)
Addendum o to Standard 154-2016 (July 5, 2022)
Addendum p to Standard 154-2016 (July 5, 2022)
Addendum q to Standard 154-2016 (July 5, 2022)
Addendum r to Standard 154-2016 (July 5, 2022)
ANSI/ASHRAE Standard 160-2009, Criteria for Moisture-Control Design Analysis in Buildings
Addendum a to Standard 160-2009
Addendum b to Standard 160-2009
Addendum c to Standard 160-2009
Addendum d to Standard 160-2009
Addendum e to Standard 160-2009
ANSI/ASHRAE Standard 160-2016, Criteria for Moisture-Control Design Analysis in Buildings
Addendum a to Standard 160-2016 (June 30, 2021)
ANSI/ASHRAE Standard 161-2007, Air Quality within Commercial Aircraft
Addenda a and b to Standard 161-2007
Addenda c, d, and f to Standard 161-2007
Addendum g to Standard 161-2007
ANSI/ASHRAE Standard 161-2013, Air Quality within Commercial Aircraft
Standard 161-2013 addendum a
Standard 161-2013 addendum b
Standard 161-2013 addendum c
Standard 161-2013 addendum d
ANSI/ASHRAE Standard 161-2018, Air Quality within Commercial Aircraft
Standard 161-2018 addendum a (January 18, 2019)
Standard 161-2018 addendum b (January 18, 2019)
Standard 161-2018 addendum c (January 18, 2019)
Standard 161-2018 addendum d (June 27, 2019)
Standard 161-2018 addendum e (June 27, 2019)
Standard 161-2018 addendum f (January 31, 2023)
ANSI/ASHRAE Standard 169-2006, Weather Data for Building Design Standards
Addendum to Standard 169-2006
ANSI/ASHRAE Standard 169-2013, Climatic Data for Building Design Standards
Addendum a to Standard 169-2013
ANSI/ASHRAE Standard 169-2020 Climatic Data for Building Design Standards
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
Addenda c to Standard 170-2021 (July 30, 2021)
Addendum d to Standard 170-2021 (October 29, 2021)
Addendum e to Standard 170-2021 (September 30, 2022)
Addendum f to Standard 170-2021 (July 5, 2022)
Addendum g to Standard 170-2021 (September 30, 2022)
Addendum h to Standard 170-2021 (September 30, 2022)
ANSI/ASHRAE/ACCA Standard 180, Practice for Inspection and Maintenance of Commercial Building HVAC Systems
Addendum a to Std. 180-2008
ANSI/ASHRAE Standard 184-2016, Method of Test for Field Performance of Liquid-Chilling Systems
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
Addendum a to Standard 185.1-2015
Addendum b to Standard 185.1-2015
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
Addendum a to Standard 185.2-2014
ANSI/ASHRAE Standard 188-2015, Legionellosis: Risk Management for Building Water Systems
Standard 188 addendum a
Standard 188 addendum b
Standard 188 addendum c
Standard 188 addendum d
Standard 188 addendum e
Standard 188 addendum f
Standard 188 addendum g
Standard 188 addendum h
ANSI/ASHRAE Standard 188-2018, Legionellosis: Risk Management for Building Water Systems
Standard 188 addendum a (January 18, 2019)
Standard 188 addendum b (May 29, 2020)
Standard 188 addendum c (April 30, 2021)
Standard 188 addendum d (September 30, 2020)
Standard 188 addendum f (January 29, 2021)
ANSI/ASHRAE Standard 188-2021, Legionellosis: Risk Management for Building Water Systems
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
Addenda a and b to Standard 189.1
Addenda c, d, e, h, j, k, o to Standard 189.1
Addenda f, l to Standard 189.1
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
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
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
Addendum c for Standard 189.1-2020 (April 30, 2021)
Addendum d for Standard 189.1-2020 (June 30, 2021)
Addendum e for Standard 189.1-2020 (June 30, 2021)
Addendum f for Standard 189.1-2020 (July 29, 2022)
Addendum g for Standard 189.1-2020 (June 1, 2022)
Addendum h for Standard 189.1-2020 (January 21, 2022)
Addendum i for Standard 189.1-2020 (October 31, 2022)
Addendum j for Standard 189.1-2020 (June 1, 2022)
Addendum k for Standard 189.1-2020 (September 23, 2022)
Addendum l for Standard 189.1-2020 (July 29, 2022)
Addendum m for Standard 189.1-2020 (September 23, 2022)
Addendum n for Standard 189.1-2020 (March 1, 2022)
Addendum o for Standard 189.1-2020 (July 29, 2022)
Addendum p for Standard 189.1-2020 (July 5, 2022)
Addendum q for Standard 189.1-2020 (July 5, 2022)
Addendum r for Standard 189.1-2020 (July 5, 2022)
Addendum s for Standard 189.1-2020 (October 31, 2022)
Addendum v for Standard 189.1-2020 (March 8, 2023)
Addendum w for Standard 189.1-2020 (March 8, 2023)
Addendum x for Standard 189.1-2020 (March 8, 2023)
Addendum y for Standard 189.1-2020 (September 23, 2022)
Addendum aa for Standard 189.1-2020 (October 31, 2022)
Addendum ah for Standard 189.1-2020 (April 28, 2023)
Addendum ai for Standard 189.1-2020 (April 28, 2023)
Addendum am for Standard 189.1-2020 (April 28, 2023)
Addendum an for Standard 189.1-2020 (April 28, 2023)
Addendum aq for Standard 189.1-2020 (July 29, 2022)
Addendum ar for Standard 189.1-2020 (April 28, 2023)
Addendum as for Standard 189.1-2020 (April 28, 2023)
Addendum at for Standard 189.1-2020 (April 28, 2023)
Addendum ax for Standard 189.1-2020
Addendum bj for Standard 189.1-2020 (December 15, 2020)
Addendum bo for Standard 189.1-2020 (December 15, 2020)
Addendum br for Standard 189.1-2020 (December 15, 2020)
ANSI/ASHRAE/USGBC/IES Standard 189.3-2017, Design, Construction, and Operation of Sustainable High-Performance Health Care Facilities
Addendum a to Standard 189.3-2017
Addendum b to Standard 189.3-2017 (January 4, 2021)
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
Addendum b to Standard 189.3-2021 (September 30, 2022)
Addendum c to Standard 189.3-2021 (September 30, 2022)
Addendum d to Standard 189.3-2021 (September 30, 2022)
Standard 200-2015, Methods of Testing Chilled Beams
Addendum a (July 28, 2015)
Addendum b (April 4, 2017)
ANSI/ASHRAE/IES Standard 202-2013, Commissioning Process for Buildings and Systems
Standard 202-2013 Addendum a
Standard 202-2013 Addendum b
ANSI/ASHRAE/IES Standard 202-2018, Commissioning Process for Buildings and Systems
Addendum a to Standard 202-2018
Addendum c to Standard 202-2018 (February 2023)
Addendum d to Standard 202-2018 (February 2023)
Standard 206-2013, Method of Test for Rating of Multi-Purpose Heat Pumps for Residential Space Conditioning and Water Heating
Standard 206-2013 addendum a
Standard 206-2013 Addenda b, c
Standard 209-2018, Energy Simulation Aided Design for Buildings Except Low-Rise Residential Buildings
Addendum a for Standard 209-2018 (January 31, 2023)
Standard 217-2020, Non-Emergency Ventilation in Enclosed Road, Rail, and Mass Transit Facilities
Addendum a for Standard 217-2020 (January 21, 2022)
How to Submit a Proposed Change to an ASHRAE Standard or Guideline Under Continuous Maintenance
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