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Standards and Guidelines

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General Information and Introduction to Standards

pdf_icon.png  ASHRAE Standards Strategic Plan

ASHRAE Standards and Guidelines Activities / ASHRAE International Standards Activities >>

Standards Committee

General Information and Meeting Minutes >>

Committee Activities

Options to Stay Current With Standards Activities >>

How to Join Project Committees >>

Project Committee Interim Meetings >>

pdf_icon.png 2017-2018 Position E-mail Alias List (updated July 2017)

International Secretariats and U.S. TAGs (Technical Activities Groups) Administered by ASHRAE >>

Preview ASHRAE Standards

You may preview the following Standards by clicking the links below.

Standard 62.1-2016

Standard 62.2-2016

Standard 90.1-2016 (I-P)

Standard 90.1-2013 (I-P)

Standard 90.2-2007

Standard 100-2015

Standard 188-2015

Standard 189.1-2014

Preview other ASHRAE Standards referenced in codes >>

Standards Training

This site provides recommended training for participants in the standards development process. This training is being made available here for individual self training purposes. Select the link below for additional information and training presentations.

Standards Training >>

Standard Project Committees and Guideline Project Committees

Complete information about Project Committees, including PC Chairs Training, instructions for using the Commenters Database, and PC websites.


Indexes of Current & Withdrawn Standards and Discontinued Projects

Code Interaction

The duties of the Code Interaction Subcommittee (CIS) of Standards shall be to advise the Standards Committee on ASHRAE’s relationships with building code-writing bodies.

Procedures governing the CIS Subcommittee of Standards Committee can be found in the Standards Committee Reference Manual – Section 16. The CIS meets at the Winter and Annual ASHRAE Meetings on Sunday from 7-10 p.m. There are interim conference calls as needed. All meetings are announced over the codes listserver.

pdf_icon.png  Code Interaction Subcommittee Membership Roster - 2014-2015 (PDF)

pdf_icon.png  Code Interaction Subcommittee (CIS) – Section 16 of the Standards Committee Reference Manual (PDF)

ICC Code Change Cycle

IAPMO Code Change Cycle

NFPA Codes & Standards

Please contact Connor Barbaree ( with any additional questions.

List Servers

Project Committee List Servers for Standards


ASHRAE Standard 34-2013 establishes a simple means of referring to common refrigerants instead of using the chemical name, formula or trade name.  It also established a uniform system for assigning reference numbers and safety classifications to refrigerants.

ASHRAE refrigerant designations (current as of June 2016)

Section 9 of ANSI/ASHRAE Standard 34-2013, Application Instructions, identifies the requirements to apply for designations and safety classifications for refrigerants. 

page-excel-icon.gif Applications Submitted to SSPC 34 (June 2016) (PDF)

BACnet Vendor ID Numbers

BACnet-300x56.jpgSelect the link below for additional information on ANSI/ASHRAE Standard 135 and the procedures for requesting a BACnet Vendor ID Number or a BACnet MS/TP Frame Type Number.

pdf_icon.png  Procedures for Requesting BACnet Vendor IDs (PDF)

pdf_icon.png  Procedures for Requesting BACnet MS/TP Frame Types (PDF)

SSPC 135 Website