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ASHRAE Membership

ASHRAE membership is open to any person associated with heating, ventilation, air conditioning or refrigeration. ASHRAE is unique because its membership is drawn from a wide range of disciplines relating to the HVAC&R field. Over 55,000 individuals from more than 100 nations belong to the Society.

Discounts on Publications

ASHRAE members earn 15% off publications. Hundreds of titles are available including the complete collection of ASHRAE Standards including 90.1, 62.1 and 189.1.
Click here for information on joining or to join ASHRAE

Develop Leadership Skills

When you join ASHRAE, you are making an investment in yourself. When you become active in the Society by giving your time and sharing your knowledge, you get even more out of that investment.

Network with Industry Professionals

Each month, all over the world, ASHRAE chapters convene for an informational program featuring a speaker or topic that is key to professionals in the industry. Meet with your peers and share ideas.
Need technical info? Search ASHRAE's Bookstore >
Standards, Research & Technology

Standards Activities

General Information and Introduction to Standards


Standards Committee


Committee Activities


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.


Standard Project Committees and Guideline Project Committees

General Project Committee Information

Project Committee Chairs Training

You can right-click and choose to save the .wmv files to your computer, due to their size, prior to opening them.

Instructions for using the Online Comment Database

Project Committee Home Pages


Indexes of Current & Withdrawn Standards and Discontinued Projects


Code Interaction

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.

Please contact Steve Ferguson (sferguson@ashrae.org) with any additional questions.


List Servers



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.

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


BACnet Vendor ID Numbers

Select 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.



C3: The Comprehensive Consensus Code Set from NFPA

Featuring ASHRAE Energy Standards 90.1 and 90.2

C3 Consensus Code Set