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Putting the "R" in ASHRAE

ASHRAE was formed as the American Society of Heating, Refrigerating and Air-Conditioning Engineers by the 1959 merger of American Society of Heating and Air-Conditioning Engineers (ASHAE) founded in 1894 and the American Society of Refrigerating Engineers (ASRE) founded in 1904. With refrigeration literally in its name, ASHRAE offers a wide selection of information and publications concerning refrigeration and refrigerants - from standards and design guides to ASHRAE courses to a monthly column in the ASHRAE Journal, and more. This page is a repository where you can find all refrigeration-related information from ASHRAE.


Refrigeration Committee encourages the advancement of refrigeration technology and its application. This committee reports to Technology Council. Through its use in refrigeration and air conditioning systems, the refrigeration process is critical to health, comfort, and welfare of humanity. The Refrigeration Committee of ASHRAE encourages the advancement of refrigeration technology and its application.

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Available Refrigeration Resources

Choose any of the links below for more information – purchase is easy using the button associated with each item.

Standards 15 and 34 and other refrigeration materials

ASHRAE Handbook - Refrigeration

ASHRAE Handbook - Fundamentals, Chapter 2

ASHRAE Handbook - Fundamentals, Chapter 29

ASHRAE Handbook - Fundamentals, Chapter 30

ASHRAE Handbook - Fundamentals, Chapter 31


ASHRAE Technical Committee, 3.1, Refrigerants and Secondary Coolants

TC 3.1 WEBSITE

TC 3.1 FAQ 24, Where can I find more design information on a new refrigerant?

TC 3.1 FAQ 46, What research is ASHRAE conducting regarding new refrigerants?

TC 3.1 FAQ 84, Where can I find information on new refrigerants?


Available Courses in the Field of Refrigeration

Instructor-Led: New ASHRAE-Classified Refrigerants to Meet Society's Changing Needs

Instructor-Led: Variable Refrigerant Flow System Design & Application

eLearning: eLearning Courses on Refrigerants

Self-Directed Course: Fundamentals of Refrigeration (I-P)


ASHRAE Endorsed Conferences Covering Refrigeration and Refrigerants

World Refrigeration Day

June 26, 2019 - The Coolest Day of the Year

The 1st annual World Refrigeration Day will take place June 26, 2019.
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ICR 2019

August 24-30, 2019 - Refrigeration for Human Health and Future Prosperity

The 25th IIR International Congress of Refrigeration will take place in Montreal August 24-30, 2019.
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Refrigerant Designations

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Ammonia industrial refrigeration system

The tables contained on this page list approved refrigerant numbers from ANSI/ASHRAE 34-2016, Designation and Safety Classification of Refrigerants, the latest edition of Standard 34. Find listings for more than 160 refrigerants and refrigerant blends, including their number, chemical name, and chemical formula.

Complete List


ASHRAE Guide for Sustainable Refrigerated Facilities and Refrigeration Systems

Comprehensive Guidance on Sustainable Refrigerated Facilities

ASHRAE Guide for Sustainable Refrigerated Facilities and Refrigerated Systems is an in-depth resource for the sustainable design of refrigerated product facilities, covering the latest in refrigeration technology selection through the commissioning of refrigerated facilities. With guidance on topics such as logistics, product handling, facility layout and location, heat loads, and refrigeration system design, this is the most comprehensive resource on designing these specialized facilities.

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Refrigeration Commissioning Guide

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This Guide was developed through cooperation of ASHRAE and the U.S. Department of Energy, in an effort to promote building energy efficiency. Print copies are available for purchase, but you can download an electronic copy for free.

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Refrigeration Applications Column

May ASHRAE Journal

ASHRAE Journal publishes a monthly column by Andy Pearson on refrigeration and refrigeration applications. Read April's column, Refrigeration Applications: The Big Easy

Ammonia is still an extremely popular and effective refrigerant. This month’s column details the numerous reasons why, as a refrigerant, ammonia is very easy to work with compared to other refrigerants such as HFCs.


Refrigeration-Related Press Releases

Apr 11, 2019 - ASHRAE and IIR Establish New Definitions of Five Refrigeration Keywords

Mar 07, 2017 - Former ASHRAE President Thomas Watson Awarded Institute of Refrigeration’s J&E Hall Gold Medal

Jun 02, 2016 - ASHRAE, AHRI, DOE Partner To Fund Flammable Refrigerant Research

Dec 09, 2015 - Addition Of Subclass 2L Refrigerants Proposed For ASHRAE Refrigerant Safety Standard


Refrigeration Timelines

In 2004, a series of timelines was put together in recognition of the 100th anniversary of ASRE (American Society of Refrigerating Engineers) a predecessor society of ASHRAE. Three timelines span the years 1748-1999. A pdf includes all three. Note: timelines are in reverse chronological order.

Timeline, 1748-1904

Timeline, 1906-1939

Timeline, 1939-1999

pdf_icon.png Timeline, 1748-1999


Refrigeration Awards

George C. Briley ASHRAE Journal Article Award
2014 Winning ArticleAlternatives to Vapor-Compression HVAC Technologies by William Goetzler; Robert Zogg; Jim Young; and Caitlin Johnson

Milton W. Garland Commemorative Refrigeration Award for Project Excellence

Comfort Cooling Award for Project Excellence

Donald A. Siller Refrigeration Award

Lower-GWP Refrigeration and Air-Conditioning Innovation Award


Leadership Voices

Interviews with Members in the Field of Refrigeration

Complete List of Leadership Voices Interviews

VIEW Complete List


Refrigeration Pages of Historical Interest

DOMELRE circa 1915 first electric refrigerator

ASRE Indexes to ASRE Transactions, ASRE Journal, and Refrigerating Engineering

Air-Conditioning and Refrigeration Patents

Special Series Commemorating the First Century of Air Conditioning


A Look Back at HVAC&R

Articles about refrigeration of historical interest

Air conditioning still cool after 100 years

pdf_icon.png The ASHRAE Centennial: 100 Years of Progress (PDF - 13.5 MB)

pdf_icon.png Report on Domestic Refrigerating Machines, 1923 - 1925
By Alexander Stevenson Jr. (1892-1946).

pdf_icon.png Documentation of 1920's Carbon Dioxide Air Conditioning System -- Orpheum Theater, Minneapolis, MN
Documented by Bernard Nagengast et al.

pdf_icon.png History in the Air Conditioning and Refrigeration Industry: Breakthrough of Large Positive Displacement Rotary Compressors in the Second Half of the 20th Century
By Henri Soumerai.

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