Download the paper here.

This paper will be presented by its author Dr D. Colbourne FInstR on 2nd December 2021. For full details and to register click here.

This paper charts the use of flammable refrigerants from the middle of the 18th century to the present day. Giving a comprehensive background to the when, why, how and where of their use. It explores their role in the emergence of mechanical refrigeration, how they have supported the implementation of the Montreal Protocol and how the range of applications is now expanding. It also explains how different flammability classifications and safety requirements have emerged.

 

Recent posts

About

About the IOR

23 Apr 2026

The Institute of Refrigeration is the professional engineering body for all individuals working in RACHP. Find out more about the IOR here. 

News
What We Do

What we do

23 Apr 2026

Find out what the IOR can do for you: technical queries, safety codes of practice, new  technologies and professional development.

News
Untitled Design 5

Join us

23 Apr 2026

When you become a member of the Institute of Refrigeration you are joining a group of specialist experts driving the sector forward.

News
ICR 2027

ICR 2027: Call For Abstracts Now Open

15 Jul 2026

Organisers of the International Congress of Refrigeration (ICR) are inviting abstract submissions that present case studies, innovations, research, and expert insights.

Live event
IOR Summer Newsletter

Summer 2026 IOR Newsletter Now Available

14 Jul 2026

The summer 2026 newsletter features articles on EN378 revision, new environment guidance notes, and pieces from members on topics including pipe insulation.

Publication