Service Engineers Section Bulletin Available For Free Download

For a limited time only, one of the IOR’s Service Engineer Section bulletins will be available for FREE download at

This is a handy reference guide to replacement refrigerants currently available for HFC systems including low GWP HFO, HFC/HFO blends and HCs. This guide will be free until the end of June and is just one small example of what IOR members can access for free year round. A £42 yearly membership gives access to countless technical notes, legislation updates and Codes of Practice, giving members exceptional value for money.

To find out more about becoming a member, visit or email