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Technical
From intermediate PH diagrams to coldroom sizing and equipment selection, the library of IOR Masterclasses keeps growing! Themes explored in the first half of 2025 include:
- Refrigeration pipe sizing
- Compressors - what you need to know
- The vapour compression cycle (parts 1 and 2)
- Best practice for refrigeration pipework
- Sizing of coldrooms and selecting equipment
- Intermediate PH diagrams
Access the recordings anytime, anywhere via the IOR webinar channel or the Masterclass page, where you can also book upcoming sessions.
Recent posts
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
23 Apr 2026
Find out what the IOR can do for you: technical queries, safety codes of practice, new technologies and professional development.
News
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
IOR Celebrates World Refrigeration Day 2026
18 Jun 2026
The IOR will be marking World Refrigeration Day with two newly released podcasts and a webinar. World Refrigeration Day is an international awareness campaign established to raise the profile of the refrigeration, air-conditioning and heat-pump sector and focuses attention on the significant role that the industry and its technology play in modern life and society.
Online event
Call For Abstracts For Adaptation 2027
16 Jun 2026
The Call for Abstracts for the 2nd IIR International Conference on Refrigeration Adapting to Rising Temperatures (Adaptation 2027) is now open.
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