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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
Apprenticeship Funding Changes
30 Jul 2026
The Government has announced a significant change to apprenticeship funding that will make it easier and more affordable for employers to invest in the next generation of talent from 1 August 2026.
Education
Bookings Open For Adaptation 2027
28 Jul 2026
Bookings are now open for the 2nd IIR International Conference on Refrigeration Adapting to Rising Temperatures. Taking place in Birmingham (UK) from 8 to 10 March 2027, the conference programme will take an international view of adaptation strategies and bring together international experts to accelerate the transition toward a sustainable, future‑proof global cooling sector.
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