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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.
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IOR Education Outreach Programme Extended
11 Nov 2026
The IOR is extending its Education Outreach programme for a further year following positive feedback and support from the RACHP industry.
Education
IOR Announces New Trustees as New IOR President Starts his Term
10 Nov 2026
During its AGM, held on 10 November 2026, the IOR announced that members have elected two new Trustees, Robert Lamb FInstR and Sam Parris FInstR to join the Board.
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