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.

 

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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. 

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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.

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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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In Memory Of 1

Anthony Brown FInstR

4 Jun 2026

We are sorry to advise that Anthony Brown FInstR, IOR President from 1992 to 1994, has recently passed away at the age of 91. His influence and generosity left a lasting imprint on the refrigeration community.

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Statement: IOR's Role In Education & Training

4 Jun 2026

The Institute of Refrigeration has recently issued a statement to clarify its role in education and training. The full statement is now available on the IOR website.

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