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 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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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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ICR 2027

ICR 2027: Call For Abstracts Now Open

15 Jul 2026

Organisers of the International Congress of Refrigeration (ICR) are inviting abstract submissions that present case studies, innovations, research, and expert insights.

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Summer 2026 IOR Newsletter Now Available

14 Jul 2026

The summer 2026 newsletter features articles on EN378 revision, new environment guidance notes, and pieces from members on topics including pipe insulation.

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