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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 Board Of Trustees Elections 2026
25 Jun 2026
As a member of the IOR you can take a more active role in the Institute by becoming a member of its governing body, the Board of Trustees. Fellows, Members, Associates and Technicians are all invited to consider joining the Board in this year’s round of elections. Each year two new Board members are elected by the membership to encourage opportunities for new people and different expertise and experience to play a role.
News
Podcast Marking the 10th Anniversary of WiRACHP
23 Jun 2026
The IOR Women in RACHP (WiRACHP) Network is 10 years old! To mark this occasion, the WiRACHP Network invited Sam Buckell and Miriam Rodway to talk about the highlights of the last 10 years.
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