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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 at the Engineering Council Summer Networking Meeting
14 May 2026
The IOR attended the Engineering Council Summer Networking Meeting which focused on the work that the Engineering Council has done on reviewing professional standards, ethics and regulation of the engineering profession including international recognition agreements with countries such as USA and Australia.
Live event
Apprenticeship Funding Under the Growth and Skills Levy
14 May 2026
The Department for Work and Pensions has recently published technical guidance outlining how new apprenticeship units will be funded under the reformed Growth and Skills Levy.
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