14 Dec 2017
A new guide on variable refrigerant flow (VRF) air conditioning was published in December 2017 as a joint publication from the Institute of Refrigeration and CIBSE. IOR members will be able to download it for FREE from the web site. Over the last 30 years VRF systems have established themselves as effective cooling and heating technology in a range commercial applications. During this time VRF manufacturers have innovated and developed their own range of different VRF solutions. With increased focus on energy efficiency, carbon emissions and sustainability, the need for guidance on the design, application and use of VRF cooling and heating systems has become more important.
The main purpose of this publication is to provide an independent source of information to assist designers in selecting and configuring VRF systems to realise their optimum environmental and economic potential. Specifically, it provides:
Free to IOR and CIBSE members. £72 inc VAT for non members.
Download the new IOR CIBSE VRF Air Conditioning Guide
Or search all of our publications in the Technical Information download area.
29 Jul 2025
Three candidates for the next IOR President-Elect have been announced and an election will be held later this year.
10 Jul 2025
The IOR’s RACHP EngTech Section is proud to announce the launch of an innovative mobile technician’s app, now available on the Apple App Store and Google Play Store.
20 Aug 2025
"What really stuck with me (...) was the urgency, the sense that everyone knows adaptation can’t wait", says Lisa Waters after organising last week's International Conference on Refrigeration Adapting to Rising Temperatures. From key conference insights to the experience of exchanging ideas with delegates from 18 countries, she shares her reflections in this article.
12 Aug 2025
Institute of Refrigeration President, Lisa Jane Cook FInstR, presented certificates and prizes in recognition of three outstanding research papers presented by students at the IOR-organised First IIR International Conference on Refrigeration Adapting to Rising Temperatures.
6 Aug 2025
We are looking forward to welcoming over 110 delegates to the first IIR Conference on Refrigeration Adapting to Rising Temperatures, organised by the IOR.