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.
6 Nov 2025
Topics of the new bulletins include direct expansion water-to-refrigerant evaporators, electrical safe isolation and determining the wattage of electric heaters.
5 Nov 2025
The outcomes will be used to shape future legislation for our sector. Take part in this consultation to make the views of the RACHP industry heard. Industry groups will be coordinating a response through ACRIB (Air Conditioning and Refrigeration Industry Board).
5 Nov 2025
The talk by Prof. Ahmed Kovacevic, FREng on emerging technologies in compressors and their systems is now available from the IOR website.
3 Nov 2025
On 29 October, the IOR members met to share their reports on activity, plans and strategies for the future. Seven IOR committees met, including Membership, Education, Environment, Technical, Engineering Technician Group, Women in RACHP, and the Dinner Committee.
29 Oct 2025
At the IOR Annual General Meeting held on 29 October 2025, election results were announced. Stephen Gill FInstR was voted President-Elect, and Stephen Benton FInstR together with David Bostock FInstR were elected as Trustees to the IOR Board.