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.
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.
9 Jul 2025
From intermediate PH diagrams to coldroom sizing and equipment selection, the library of IOR Masterclasses keeps growing! Watch the recordings anytime, anywhere on the IOR webinar channel.
9 Jul 2025
Make sure you get your application form in by 1st August to stand for the IOR’s Trustees Elections held in the autumn.
8 Jul 2025
The revised EN378 standard is now open for public consultation until 26 August 2025.
5 Jul 2025
We are delighted to announce that the IOR Refrigeration Lego Kit has been shortlisted in the Campaign of the Year Category at the Cooling Awards.