The IOR Service Engineers' Section (SES)


ses logo

The specialist section for maintenance, service, commissioning and installation engineers and technicians working in refrigeration, air conditioning or heat pumps gives access to hundreds of free good practice guides produced with the technical backing of the Institute of Refrigeration.

The guides and newsletters are sent by post to subscribers to the section quarterly, to make sure you keep up to date with industry changes and new legislation. See the list of Service Engineers publications currently available here.

There are no entry requirements, and the subscription is open to anyone working in the sector who wants to develop or refresh their knowledge.

When you join you receive

  • Quarterly Good Practice Guides and Bulletins posted to your work or home address together with a copy of the ACR News magazine
  • Access to website service engineer publications so you can download all of the past section publications (usual cost £6 to non-members)
  • A free schraeder valve tightening tool (normal price £12.50) 
  • A folder to keep your downloads and bulletins in
  • A lapel badge, van sticker and membership certificate

When you renew your subscription in April each year you will receive an IOR SES CPD Certificate of participation showing your commitment to keeping up to date.

Current subscription fees 


Are you eligible for IOR Technician Membership (TMInstR)?

If you have more than three years experience and hold an F Gas qualification you could be eligible for full IOR Technician Membership. This combines the practical benefits of Service Engineer Section subscription mailings with IOR recognition through TMInstR initials and Engineering Council EngTech options. There is a very small additional fee for TMInstR and anyone who has been an SES member for two or more years can apply to swap their subscription to Technician Member at no cost!  

Discounts are available to students and to companies who pay for 5 or more employees to join. Contact the Membership Secretary for details ( 


Apply here to join the Service Engineers Section




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Institute of Refrigeration  
Kelvin House, 76 Mill Lane  
Carshalton Surrey SM5 2JR 
United Kingdom 

+44 (0)208 6477033