Access the recording 

If you missed Ian Fisher giving his CoolTalk a recording of the presentation is now available. The talk "Understanding energy efficiency calculations" explores the subject and includes practical examples and information that service engineers and technicians need to know.

IOR Guidance Notes that support the presentation.

IOR members and members of the RACHP EngTech Section can access these guidance notes for free by logging into the IOR website and visiting the publications section.

GPG101-SeasonalCommissioning

GPG68 - Calculating Air Conditioning Cooling Loads

GPG70 - Handling Unit Simple Specific Fan Power Calculations

GPG 85 Preventing cold draughts from ac units in winter

GPG 77 - Server Room Maintenance Tips

Speaker 

Ian Fisher FInstR is an IOR Board Member and member of the IOR'S RACHP Engineering Technicians Section Committee. He is the Technical Sales Director at Mattair and his career in RACHP has spanned over 30 years. He has a wealth of experience in air conditioning, close control, chillers, refrigeration, ventilation and heat pumps. He is a TM44 Air Conditioning Energy Assessor and Decarbonisation (Heating) Solutions specialist. 

 

Recent posts

ior logo square

Members invited to feedback on update and review of IOR Constitution

24 Feb 2026

A review of the IOR Constitution has been carried out to ensure it complies with current Charity Commission guidance and improve the wording for clarity.  Open for consultation and comment by members until 30th April 2026.

Consultation
Talk   Tour May26 1

IOR Announces First Talk & Tour

16 Apr 2026

The IOR is hosting is first-ever Talk & Tour on 19 May; this half-day in-person event will bring together delegates from across the RACHP sector to explore the practical path to net zero.

Live event
Talent Board

IOR Joins The Construction & Built Environment Interim Talent Board

9 Apr 2026

The IOR Education Outreach Project Manager, Matt Harvey, has been appointed to the London's Construction & Built Environment Interim Talent Board to represent the RACHP Sector.

Education
EngTech 25 Logo

IOR EngTech Section Celebrates 25 Years of Supporting Technicians

30 Mar 2026

The Institute is marking the occasion with a special offer designed to support the career progression of section subscribers.  

News
 ISA Full House

Skills Alliance Event Fully Booked - But Still Many Ways to Join In

23 Mar 2026

The IOR Skills Alliance's first meeting in Milton Keynes is at capacity, but there are still many ways to take part in the alliance's work.

Education