RACA Journal September 2025 RACA_September2025 | Page 4

Africa’ s only monthly publication serving the HEVAC & R sectors
ISSN 1812-772X

Contents

ISSN 1812-772X
September 2025 I Vol 41 No 07
PUBLISHER DETAILS
PUBLISHED BY INTERACT MEDIA DEFINED( PTY) LTD 13A Riley Rd, Bedfordview, 2007, South Africa PO Box 695, Edenvale, 1610 Tel: + 27( 0) 11 579 4940 | Web: www. interactmedia. co. za
PUBLISHING UNIT LEAD: Dale Macnamara | dale @ interactmedia. co. za EDITOR: Eamonn Ryan | eamonn @ interactmedia. co. za
ADVERTISING EXTERNAL SALES Dale Macnamara | sales @ interactmedia. co. za Chandre van Aswegen | chandre @ interactmedia. co. za
SUBSCRIPTIONS: Ralph Shongwe | ralph @ interactmedia. co. za
SUB-EDITOR: Tanya Olckers | tanya @ interactmedia. co. za
DESIGN AND LAYOUT: Ruan Coetzee | ruan @ interactmedia. co. za PROCESS CO-ORDINATOR: Royce Headger | royce @ interactmedia. co. za
REGULAR CONTRIBUTORS Grant Laidlaw, Ryan Rennie and Michael Young
REGULARS 1 Hot and chilled 45 Brand listings 48 Final fix
NEWS 3 A legacy of cool: celebrating Dave Nicholls’ illustrious 60-year career in
HVAC & R
ASSOCIATIONS 5 SARACCA urges online registration for compliance in SA 7 The role of airflow commissioning in HVAC systems
BUSINESS 11 DFFE’ s roadmap for phasing out global warming substances in HVAC & R
ADVISORY COMMITTEE Grant Laidlaw, John Parry, Pat Burke, Graeme Page and Willem van der Westhuizen
MANAGEMENT Operations / Finance: Sean Macnamara | sean @ interactmedia. co. za Finance: Laetitia Arnott | laetitia @ interactmedia. co. za
PRINTER: Typo Colour Printing Specialists
DISTRIBUTION / MAILING: distribution @ interactmedia. co. za
ENVIRONMENT-FRIENDLY PRINTING: All paper is sourced from the Forest Stewardship Council and Chain of Custody-certified suppliers. All wastepaper from the plant is recycled. All used plates are recycled. All new printing equipment is purchased for low energy-consumption levels and low volatile organic-compound emissions.
EVENTS AND EXHIBITIONS 13 Battling global warming: enhancing efficiency and longevity in hydronic systems 16 The third Pan African Data Centre conference 18 From dust to data: 80 years of mine ventilation progress in SA
FEATURE 21 Cooling implications for ever-evolving digital infrastructure
PROJECT 33 Inside a state-of-the-art air-conditioned banana ripening facility
DISCLAIMER: While every reasonable precaution has been taken to ensure the accuracy of the advice and information given, neither the editor, publisher, proprietor, staff, nor any official body represented or published in this issue, will accept responsibility for any damages, loss, injuries, or false claims that may arise or be made in the content. Including but not limited to any references to gender, religion, politics, ethnicity, or personal preferences of any editorial contribution whether an industry expert, advertiser through sponsored or paid content or contract writer. We subscribe to the Code of Conduct of the Advertising Regulatory Board( info @ arb. co. za) and the Press Ombudsman( see below). Disclaimers by individual companies are hereby overridden by this disclaimer.
CONTRIBUTORS
38
Cleanrooms down to a science
40
Investing in success, not just damage control
42
Welcome to the solutions page
Refrigeration and Air Conditioning Africa
COPYRIGHT: Reproduction of any of the content and photographs is expressly forbidden in terms of the Copyright Act of 1987 with all amendments. All requests to reproduce must be made in writing to the publisher and such confirmation must be given in writing before proceeding. A copy of where the reproduction was published must be supplied to the publisher at the above address. All publication and exhibition titles are registered as trademarks in terms of the Trademarks Act of 1993 and are held by Interact Media Defined( Pty) Ltd, Reg No 2014 / 092774 / 07.
PRESS OMBUDSMAN: This publication has committed itself to maintain the highest standards of journalism as embodied in the Press Code of Professional Practice. If you believe we have failed to report news and comment accurately, honestly and fairly, you may lodge a complaint with the Press Ombudsman either by email, letter, or by telephoning the office for the procedure to be followed. Tel: + 27( 0) 11 484 3612 / 8 | Email: enquiries @ ombudsman. org. za Website: www. presscouncil. org. za for the press code and / or the complaints form.
33
Inside a state-of-the-art air-conditioned banana ripening facility
ISSN1812-772X | R92.00 September 2025 | Vol 41 No. 07
Heating | Energy | Ventilation | Air Conditioning | Refrigeration
ASSOCIATIONS SARACCA urges online registration for compliance in SA
BUSINESS DFFE’ s roadmap for phasing out global warming substances in HVAC & R
EVENTS Battling global warming: enhancing efficiency and longevity in hydronic systems
FEATURE Cooling implications for everevolving digital infrastructure
Cover image © RACA Journal
When measurement matters
Jan- Mar 2025 Print: 2 885 Online: 3 554

2
RACA Journal I September 2025
www. refrigerationandaircon. co. za