Africa’ s only monthly publication serving the HEVAC & R sectors

ISSN 1812-772X

ISSN 1812-772X

May 2026 I Vol 42 No 03

PUBLISHER DETAILS

PUBLISHED BY INTERACT MEDIA DEFINED( PTY) LTD 13A Riley Road, 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: Megan O ' Connor | megan @ 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, Michael Young, Eugene le Roux and Rob Burger

ADVISORY COMMITTEE Grant Laidlaw, John Ackermann, Pat Burke and Graeme Page

MANAGEMENT Operations / Finance: Sean Macnamara | sean @ interactmedia. co. za Finance: Laetitia Arnott | laetitia @ interactmedia. co. za

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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.

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.

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.

REGULARS 1 Editor’ s Note 44 Brand listings

NEWS 3 Strengthening global defence footprint with mission-critical HVAC solutions

INTERNATIONAL NEWS 5 Why HVAC & R is hot for M & A

NETWORKING 6 Insurance guarantees in construction contracts 8 Celebrating women in SA’ s HVAC & R industry 10 SARACCA introduces digital compliance tools 11 Remembering Piet le Roux: a life of dedication and excellence

FEATURE 23 Feature series – Mine Ventilation: Quantifying the unseen 28 Feature series – Process cooling: Smart cooling with adiabatic and floating condensation in refrigeration

PROJECT 31 Working to world-class air standards

VOICES 37 Welcome to the solutions page 41 The indispensable value of multidisciplinary training in the engineering landscape 42 Budgeting without the buzzwords

TECHNICAL 43 Traditional air cooling is falling short

31

Working to world-class air standards www. refrigerationandaircon. co. za

Refrigeration and Air Conditioning Africa

NETWORKING

Insurance guarantees in construction contracts

BUSINESS

Fan Movement builds local manufacturing future for industrial ventilation

FEATURE

Mine Ventilation: Quantifying the unseen

PROJECT

Working to world-class air standards

May 2026 | Vol 42 No. 03

ISSN1812-772X | R92.00

Heating | Energy | Ventilation | Air Conditioning | Refrigeration

Cover image by Energy Partners Engineering