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

ISSN 1812-772X

ISSN 1812-772X

October 2025 I Vol 41 No 08

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

REGULARS 1 Hot and chilled 44 Buyer’ s guide

INTERNATIONAL NEWS 3 LG unveils ambitious global HVAC growth strategy

NEWS 5 Advantage Air enters fire safety market with SABS-certified fire dampers

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, Ryan Rennie and Michael Young

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

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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.

ASSOCIATIONS 6 A guide to gas practitioner registration and compliance in SA 9 The fabric of air

BUSINESS 11 Hantech, a new German air-conditioning brand, sets sights on SA 12 Metraclark’ s digital leap: enhancing HVAC & R accessibility with e-commerce platform 13 Cooling Africa’ s digital future means scaling energy solutions for data centres

EVENTS AND EXHIBITIONS 17 SAIRAC Joburg Centre’ s Christmas in July and AGM

FEATURE 18 Heat pumps are SA’ s most under-rated energy solution

PROJECT 26 First-of-its-kind integrated CO2 system cools Makro store, promising efficiency gains

CONTRIBUTORS 32 Welcome to the solutions page 36 Business continuity for HVAC technicians: preparing for life’ s curveballs 40 The unwritten rules of performance review

TECHNICAL 42 Mastering heat exchanger longevity through a focus on water chemistry( Part 1)

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First-of-its-kind Integrated CO2 system cools Makro store, promising efficiency gains

Refrigeration and Air Conditioning Africa

ISSN1812-772X | R92.00 October 2025 | Vol 41 No. 08

Heating | Energy | Ventilation | Air Conditioning | Refrigeration

INTERNATIONAL NEWS LG unveils ambitious global HVAC growth strategy

ASSOCIATIONS A guide to gas practitioner registration and compliance in SA

FEATURE Heat pumps are SA’ s most underrated energy solution

PROJECT First-of-its-kind integrated CO2 system cools Makro store, promising efficiency gains

Cover image by Future Green Now