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

ISSN 1812-772X

ISSN 1812-772X

April 2026 I Vol 42 No 02

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.

REGULARS 1 Editor’ s Note 44 Brand listings

NETWORKING 3 SARACCA drives compliance, training and industry stability under

Moodley’ s leadership

BUSINESS 5 Inside BSIMAC: engineering rigour, performance and a practitioner-led philosophy

DATA CENTRE FEATURE SERIES 7 The unseen foundation 9 York launches next-generation air-cooled magnetic bearing chillers for data centres 11 MPT’ s tailored cooling solutions navigate Africa’ s data centre boom

EVENTS AND EXHIBITIONS 14 TecsaReco celebrates milestones and momentum with golf day

FEATURE 18 Comfort versus health: the evolving paradigms of IAQ

PROJECT 27 Retail building shaped by time, technology and reinvention

VOICES 37 Welcome to the solutions page 41 Navigating the future of HVAC: Data centres, affordability and the imperative of theory 42 Pricing for profit, not just for work

PRODUCTS 43 Testo presents the new testo 860i wireless thermal imager for smartphones www. refrigerationandaircon. co. za

Refrigeration and Air Conditioning Africa

NETWORKING

SARACCA drives compliance, training and industry stability under Moodley’ s leadership

BUSINESS

Inside BSIMAC: engineering rigour, performance and a practitioner-led philosophy

FEATURE

Comfort versus health: the evolving paradigms of IAQ

April 2026 | Vol 42 No. 02 ISSN1812-772X | R92.00