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

ISSN 1812-772X

ISSN 1812-772X

November 2021 I Vol 37 No 9

PUBLISHER DETAILS

PUBLISHED BY INTERACT MEDIA DEFINED ( PTY ) LTD 13A Riley Rd , Bedfordview 2009 , 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 : Benjamin Brits | benjamin @ interactmedia . co . za

ADVERTISING EXTERNAL SALES Dale Macnamara | sales @ interactmedia . co . za Zeldalee du Toit | zeldalee @ interactmedia . co . za

SUBSCRIPTIONS : Maxlee Marange | mmarange @ interactmedia . co . za Ralph Shongwe | ralph @ interactmedia . co . za

SUB-EDITOR : Tarren Bolton | tarren @ interactmedia . co . za

DESIGN AND LAYOUT : Glyniss Bone | glyniss @ interactmedia . co . za PROCESS COORDINATOR : Lebo Bucibo | lebo @ interactmedia . co . za

CONTRIBUTORS Grant Laidlaw , Barney Richardson , Laura Cowley , Lilian Rodriguez , and Pieter de Bod

ADVISORY COMMITTEE Martin Braun , Charles Nicolson , Grant Laidlaw , John Parry , Alec Johannsen , Charel Marais , Ralph Cramer , 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 .

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 : 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 .

NEWS 3 SA faces tough road to net-zero emissions by 2050 5 Helping dairy producers stay cool under pressure

INTERNATIONAL NEWS 9 Healthy air , healthy planet 11 Now is the time to act

ASSOCIATIONS 13 ECSA consults voluntary associations on IDoEW 14 SAIRAC KZN annual golf day

EVENTS AND EXHIBITIONS 19 SARACCA holds national branch meeting 22 Eurocool holds ‘ On the Road ’ 2021 Expo 23 Industry eager to partake in long-awaited FRIGAIR 2022

FEATURES 24 Digital strategies for smart buildings of the future with BMS

PROJECT 30 The Ridge : The whole is greater than the sum of its parts

CONTRIBUTORS 39 Support : The continued use of disposable cylinders 43 Responsible Refrigeration : Working with refrigerants and their flammability

TECHNICAL 45 Using UV light as disinfectant - Part 1

30

The Ridge : The whole is greater than the sum of its parts

Heating | Energy | Ventilation | Air Conditioning | Refrigeration

EVENTS Industry eager to partake in longawaited FRIGAIR 2022

FEATURE Digital strategies for smart buildings of the future with BMS

PROJECT The Ridge : The whole is greater than the sum of its parts

TECHNICAL Using UV light as disinfectant

V & A Waterfront | Sarah da Pina