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

ISSN 1812-772X

ISSN 1812-772X

April 2024 I Vol 40 No 2

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

SUBSCRIPTIONS : Ralph Shongwe | ralph @ interactmedia . co . za

NEWS 3 Cocooning – an air quality control method driving efficiency in the construction sector

SUB-EDITOR : Megan O ’ Connor | megan @ interactmedia . co . za

DESIGN AND LAYOUT : Glyniss Bone | glyniss @ interactmedia . co . za PROCESS CO-ORDINATOR : Lebo Bucibo | lebo @ 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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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 4 Why one should consider ECSA registration

EVENTS AND EXHIBITIONS 7 Frigair 2025 will feature the latest in design , technology and trends 9 Leveraging trade agreements : Insights from Mauritius for the SADC Region

BUSINESS 12 Cooling the data centre : Exploring next-generation data centre solutions 15 Optimising data centre cooling with fabric air diffusers 19 The cold plate conundrum ( Part 1 )

FEATURE 21 Heat pumps can save an energy-starved world

PROJECT 29 UFS implements innovative air-to-water heat pump system to slash

29

UFS implements innovative air-to-water heat pump system to slash energy consumption

energy consumption

CONTRIBUTORS 37 Welcome to the solutions page 40 Failure investigation of a corroded heat exchanger ( Part 2 ) 42 A case for gas engine VRF systems

Refrigeration and Air Conditioning Africa

ISSN1812-772X | R92.00 April 2024 | Vol 40 No . 2

Heating | Energy | Ventilation | Air Conditioning | Refrigeration

NEWS Cocooning – an air quality control method driving efficiency in the construction sector

ASSOCIATIONS Why one should consider ECSA registration

FEATURE Heat pumps can save an energystarved world

PROJECT Cover sponsored by : Mitsubishi Electric Airconditioners ( Pty ) Ltd

Cover Credit : SHC Consulting Engineers