RACA Journal April 2020 | Page 5

Contents SAIRAC DBN Centre looks at energy saving in HVAC 35 SAIRAC JHB Centre fired up! FEATURES 38 Looking at the evolution of VRFs 43 Rethinking how we tackle air quality and health 48 Biltong plant’s optimal drying facility. 54 Fit for the environment CONTRIBUTORS 55 PROJECTS H e a t i n g | E n e r g y | Ve n t i l a t i o n | A i r C o n d i t i o n i n g | Re f r i g e r a t i o n INTERNATIONAL NEWS EVENTS ASHRAE PROJECT UNEP develops toolkit to promote climate-smart urbanisation The 2020 AHR Expo unveils next revolution of HVACR ASHRAE VP recaps USA tour Biltong plant’s optimal drying facility Cover sponsored by: Apache Manufacturing CC page 48 33 ASSOCIATIONS HEVAC&R Biltong plant’s optimal drying facility. Getting technical: My take on cooling water treatment over the past fifty years 59 Support: Proper positioning of TEV bulb 63 Essentials: Ships comfort air conditioning 64 Professionals who care: Keep your friends close and your enemies closer! 65 Responsible refrigeration: The truth about indoor AC 67 Back to basics: Are you really prepared for when your worst nightmare hits the fan? COVER SPONSORED BY: Apache Manufacturing CC COLUMN 68 ASHRAE South Africa Chapter VP recaps USA tour www.hvacronline.co.za RACA Journal I April 2020 3