www. refrigerationandaircon. co. za RACA Journal I October 2025 17
Events and Exhibitions
SAIRAC JOBURG CENTRE’ S CHRISTMAS IN JULY AND AGM
SAIRAC Johannesburg Centre held its joint Christmas in July party and annual general meeting on 25 July, with chairman Gregory Grobbelaar presenting the highlights of the 2024 / 5 year.
ENRICHMENT COURSES OFFERED( MOSTLY VIA ZOOM)
• Psychrometrics – Jannie Potgieter( July 2024)
• Equipment selection for refrigeration applications – Robert Fox( August 2024)
• Advanced psychrometrics – Jannie Potgieter( September 2024)
• Air conditioning – Anton Kotze( October 2024)
• Ducting – Robert Fox( November 2024)
• Load estimating for refrigeration applications – Robert Fox( March 2025)
• Fans course – Francois Schoombie( May 2025)
All images by © RACA Journal
Site visits for the year included HC Group.
TECHNICAL TALKS( TOPICS AND PRESENTERS)
• HVAC technology and operations – Charles Friedman( July 2024)
• Altitude impact on cooling – Jannie Potgieter( August 2024)
• Liquid cooling in data centres – Michael Young( September 2024)
• Training and trade testing – Grant Laidlaw( October 2024)
• Open source vs proprietary HVAC solutions – Robert Fox( February 2025)
• Subcritical CO₂ condensing – Andre van der Merwe( face-to-face, May 2025)
• Optimising CO₂ systems – Jannie Potgieter( June 2025)
Committee members( left to right): Gregory Grobbelaar, Jaco Pieterse, Mariet Pieterse, Robert Fox, Grant Laidlaw, Gareth Channer, James Laidlaw, Ryan Laidlaw and Mankale Molaba.
Committee meetings were held monthly, alternating between Zoom and face-to-face.
KEY EVENTS HOSTED
• 60th AGM & Christmas in July Function – July 2024
• Dreosti Memorial Lecture – Dr Andy Pearson( September 2024)
• Annual Fellows Luncheon –( October 2024)
• 36th Annual Golf Day –( March 2025)
• 11th FRIGAIR Expo – Gallagher Estate( June 2025)
MEMBERSHIP FIGURES( AS OF JUNE 2025 – JOHANNESBURG CENTRE):
• Students: 2
• Associates: 72
• Associate members: 126
• Members: 139
• Paying Fellows: 4
• Exempt Fellows: 6
• Exempt members: 76
• Total: 425 members RACA
Anton Kotze, Anita Kotze, David Botha, Carla Botha, Michael Young, Marco van der Walt, Juan van der Walt.
Best Learner Award: Irvin van der Poll – recognised for winning the FRIGAIR skills competition.
www. refrigerationandaircon. co. za RACA Journal I October 2025 17