www. refrigerationandaircon. co. za RACA Journal I June 2025 43
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Personality Profile Sponsored by:
ELBRECHT OSWALD: INNOVATOR AND LEADER IN HVAC ENGINEERING
Elbrecht Oswald, director of Oswald Professional Engineers, is widely recognised for his innovative contributions and strategic problem-solving in the HVAC industry. His career, marked by pioneering projects and unwavering resilience, reflects dedication to excellence and deep expertise in engineering.
With a career spanning multiple industries, Oswald has made significant contributions to the field of HVAC engineering. One of his proudest achievements came in 2020 when he took on a project for a pharmaceutical client, determined to correct common HVAC inefficiencies. His solution— a PID-controlled, self-balancing HVAC system— ensured precise room pressures and flow rates, allowing the client to achieve EU GMP certification. Not only was this a technical triumph, but it also marked a successful turnkey project for Oswald Engineers.
Oswald’ s innovative mindset is evident in his ability to identify and resolve industry-wide challenges. Recognising that leakage through doors and openings was often overlooked in differential pressure calculations, he leveraged BIM and Revit to automate the assessment of airflow distribution. This approach, presented at the 4th BIM Conference by MillaSA, advanced how pharmaceutical facilities manage air handling units and validation documentation. Collaboration has also been a key element of his career. On a coastal site in Africa, he witnessed severe corrosion and vandalism affecting an air handling unit. Partnering with AirOptions, he codeveloped a low-cost, corrosion-resistant unit with passive design elements that enhanced durability and efficiency. This innovation not only protected capital investments but also extended the unit’ s lifespan, proving the value of intelligent engineering solutions.
Oswald’ s career has not been without hurdles. The COVID-19 pandemic affected the world, but in March 2023, he faced a personal battle when he contracted long COVID, resulting in blood clots in his lungs and heart complications that required nearly a year of recovery. Some years later, he faced a new challenge— key engineers in his company had resigned, leaving his business halved. Yet, with unwavering faith and support from family and friends, he rebuilt Oswald Engineers, and today, the company is thriving once again.
Giving up has never been an option for Oswald.“ I don’ t give up! And I don’ t walk away from a project! I live in a beautiful country; I have a wonderful family and I aim to contribute my best to improve South Africa.”
Oswald’ s foray into HVAC was not planned. Initially focused on refrigeration, he found himself drawn into the world of HVAC when pharmaceutical clients challenged his expertise. The complexity and demands of the field intrigued him, and what started as a necessity turned into a passion. Despite his technical expertise, some industry mysteries remain unresolved. One such enigma is a recurring issue in Angola, where fresh air dampers in air handling units are consistently closed— despite repeated efforts.“ For some reason in Angola, they always close the air handling unit fresh air dampers. Until today I cannot convince them to open it, and they cannot they tell me why they close it. It remains a mystery.”
For young engineers looking to enter the industry, Oswald offers clear advice:“ Be brave and take on as many projects as possible— diverse experiences will shape you. And never be afraid to ask questions; no one knows everything.”
His own mentors have played a vital role in his career, many of whom he met during long road trips.“ You really get to know someone when you’ re traveling 500 + kilometres together,” he says, emphasising the value of meaningful interactions and learning from seasoned professionals.
Looking ahead, Oswald sees significant advancements in air filtration methods and the integration of condition monitoring systems in air handling units, which will enhance efficiency and reduce energy consumption. He believes that research and development will continue to drive progress, particularly as buildings become more efficient and design requirements evolve.
His hopes for the industry go beyond technology. He advocates for more training centres in South Africa, emphasising the need to create jobs and maintain a skilled workforce. For Oswald, the future of HVAC engineering is not just about innovation— it’ s about fostering talent and ensuring sustainable growth for the industry.
From his groundbreaking projects to his unwavering resilience, Elbrecht Oswald stands as a leader in HVAC engineering. His career is a testament to the power of innovation, perseverance and an unrelenting commitment to excellence. As he continues to push the boundaries of engineering, his impact on the industry and beyond remains undeniable. RACA
www. refrigerationandaircon. co. za RACA Journal I June 2025 43