Professor Ahmed Kovacevic Wins the Prestigious IOR J&E Hall Gold Medal
The J&E Hall Gold Medal is one of the most prestigious awards in the refrigeration, air conditioning, and heat pump (RACHP) industry. For over 46 years, J&E Hall International has sponsored this award to honour the most noteworthy practical contributions to innovation in the field.

We are proud to announce that our Professor Ahmed Kovacevic has been awarded the prestigious J&E Hall Gold Medal for 2024. This internationally respected award recognises the most noteworthy practical contribution to the field of refrigeration, air conditioning, and heat pump (RACHP) technology.
Professor Kovacevic’s groundbreaking research in compressor technology has earned him this esteemed recognition. He has successfully combined academic research with industrial collaboration to deliver transformative solutions for high-fidelity numerical modelling of rotary positive displacement compressors. His specialist software has revolutionised compressor design, leading to significant improvements in performance, efficiency, and reliability across a wide range of applications, including:
- Energy recovery systems
- Refrigeration
- Air conditioning
- Heat pumps
Professor Kovacevic’s work stands out not only for its technical excellence but also for its real-world impact. His innovative software tools have enabled manufacturers to optimise compressor designs more effectively, reducing energy consumption and enhancing sustainability in the RACHP industry.
Beyond his technical achievements, Professor Kovacevic is playing a key role in knowledge exchange and industry development. He has trained future engineers, advanced global understanding of compressor technology, and established long-term collaborations between academia and industry. His contributions are set to have a lasting impact on the future of refrigeration and sustainable energy systems worldwide.
This award is a testament to Professor Kovacevic’s leadership, vision, and dedication to advancing compressor technology. We congratulate him on this outstanding achievement!
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