The event will take place in Tokyo as well as feature a new live stream option.
CO2 evaporators should be operated without superheat, heat recovery should be employed, says Professor Armin Hafner.
EU-backed project looked at one year of operation at two stores in different climates.
Professor Pega Hrnjak highlighted cost effectiveness and availability of components as key challenges for the CO2 industry during GL2020.
The deadline to enter the competition is July 28, 2020.
Despite the COVID-19 pandemic, the annual event will go ahead on June 26— with activities to raise awareness about HVAC&R and the cold chain.