The label is designed to highlight best-in-class manufacturers of natural refrigerant systems.
The Mini COMPACT CO2 Air Cooler has capacities from 0.4kW to 2.2kW and is up to 30% cheaper to run than conventional air coolers, says the company.
Chateraise purchased the transcritical system from Miyazawa, which signed an exclusive sales agreement with SCM Frigo last year.
Two systems installed in existing stores were forecast to save 25% in energy consumption compared to previous R22 systems.
German firm Güntner hails the potential of adiabatic gas coolers to help boost the efficiency of CO2 transcritical systems in warm climates.
The Woolworths store opened on 6 December and is the retailer’s first to have a fully integrated HVAC&R transcritical CO2 system.
Component manufacturer Güntner is preparing to showcase its natural-refrigerant product portfolio at Chillventa.
METRO has opened its second Russian CO2 transcritical supermarket, a month after opening its first in July.