Grünenfelder uses Biaggini Frigoriferi system in place of R507A refrigeration system and reversible R404A heat pump.
The new CO2 system, which is the first for cold storage operator Grünenfelder, replaces an old troublesome R507A system.
In 2021, the Swiss manufacturer installed 10 new transcritical CO2 racks and its first two reversible CO2 chillers supplying both AC and heating for a Swiss mall.
Michael’s SUPA IGA store’s transcritical CO2 HVAC&R system is seen as more efficient than R404A systems.
The system includes refrigeration, heating and air conditioning, and boasts up to 30% better energy efficiency than other CO2 booster systems.
The transcritical system supplies 90 refrigeration points at Michael’s SUPA IGA store in Keysborough, Victoria.
ALDI Nord has opened a new store in Estepona, Spain using a CO2 transcritical system that integrates HVAC and refrigeration
Biaggini Frigoriferi, situated in the Italian-speaking part of Switzerland, plans to install five integrated CO2 transcritical systems in 2019.
The TEKO unit was fitted by Dutch installer Frimex at a Agrimarkt store in Terneuzen.