Sustainability

EnvironmentUse of Natural Refrigerants

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It has been shown that HCFC gases are a factor behind global warming and the destruction of the ozone layer.
In 1988, the Montreal Protocol brought widespread attention to these difficult issues and in the same year, Japan introduced the Ozone Layer Protection Act. Since then, a succession of regulations governing the manufacture and import of specified HCFCs have been introduced and in 2020, production was abolished.

Since 2000, YOKOREI has been leading the industry by introducing ammonia as a natural refrigerant that does not contain HCFCs into all new logistics center.
We also use a hybrid natural refrigerant that uses a mixture of ammonia and CO2.
In 2023, while the industry average for natural refrigerant use was around 50%,YOKOREI boasted usage of arounnd 70% and we are steadily advancing this initiative.

  • Refrigeration equipment that uses CO2 aloneRefrigeration equipment that uses CO2 alone
  • Hybrid refrigerant equipmentHybrid refrigerant equipment

Trends in Refrigerated Warehouse Storage Capacity and Natural Refrigerant Introduction

Trends in Refrigerated Warehouse Storage Capacity and Natural Refrigerant Introduction

Blue
YOKOREI storage capacity (natural refrigerants)
Skyblue
YOKOREI storage capacity (HCFCs)

Storage capacity values for both natural refrigerants and HCFCs include overseas storage