[INQ. NO. 2609M26] At HARFKO 2026, Kookje TNC Co., Ltd. will introduce its integrated capabilities encompassing the design, construction, operation, and maintenance of natural refrigerant CO₂ (R-744) systems, based on field experience gained from the actual construction and application of the first natural refrigerant CO₂ (R-744) refrigeration system in a large supermarket in Korea.
The solution to be presented by Kookje TNC is characterized by a combination of CO₂-specific equipment from global technology partners and system-integration technology tailored to domestic sites.

Centered on the CO₂ booster-based integrated compressor rack of Carrier Commercial Refrigeration (CCR), Kookje TNC will introduce condensing units for convenience stores and small retail outlets, as well as Haier’s showcases. The integrated configuration is characterized by considerations for installation space and operational efficiency, and the company plans to showcase modulating ejector technology, a key technology for improving energy efficiency.
Kookje TNC introduces its capabilities in design reflecting local climate and site conditions, integrated package construction, high-pressure safety and detection systems, and operational optimization. According to data from a Lotte Mart branch with a natural refrigerant system constructed and installed by Kookje TNC in 2025, the CO₂ system demonstrated energy-saving effects of over 30% compared to the existing R-448A system.

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