CO₂ Refrigeration
281 articles 9 case studies 54 insights
CO₂ (R744) is a natural refrigerant with a GWP of 1, used in transcritical and subcritical systems from supermarket racks to industrial plants. Refindustry follows the technology across retail, cold logistics, industrial refrigeration and heat recovery: daily news, partner case studies, and interviews with the engineers building these systems.
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Transcritical CO₂ Installation for Cold Logistics in Northern Italy: Four Rivacold TX Racks with RRCX Remote Gas Coolers
Rivacold
Refra Delivers Advanced CO2 Refrigeration Systems for Major London Depot
Refra
Breaking new ground in transcritical CO2 systems
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Insights on CO₂
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Copeland’s Sandro Matic: “There won’t be only one solution”
The use of CO2 in refrigeration has reached an adoption rate of roughly 36% in Europe, against about 6% in the Americas, according to Sandro Matic, President Americas at Copeland. At Chillventa 2026 in Nuremberg, Sergei Mukminov, Editor-in-Chief of Refindustry.com, spoke with Matic at the Copeland stand as he moves from leading Copeland in Europe
Chillventa 2026: What Exhibitors Said About Proving Efficiency in the Field
Chillventa 2026 brought 1,170 exhibitors from 50 countries (up 16% on 2024) and more than 36,000 visitors to Nuremberg on 13 to 15 October. In conversations at the stands, and in a few written follow-ups after the show, one theme kept coming back: how to show that a product delivers its rated efficiency in a
Chillventa 2026 Preview: Key Technologies Ahead of the October Show
Update, 30 October 2026: Chillventa 2026 is over. Read what exhibitors told us at the stands in our post-show report, Chillventa 2026: What Exhibitors Said About Proving Efficiency in the Field. For the policy debate from the day before the show, see our CONGRESS report. Exhibitors arriving in Nuremberg on 13 to 15 October are
News on CO₂
Beijer Ref Opens Training Academy in South Korea
The facility will build CO2 refrigeration expertise and support the industry's shift toward more sustainable natural refrigerant solutions.
White Summit Capital and Danfoss Back €100m Expansion of Aneo Retail
Funding will scale natural-refrigerant systems offered to food retailers under long-term service contracts across Nordic and EU markets.
SANHUA Introduces CO2 Valve and Cooling Solutions at Chillventa 2026
The compact 3-in-1 CBVP is designed to save installation space, simplify service and improve reliability in transcritical CO2 systems.
INTARCON Launches 40 kW Transcritical CO2 Unit for Small Supermarkets
An inverter-driven scroll compressor matches capacity to demand, while the 800 mm-wide design fits through standard doorways.
Rivacold Introduces ADAPTIX Technology for CO2 Refrigeration Systems
Initial supermarket testing in Italy recorded 18% to 22% net energy savings, with standard product availability planned for 2027.
Hillphoenix Launches Advansor FlexONE CO2 Condensing Unit in the USA
The compact system supports retrofits and capacity expansions while maintaining stable cooling at ambient temperatures above 100°F.
NASRC Opens Registration for Five CO2 and Propane Training Events in the US
The free R-TRADE series offers classroom and hands-on instruction for technicians at all experience levels.
MarketsandMarkets Forecasts Natural Refrigerants Market to Reach $3.32 Billion
Asia Pacific led the market in 2025, while CO2 and commercial refrigeration are projected to post the strongest growth through 2031.
Arneg Central America Marks 20 Years, Highlights CO2 Refrigeration Milestone
The company plans to expand technical services while helping regional customers adopt lower-impact refrigerants and more efficient systems.
bluu unit to Enter UK Market with Space Engineering Acquisition
The Bristol-based business will anchor a UK buy-and-build platform while adding in-house CO2 refrigeration pack and heat pump production.
Castel to Present New Refrigeration Components at Chillventa 2026
The lineup targets natural and low-GWP refrigerants, with oil management, vibration control and valve products rated up to 150 bar.
Sanhua launches CBVP Series CO2 ball valve for transcritical systems
The compact unit combines ball, check and service valve functions, with a 140 bar rating, PED certification and optional insulation.