CO₂ Refrigeration
278 articles 9 case studies 52 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.
Case studies on CO₂
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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
SWEPSpecial editions on CO₂
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Insights on CO₂
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Chillventa 2026 Preview: Key Technologies Ahead of the October Show
Exhibitors arriving in Nuremberg on 13 to 15 October are no longer arguing about whether to move to natural refrigerants. They are showing how fast the move can be made, and at what cost. That single change of question runs through nearly every release we have received ahead of Chillventa 2026, the largest edition of
A2Ls Are Not a Bridge: Heatcraft on Refrigerant Choice in North America
Sergei Mukminov, Editor-in-Chief of Refindustry.com, interviewed David Bolaños, Director of Marketing and Product Management at Heatcraft Refrigeration Products, about the direction of the North American commercial refrigeration market and the thinking behind the company's refrigerant strategy. The interview was conducted in writing in August 2026. It comes at a point when the regulatory ground has
Beyond Refrigeration: How CO₂ Systems Are Becoming the Energy Hub of Modern Food Retail
The Danfoss Smart Store ADC in Nordborg. Source: Danfoss A/S. A Danish convenience store covered 100 percent of its heating demand from refrigeration waste heat through the coldest winter in more than a decade. Over two years of operation, the same site exported 36 MWh of surplus heat to its city's district network and saved close
News on CO₂
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.
SANHUA Introduces Cost-Effective CO2 Condensing Unit Package
The integrated package gives OEMs a single source for CO2 components and controls, with cloud connectivity and smartphone monitoring.
Eurovent Certification proposes overhaul of heat exchanger certification
Industry stakeholders will review new product pathways, testing rules and audit requirements at hybrid sessions in Paris on 10 November.
Enex Technologies to showcase five natural refrigerants at Chillventa 2026
New packaged systems and data-centre cooling technologies will join lifecycle cost and coil-protection presentations in Nuremberg.