CO₂ Refrigeration
270 articles 8 case studies 52 insights
CO₂ works as a refrigerant everywhere, but not equally well everywhere: in warm climates the argument has always been about running cost, not feasibility. Refindustry follows the technology across retail, cold logistics, industrial plants and heat recovery: daily news, paid case studies with the figures their owners reported, and interviews with the engineers building these systems.
Case studies on CO₂
All cases →
Refra Delivers Advanced CO2 Refrigeration Systems for Major London Depot
Refra
Breaking new ground in transcritical CO2 systems
SWEP
Smart cooling, sustainable heating – Migros turns to Eliwell to boost its refrigeration efficiency
ELIWELLInsights on CO₂
All CO₂ insights →
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
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.
Danfoss Smart Store cuts net energy use by 60% in Denmark
The Coop 365 site combines CO2 refrigeration, heat recovery, smart controls and solar, with heat recovery averaging a three-year payback.
Researchers test R-744 ejector refrigeration for refrigerated vehicles
The ATP-certified prototype delivered COP gains of up to 25.1% at high ambient temperatures and is ready for field testing.
ECOOLTEC debuts T15 all-electric monotemp refrigeration unit
Using R1270 and CO2, the diesel-free system delivers up to 15kW of cooling for single-zone rigid trucks and trailers.
Arneg and Incold to showcase refrigeration systems at Chillventa 2026
Exhibits will span R290 and CO2 systems, refrigerated displays, cold rooms, panels and doors for commercial and industrial applications.
Frascold launches R717 and two-stage CO2 compressor ranges
The new models target industrial and commercial refrigeration applications and will be displayed at Chillventa 2026 in Nuremberg.
GIZ hands over CO2 training reefer in South Africa
The facility builds on courses that trained 30 technicians in 2025 and will support regular practical instruction in natural refrigerants.
Panasonic launches outdoor CO2 condensing units in Singapore
The six-model, factory-assembled R744 lineup targets lower design and installation workloads, with Sheng Siong adopting the technology.
Beijer Ref expands natural refrigerant offering with Lithuanian acquisition
The deal adds Refra’s CO2 refrigeration and propane chiller and heat pump expertise, pending Lithuanian competition approval.