CO₂ Refrigeration
263 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
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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
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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
Kelvion Launches Dedicated Air Cooler Ranges For Natural Refrigerants
Natural refrigerants have zero ozone depletion potential (ODP) and negligible global warming potential (GWP) compared to fluorinated refrigerants. Further, they enable cost-efficient operation due to inexpensive refrigerant production and long-term availability. This extension of industrial air coolers builds on Kelvion’s track record in refrigeration know-how and is designed for the demands of natural refrigerants in
Sanhua Launches PEV Series Pulse Expansion Valves
Sanhua has introduced the PEV series - pulse expansion valves, designed for use in refrigeration systems to precisely control the flow of refrigerant into the evaporator. The PEV series valves have a solenoid valve structure, allowing flow regulation by pulse width control, ensuring highly accurate and responsive flow control. One of the key features of
Copeland Stream CO2 Semi-Hermetic Compressors for Transcritical & Subcritical Applications
Stream series of 4 cylinder CO2 compressors is the ideal solution for R744 booster systems. It is characterized by a design pressure of 135 bar. Refrigerant flow and heat transfer have been optimized for best performance. All compressors are equipped with CoreSense technology and offer the possibility to diagnose system-related problems faster or even before
Peli BioThermal Launches Further Additions to Company’s Crēdo Cube Dry Ice Range
Peli BioThermal announced an expansion of its renowned reusable Crēdo shipper range providing deep frozen payload protection. The extensive Crēdo Cube Dry Ice portfolio will ease current dry ice shortages significantly impacting the pharmaceutical logistics industry. The additional products will help meet the growing demand to transport temperature-sensitive biologics and time-sensitive cell and gene therapies
AHT Updating Visitor Centre
Following the renovation and inauguration of the showroom, the Custom Event Series customer visits will take place in the same. In the course of the conversion, the AIR system, the SPI system with heat recovery and the CO2 system are installed in the showroom and presented to customers at the subsequent Custom Event Series. The
Danfoss has officially finalized its acquisition of BOCK GmbH
Danfoss formally completes acquisition of German compressor manufacturer BOCK GmbH. The completion of the acquisition reinforces Danfoss’ position as a preferred destination for greener cooling and heating solutions. Today's announcement is made in parallel with Danfoss releasing strong 2022 results, which demonstrate the huge growth potential in products and solutions that contribute to meeting global
New Melform DrIcy Container Range Available from CoolKit
Continuing its long-standing partnership with Italian manufacturer Melform, CoolKit is now supplying the new DrIcy line of fully portable insulated containers to customers within the UK and Ireland. The DrIcy range from Melform has been designed and manufactured for the handling, storage and transport of dry ice. Dry ice is solid carbon dioxide and an
Latest generation of Variable Speed Drives by SANHUA
SANHUA has developed its latest generation of Variable Speed Drives, dedicated to hermetic scroll and rotary compressors, which is designed for applications using natural refrigerants such as CO2 (R744) and Propane (R290). SD2 Variable Speed Drives have been developed to operate with BLDC refrigeration compressors considering the most critical point such as operating envelop, oil
Caverion continues to optimise refrigeration equipment for retail chain in Finland
In recent years, Satakunnan Osuuskauppa has invested significantly in upgrading the refrigeration equipment in its stores to CO2 refrigeration. Caverion's services ensure a long lifecycle and energy-efficient use of the equipment while minimising maintenance costs. "Well over half of the products sold in our food stores are chilled or frozen, and it is therefore extremely
Heatcraft’s Low GWP install leads to 50% energy reduction
Heatcraft Refrigeration Products helped a major meal production and delivery company build a $20 million, 56,000-square-foot food production facility in Union City, Calif. The company is an industry leader in providing sustainable and ethically produced, locally and regionally sourced food for the healthcare, education and retail sectors. The meal production company partnered with Grounded Ventures,
Arneg and Spar together for retail development in Zimbabwe
In August 2022, the Spar Athienitis shop in Harare, Zimbabwe, reopened after a renovation project that began in mid-2021 and involved an investment of USD 1 million. Arneg South Africa responsibled for supplying not only the refrigeration units, but also the refrigeration system. This project was carefully designed to meet the customer's demand for a