Valued at USD 35.64 billion in 2024, the transcritical CO2 market is projected to reach USD 41.34 billion in 2025 and USD 155.66 billion by 2034, growing at a CAGR of 16.0% during the forecast period 2025–2034. The report segments the market by function, application and region, giving B2B readers a detailed picture of where demand is concentrated. Key players include Advansor A/S, Baltimore Aircoil Company Inc., BITZER Kühlmaschinenbau GmbH, Carnot Refrigeration Inc., Carrier Commercial Refrigeration, Danfoss GmbH, Emerson Climate Technologies, Green & Cool World Refrigeration Ab, Henry Technologies Inc., Hill Phoenix Inc., Mayekawa MSG. Co. Ltd., SCM Frigo SPA, Shecco SPRL, and Systems LMP Inc.

Application Segmentation and Function Outlook

By application, the transcritical CO2 market covers heat pumps, retail, food processing, ice skating rinks and others. By function, it spans refrigeration, heating and air conditioning. Refrigeration dominated in 2024, while the retail application is expected to hold the largest revenue share. Heat pumps are a core application, and North America's growth is supported by its leading heat pump systems manufacturing sector, particularly in the United States. This breadth shows how transcritical CO2 technology extends well beyond a single industry. Retail establishments, including supermarkets, hypermarkets and convenience stores, are the point of attraction for adoption because of their extensive refrigeration needs. The regional scope spans North America, Europe, Asia Pacific, Latin America and the Middle East & Africa.

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F-Gas Regulations Accelerate the Transition

Regulation is a powerful market driver. With increasing awareness of the environmental impact of traditional refrigerants, policies around the world are becoming more stringent and encouraging businesses to shift toward low-GWP and zero-ODP systems. In Europe, the recent F-gas regulations and the HFC phase-out plan mandate cutting the use of hydrofluorocarbons in refrigeration applications by nearly half by 2025. Europe dominated the market in 2024, with demand led by the UK, Germany and France. These F-gas regulations, alongside rules restricting greenhouse gases and chlorofluorocarbons, are expected to support further growth in the region. Industries are increasingly adopting these systems to comply with regulations aimed at phasing out synthetic refrigerants known for their adverse effects on the ozone layer. The region also benefits from low operating costs, non-toxicity and non-flammability.

Food Processing and Ice Skating Rinks Broaden Demand

Food processing is an important end-use area, as food and beverage, cold storage and pharmaceutical industries adopt transcritical CO2 systems to meet environmental requirements and cut their carbon footprint. In Europe, rising use of CO2 in food processing and storage facilities is cited as a demand driver. Ice skating rinks are also identified as a distinct application, reflecting the technology's ability to serve specialized cooling needs. North America's concentration of leading food manufacturing companies, many of which have begun using CO2 for refrigeration, further supports demand from food processing.

Heat Recovery and Recent Product Launches

Product innovation is intensifying. In August 2025, Danfoss launched the H48T-CH CO2/water brazed heat exchanger, based on Micro Plate technology, designed for transcritical CO2 systems and heat recovery in supermarkets. In May 2025, Panasonic subsidiary Hussmann entered an exclusive agreement with Refra to supply transcritical CO2 racks, chillers and R290 heat pump systems to the Australian market, and in February 2025 Hussmann Australia introduced a 20 HP transcritical CO2 condensing unit. Enex Technologies launched SENNA XS and KUBE in December 2024 to enhance refrigeration efficiency. Heat recovery capabilities are increasingly part of competitive positioning. In May 2025, Gruppo SIAD, with Marchesi Ginori Lisci and Solvay, announced plans for a biomethane and bio-CO2 plant in Italy to support sustainable gas production.

Conclusion

High initial cost and the need for skilled installation and maintenance remain restraining factors, particularly for end-users in emerging economies with budget constraints. With regulatory support and diversified applications, the transcritical CO2 market is positioned for rapid expansion through 2034.

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