R290 vs. CO2: The Future of Natural Refrigerants in Commercial Refrigeration

As global regulations continue to restrict high-GWP refrigerants, the commercial refrigeration industry is moving rapidly toward more environmentally responsible solutions. Among the most discussed natural refrigerants, R290 and CO2 (R744) have become two important choices for manufacturers, retailers, and food service businesses.

R290: Efficient and Practical for Plug-In Refrigeration

R290, also known as propane, has a very low Global Warming Potential (GWP) and excellent energy efficiency. It is widely used in commercial freezers, display cabinets, kitchen refrigerators, beverage coolers, and other plug-in refrigeration equipment.

One of the biggest advantages of R290 is its strong balance between performance, cost, and environmental benefits. For standalone commercial refrigeration products, R290 systems are relatively mature, efficient, and practical for mass production. This makes R290 a preferred solution for many markets, especially where customers need energy-saving equipment with competitive pricing.

However, R290 is flammable, so product design, refrigerant charge, labeling, transportation, installation, and after-sales service must follow strict safety standards.

CO2: A Strong Solution for Large-Scale Systems

CO2, also known as R744, has a GWP of 1 and is non-flammable. It is increasingly used in supermarket centralized refrigeration systems, cold rooms, food processing facilities, and large retail projects.

Compared with R290, CO2 is more suitable for large-scale and system-based refrigeration. It can support both medium and low temperature applications and can also be used for heat recovery, which is especially valuable in regions with colder climates.

The main challenge of CO2 is its high operating pressure and more complex system design. It requires advanced components, professional installation, and experienced maintenance teams. For this reason, CO2 is often better suited to large projects rather than small plug-in cabinets.

Future Trend: Different Refrigerants for Different Applications

Looking ahead, both R290 and CO2 will play important roles in the future of refrigeration. R290 is expected to remain one of the leading choices for standalone commercial freezers and display cabinets because of its high efficiency, low GWP, and practical cost structure.

CO2 will continue to grow in supermarkets, cold chain logistics, and large food retail systems, especially in markets with strict environmental regulations and strong demand for sustainable refrigeration infrastructure.

In other words, the future will not belong to one single refrigerant. Instead, the industry will move toward application-based solutions: R290 for efficient plug-in equipment, and CO2 for large-scale refrigeration systems.

SUILING’s Commitment to Innovation and Sustainability

At SUILING, we believe that refrigeration technology should not only meet today’s business needs, but also support a more sustainable future. We continuously follow global environmental regulations, improve product efficiency, and explore advanced refrigeration solutions that help customers reduce energy consumption and environmental impact.

From product development to manufacturing, SUILING remains committed to innovation, quality, and environmental responsibility. As the refrigeration industry continues to evolve, we will keep moving forward with reliable, efficient, and eco-friendly solutions for customers around the world.