Discover the opportunities of CO₂ refrigeration
CO₂ is fast becoming the preferred refrigerant in supermarket applications and Danfoss is leading the way towards the adoption of CO₂. With the implementation of refrigerant regulations like the Kigali amendment to the Montreal Protocol (Global) and F-gas regulative (Europe), the quest for alternative solutions is accelerating even further and CO₂ is now recognized as the most viable and efficient solution among natural refrigerants in supermarket applications.
Danfoss has pioneered CO₂ technologies for both transcritical and subcritical systems for more than ten years and has gained valuable experience from thousands of installations all over the world. The many installations have proved that CO₂ can be applied in supermarkets enabling both environmentally friendly and energy saving systems in all types of stores. Meanwhile, alongside the traditional large applications, CO₂ is increasingly being used in a broader range of settings than ever, including very small systems.
Why choose CO₂ as refrigerant?
Today, CO2 has proved itself as a highly reliable and cost effective refrigerant in all climates. Take a look at the CO2 infographic to learn more about all the benefits.
Features and benefits
One solution across all climates
Lowest possible Global Warming Potential (GWP)
Smart solutions for high system efficiency
Proven with more than 10,000 trans-critical CO2 systems worldwide
Industry leading application support and guidance to choose the best solution
Discover the opportunities of CO₂ refrigeration
Danfoss leads the development of solutions and components for CO₂ refrigeration and offers a wide range of products specifically designed for CO₂ transcritical systems.
Highlighted products
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AK-PC 782A is complete regulating units for capacity control of compressors and condensers in a transcritical CO2 booster system with parallel compressor.
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The system manager is the key component of the intelligent Danfoss ADAP-KOOL® refrigeration system for food retail.
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CTR 3-way heat reclaim valve is designed to allow full proportional control of the surplus heat from compressor pack into the heat exchanger of transcritical heat reclaim solutions, securing availability of heat and hot water. The CTR valve prevents pressure peaks eliminating costly system down-time and the risk of insufficient heat supply for store heating and hot water, regardless of installation size.
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The Danfoss Multi Ejector Solution™ ensures that transcritical CO₂ applications for retailers become energy efficient in any climate.
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The new and improved AKVP Electric Expansion Valve with future-proof technology takes simplicity and safety to the next level. Together with the intelligent Danfoss ADAP-KOOL® controllers, you get the market’s most energy saving solution.
Related applications
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Your refrigeration system is the natural place to look for energy efficiency gains. To unlock that potential, you need a controller, expansion valve, and high accuracy sensors that are smart enough to make the technology work together—and a system manager that can help you see and control the bigger picture.
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Align your heating, ventilation, air conditioning, and refrigeration systems, to save money, safeguard stock, and reduce your environmental impact. Integrated solutions unlock the full potential of each application and increases the efficiency of the entire system.
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Connecting your refrigeration system to the cloud offers a world of possibilities to save money and improve food safety. Remote monitoring and management make it easy to check and triage system alarm.
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Energy cost is one of the biggest expenses in the daily operation of your supermarkets. Therefore, retailers increasingly look to enhance the energy efficiency within the stores.
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The Smart Store solution enhances food safety and brings down the energy bill by integrated and smart control of refrigeration, HVAC, lighting and other applications.
Learning
Case studies
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As momentum grows for refrigerants with Low-GWP, industry needs consider safety, environmental and economic factors. Technologies like demand-response and thermal storage are helping to decarbonize the electrical grid and shift electricity consumption, contributing to a low-GWP future.
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Use this list to learn what goes into making an efficient walk-in cooler or freezer.
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In this article, we will explore the pros and cons of different solutions for CO₂ refrigeration in warmer climates – from basic cascade systems to the advanced ejector technology.
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All over the world, the phase-down of conventional HFCs in food retail applications has become the center of attention in the effort to combat climate change. Most recently, at the meetings of the parties under the Montreal protocol in Dubai where qualitative global phase-down of HFCs was agreed with a target of quantifying the details in 2016.
Troubleshooting
Supermarket support
Find answers to frequently asked questions, technical documents, a complete parts list and a video library for troubleshooting.
News
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Supermarkets are a pivotal part of communities worldwide – but they also account for a substantial amount of energy consumption. Danfoss reimagined energy-efficient food retail in its first-ever integrated Danfoss Smart Store and Application Development Center, which opened in 2023 in Nordborg, Denmark. The store features cutting-edge technology and off-the-shelf solutions for reducing energy consumption, food loss, and carbon footprint, exemplifying Danfoss’ journey towards a net-zero supermarket.
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Transcritical 6-cylinder compressor ideal for industrial refrigeration and large-capacity heat pumps
The newest Danfoss BOCK compressor, the HGX56 CO2 T, provides an optimized design solution for industrial and commercial refrigeration, including cold storage and ice sports facilities, as well as for large industrial heat pumps. With the 6-cylinder capacity, customers can reduce the number of compressors in their system, resulting in lower system complexity and investment costs.
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Small-format food retail stores now have the ability to implement CO₂ refrigeration systems without excess first cost investments. Danfoss’ CO₂ MiniPack Controller provides a complete pack solution that makes CO₂ approachable for small-format food retailers who would like to harness its benefits, even those with little CO₂ experience. With the functionality of a dedicated CO₂ controller, minimal complexity and unique ease-of-use at competitive pricing, the MiniPack Controller is a flexible and accessible tool for even the most budget-conscious food retail operation.
Contact us
For further information, please contact us.