Applying A2L Refrigerants Ebook


Applying A2L Refrigerants


E-book 


With the adoption of A2L-based refrigeration technologies expected to rise in the coming years, Copeland is committed to developing the next generation of A2L-optimized solutions. Discover our A2L-qualified components, condensing units, controls, and design strategies which all support the safe use of A2L refrigerants in commercial refrigeration with our new e-book. 


Submit a form to download our e-book and start your sustainability journey. 

A2L Refrigerants: On the Path to Wider Adoption

Classified as “mildly flammable,” low-GWP A2L refrigerants have been identified as viable alternatives to high-GWP hydrofluorocarbons (HFCs). A2L adoption is still in its early stages in the U.S., as regulatory approvals and necessary updates to safety standards and building codes are currently underway. A recent update to the Underwriters Laboratories (UL) safety standard — UL 60335-2-89 — signaled the first key step in their potential roll-out.

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Low-GWP A2L Refrigerant Tank

A2L Refrigerants Solving Key Challenges for the Industry

A2L refrigerants have the potential to solve application challenges within the commercial refrigeration landscape. With charge limits exceeding those approved for R-290, A2Ls represent a potentially higher-capacity alternative in self-contained applications. They also have a likely place in distributed architectures, such as remote, outdoor condensing units (OCUs) or mini-racks used in smaller-format outlets. Discover how to make the low-GWP refrigerant transition through Copeland's “Preparing for A2L Refrigerants in Commercial Refrigeration” white paper.

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A2L Experts Video Series: Tap into our expertise of A2L refrigerant solutions to help you answer questions and navigate the adoption of A2Ls in commercial refrigeration & AC systems.

A2L Qualified Refrigeration Products from Copeland

Combined with Copeland's advanced system controllers, case controls and leak detection sensors, A2L-qualified refrigeration compressors are helping the commercial refrigeration industry to usher in a new era of safe, reliable and lower-GWP refrigeration. Discover this platform and how Copeland can help you on your journey to lower-GWP refrigeration.

Check out our A2L product portfolio.

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A2L refrigerant products from copeland
A2L Refrigerant Leak Detection Sensors And Valves

A2L Leak Detection and Safety Strategies

To mitigate the potential for flammability and ensure operational safety, A2L system architectures need to be designed with specific safety and leak detection strategies. Installing remote systems with A2L refrigerants requires the use of mitigation measures to keep gas concentrations below flammable thresholds.

  • Leak detection and safety shut-off valves to limit releasable charge
  • Air circulation fans and/or ventilation strategies
  • Integrated system controls with A2L logic

In addition to the E3 supervisory control platform, Copeland offers a full suite of connected leak detection sensors and valves for A2L refrigeration systems. 

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Qualifying A2L Refrigerants

Copeland is supporting original equipment manufacturers (OEMs) and end users who are preparing to make the transition to A2L refrigerants. Currently, we are qualifying our Copeland scroll and semi-hermetic compressor lines to use leading A2L refrigerant options. To innovate the next generation of refrigeration technologies — including emerging A2Ls — we recently have completed the construction of a 100,000 sq. ft. research and development (R&D) facility with extensive refrigerant testing capabilities. Learn more about evaluating the current and future role of A2Ls in commercial refrigeration by viewing our article below.

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A2L Refrigerant Tanks Blue Sky
A2L Refrigerant Tank with Service Technician

A2L Servicing Best Practices

HVACR technicians will soon be encountering A2L refrigerants during installations and services calls. Working with A2Ls will require more rigorous attention to basic servicing fundamentals. With the addition of safety considerations, new equipment and A2L-rated tools, recommended best practices for A1 refrigerants will apply. Take a moment to review Copeland's back to basics guide for technicians who service mildly flammable refrigerants.

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A2L Refrigerants FAQs

What does the A2L classification mean?
Why are A2Ls called “mildly flammable”?
Are A2Ls currently used in the HVACR industry?
How do A2Ls compare to HFC refrigerants?
What are charge limits for A2L refrigerants?
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