Refrigerant R454b

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  • REFRIGERANT R454B

    The lowest GWP replacement for R410a which provides similar capacity and efficiency

    Refrigerants

DIRECT REPLACEMENT FOR R410A-DESIGNED SYSTEMS

Refrigerant R454b is a mildly flammable low global warming potential (GWP) hydrofluoroolefin-based refrigerant to replace R410a in new equipment designs. It offers the optimal balance of properties to replace R410a in direct expansion air conditioning, chiller, and heat pump applications.

R454b offers similar properties to R410a which makes it easy and cost-effective to apply in new equipment without major modifications.

APPLICATIONS, PERFORMANCE, AND ENVIRONMENTAL BENEFITS

R454b refrigerant

APPLICATIONS:

  • Commercial chillers and heat pumps
  • Positive displacement systems
  • Direct replacement for all equipment types designed for R140a

PERFORMANCE:

  • Compared to R410a, capacity reduction is as low as 3%
  • 2% efficiency improvement vs. refrigerant R410a
  • 20% lower mass flow vs. refrigerant R410a

ENVIRONMENTAL BENEFITS:

  • 78% global warming potential reduction vs. R410a
  • Zero ozone depletion potential​

R454B PROPERTIES

ASHRAE number

R454b

Composition

R1234yf/R32

Boiling point @ 1atm [°C]

-50.9

Critical temperature [°C]

77.0

Ozone depletion potential

0

GWP AR5

467

ASHRAE safety class

A2L

Temperature glide [K]

1.5

Molecular weight [g/mol]

62.6

Liquid density @ 21.1°C [kg/m³]

980.5

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