Refrigerant gas · HFO / HFC blend
R454B
Lower-GWP replacement for R410A in new ductable and package units.
- GWP
- 466
- ODP
- 0
- Safety class
- A2L (mildly flammable)
Specifications
R454B properties.
| Chemical name | Blend of R32 and R1234yf |
|---|---|
| Type | HFO / HFC blend |
| Composition | R32 / R1234yf (68.9 / 31.1 by weight) |
| Ozone depletion potential (ODP) | 0 |
| Global warming potential (GWP, 100 yr) | 466 |
| Boiling point at 1 atm | −50.9 °C (bubble point) |
| Temperature glide | About 1 K |
| Safety class (ASHRAE 34) | A2L (mildly flammable) |
| Compatible oil | POE (polyolester) |
| Charging | Liquid only (blend) |
GWP values are 100-year figures from the IPCC Fourth Assessment Report (AR4), as used in most regulations. Check the cylinder label and your unit's nameplate before charging.
Applications
Where it's used.
Brands we supply
Handling notes
- Only for equipment designed for R454B; it is not a drop-in for R410A systems
- Mildly flammable: use A2L-rated tools and good ventilation
Compare
All refrigerant gases we supply.
Always use the refrigerant your system was designed for. Mixing gases or charging the wrong one can damage the compressor.
| Gas | Type | GWP | Safety | Typical use |
|---|---|---|---|---|
| R32 | HFC, single component | 675 | A2L | Inverter and fixed-speed split ACs |
| R410A | HFC blend, near-azeotropic | 2088 | A1 | Split and multi-split ACs |
| R22 | HCFC, single component | 1810 | A1 | Older split and window ACs |
| R407C | HFC blend, zeotropic | 1774 | A1 | Package and ductable units |
| R134a | HFC, single component | 1430 | A1 | Screw and centrifugal chillers |
| R404A | HFC blend, near-azeotropic | 3922 | A1 | Cold rooms and cold storage |
| R507A | HFC blend, azeotropic | 3985 | A1 | Low temperature cold storage |
| R454B | HFO / HFC blend | 466 | A2L | New ductable and package units |
| R290 (propane) | Hydrocarbon (HC), natural refrigerant | 3 | A3 | Energy-efficient split ACs designed for R290 |
| R600a (isobutane) | Hydrocarbon (HC), natural refrigerant | 3 | A3 | Domestic refrigerators |
| R1234yf | HFO, single component | 4 | A2L | New car ACs |
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Need R454B?
Your enquiry is prefilled with this gas. Tell us the cylinder size or quantity, or book a gas top-up and leak check with our technicians.
