Refrigerant gas · HCFC, single component
R22
HCFC used in older ACs; being phased out, for servicing existing units.
- GWP
- 1810
- ODP
- 0.055
- Safety class
- A1 (non-flammable)
Specifications
R22 properties.
| Chemical name | Chlorodifluoromethane (CHClF₂) |
|---|---|
| Type | HCFC, single component |
| Composition | 100% R22 |
| Ozone depletion potential (ODP) | 0.055 |
| Global warming potential (GWP, 100 yr) | 1810 |
| Boiling point at 1 atm | −40.8 °C |
| Temperature glide | None |
| Safety class (ASHRAE 34) | A1 (non-flammable) |
| Compatible oil | Mineral or alkylbenzene |
| Charging | Liquid or vapour |
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
- Being phased out under the Montreal Protocol because it harms the ozone layer; supplied for servicing existing systems
- When a major repair is due, ask us about replacing the unit with an R32 or R410A system
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 R22?
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.
