R514A properties
| Code | R514A |
|---|---|
| Chemical name / composition | Blend of R1336mzz(Z) and R1130(E) R1336mzz(Z) / R1130(E) (74.7% / 25.3%) |
| Family | HFO/HFC blend |
| GWP (AR4, 100 years) | 2 |
| ODP | 0 |
| Safety class (ISO 817 / ASHRAE 34) | B1: higher toxicity, non-flammable |
| Boiling point (1 atm) | 29.0 °C |
| Temperature glide | 0.0 K |
| Charge equal to 5 t CO₂e | — |
| Status | Next generation |
Where is R514A used?
- Retrofit of R123 centrifugal chillers and new low-pressure chillers
Service and safety notes
- Azeotropic blend: negligible glide, but blends are still charged in liquid phase.
- Non-flammable but higher toxicity (B). Plant rooms need gas detection, mechanical ventilation and personal protective equipment.
- Never charge a system with a refrigerant other than the one on its nameplate; retrofits need manufacturer approval and oil and component checks.
- Charging, recovery and leak checks must be done and recorded by F-gas certified technicians.
R514A and regulations
Covered by Türkiye's Regulation on Fluorinated Greenhouse Gases (Official Gazette, 15 October 2024). HFC supply is being phased down with quotas, high-GWP gases are restricted earlier, leak-check intervals depend on the CO₂-equivalent charge, and handling requires certified technicians. With a GWP below 750 it is among the preferred next-generation options. Always check the current legal text for exact dates and scope.
Alternatives to R514A
Compare all refrigerants in our refrigerant guide.
Other refrigerants
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Frequently asked questions
What is the GWP of R514A?
The 100-year global warming potential (AR4) of R514A is about 2.
Is R514A flammable?
B1: higher toxicity, non-flammable.
What can replace R514A?
Depending on the application: R1233zd, R123. Conversions require manufacturer approval and oil and component checks.