R-1234yf vs R-1234ze(E)
Side-by-side refrigerant comparison with pressure-temperature data
Properties Comparison
| Property | R-1234yf | R-1234ze(E) |
|---|---|---|
| Type | Pure | Pure |
| GWP | 1 | 1 |
Pressure-Temperature Comparison (PSIG)
| Temp (°F) | R-1234yf (psig) | R-1234ze(E) (psig) | Difference |
|---|---|---|---|
| -40°F | -3.1 | -7.5 | +4.4 |
| 40°F | 62.0 | 47.7 | +14.3 |
| 50°F | 74.3 | 58.7 | +15.6 |
| 60°F | 87.9 | 70.9 | +17.0 |
| 130°F | 253.6 | 223.7 | +29.9 |
| 140°F | 282.9 | 251.1 | +31.8 |
| 150°F | 314.4 | 280.7 | +33.7 |
Frequently Asked Questions
What is the difference between R-1234yf and R-1234ze(E)?
R-1234yf has a GWP of 1 and is a pure refrigerant, while R-1234ze(E) has a GWP of 1 and is a pure refrigerant. They have different operating pressures, capacity characteristics, and application ranges.
Can I replace R-1234yf with R-1234ze(E)?
Direct replacement between R-1234yf and R-1234ze(E) is not recommended without thorough system evaluation. Check compressor compatibility, oil type, pressure ratings, and safety classification before any refrigerant change.
Which has lower GWP, R-1234yf or R-1234ze(E)?
R-1234ze(E) has a lower GWP (1) compared to R-1234yf (1).