R-1234yf vs R-134a
Side-by-side refrigerant comparison with pressure-temperature data
R-1234yf is a potential replacement for R-134a
Properties Comparison
| Property | R-1234yf | R-134a |
|---|---|---|
| Type | Pure | Pure |
| GWP | 1 | 1430 |
Pressure-Temperature Comparison (PSIG)
| Temp (°F) | R-1234yf (psig) | R-134a (psig) | Difference |
|---|---|---|---|
| -40°F | -3.1 | -7.2 | +4.1 |
| 40°F | 62.0 | 36.0 | +26.0 |
| 50°F | 74.3 | 43.6 | +30.7 |
| 60°F | 87.9 | 52.0 | +35.9 |
| 130°F | 253.6 | 155.9 | +97.7 |
| 140°F | 282.9 | 174.8 | +108.1 |
| 150°F | 314.4 | 195.4 | +119.0 |
Frequently Asked Questions
What is the difference between R-1234yf and R-134a?
R-1234yf has a GWP of 1 and is a pure refrigerant, while R-134a has a GWP of 1430 and is a pure refrigerant. They have different operating pressures, capacity characteristics, and application ranges.
Can I replace R-1234yf with R-134a?
R-1234yf is a potential replacement for R-134a. However, direct drop-in replacement requires checking system compatibility including compressor oil, expansion device, pressure ratings, and safety classification. Always consult the equipment manufacturer.
Which has lower GWP, R-1234yf or R-134a?
R-1234yf has a lower GWP (1) compared to R-134a (1430).