R-22 vs R-32
Side-by-side refrigerant comparison with pressure-temperature data
Properties Comparison
| Property | R-22 | R-32 |
|---|---|---|
| Type | Pure | Pure |
| GWP | 1810 | 675 |
Pressure-Temperature Comparison (PSIG)
| Temp (°F) | R-22 (psig) | R-32 (psig) | Difference |
|---|---|---|---|
| -40°F | -3.8 | 10.3 | -14.1 |
| 40°F | 65.9 | 130.5 | -64.6 |
| 50°F | 79.1 | 152.8 | -73.7 |
| 60°F | 93.6 | 177.3 | -83.7 |
| 130°F | 272.8 | 468.9 | -196.1 |
| 140°F | 304.6 | 519.5 | -214.9 |
| 150°F | 338.9 | 573.9 | -235.0 |
Frequently Asked Questions
What is the difference between R-22 and R-32?
R-22 has a GWP of 1810 and is a pure refrigerant, while R-32 has a GWP of 675 and is a pure refrigerant. They have different operating pressures, capacity characteristics, and application ranges.
Can I replace R-22 with R-32?
Direct replacement between R-22 and R-32 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-22 or R-32?
R-32 has a lower GWP (675) compared to R-22 (1810).