R-32 vs R-454B
Side-by-side refrigerant comparison with pressure-temperature data
Properties Comparison
| Property | R-32 | R-454B |
|---|---|---|
| Type | Pure | Zeotropic |
| GWP | 675 | 466 |
Frequently Asked Questions
What is the difference between R-32 and R-454B?
R-32 has a GWP of 675 and is a pure refrigerant, while R-454B has a GWP of 466 and is a zeotropic refrigerant. They have different operating pressures, capacity characteristics, and application ranges.
Can I replace R-32 with R-454B?
Direct replacement between R-32 and R-454B 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-32 or R-454B?
R-454B has a lower GWP (466) compared to R-32 (675).