R-134a vs R-404A
Side-by-side refrigerant comparison with pressure-temperature data
Properties Comparison
| Property | R-134a | R-404A |
|---|---|---|
| Type | Pure | Zeotropic |
| GWP | 1430 | 3922 |
Frequently Asked Questions
What is the difference between R-134a and R-404A?
R-134a has a GWP of 1430 and is a pure refrigerant, while R-404A has a GWP of 3922 and is a zeotropic refrigerant. They have different operating pressures, capacity characteristics, and application ranges.
Can I replace R-134a with R-404A?
Direct replacement between R-134a and R-404A 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-134a or R-404A?
R-134a has a lower GWP (1430) compared to R-404A (3922).