R-290 vs R-600a

Side-by-side refrigerant comparison with pressure-temperature data

Properties Comparison

Property R-290 R-600a
TypePurePure
GWP 3 3

Pressure-Temperature Comparison (PSIG)

Temp (°F) R-290 (psig) R-600a (psig) Difference
-40°F -3.1 -10.0 +6.9
40°F 62.4 22.8 +39.6
50°F 75.1 29.7 +45.4
60°F 89.2 37.5 +51.7
130°F 263.9 140.9 +123.0
140°F 295.1 160.3 +134.8
150°F 328.8 181.4 +147.4

Frequently Asked Questions

What is the difference between R-290 and R-600a?

R-290 has a GWP of 3 and is a pure refrigerant, while R-600a has a GWP of 3 and is a pure refrigerant. They have different operating pressures, capacity characteristics, and application ranges.

Can I replace R-290 with R-600a?

Direct replacement between R-290 and R-600a 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-290 or R-600a?

R-600a has a lower GWP (3) compared to R-290 (3).