R-290 (Propane) vs R-134a
R-290 (Propane)
Safety: A3
GWP: 3
ODP: 0
Category: Natural / HC
R-134a
Safety: A1
GWP: 1430
ODP: 0
Category: HFC
Pressure Comparison Graph
Side-by-Side Pressures (PSIG)
| Temp | R-290 (Propane) | R-134a | Δ PSIG |
|---|---|---|---|
| -55°F | -3.6 | -10.0 | -6.4 |
| -50°F | -2.1 | -9.2 | -7.1 |
| -45°F | -0.4 | -8.3 | -7.9 |
| -40°F | 1.4 | -7.3 | -8.7 |
| -35°F | 3.4 | -6.1 | -9.5 |
| -30°F | 5.7 | -4.8 | -10.5 |
| -25°F | 8.1 | -3.4 | -11.5 |
| -20°F | 10.7 | -1.8 | -12.5 |
| -15°F | 13.6 | -0.0 | -13.6 |
| -10°F | 16.7 | 1.9 | -14.8 |
| -5°F | 20.1 | 4.1 | -16.0 |
| 0°F | 23.7 | 6.5 | -17.2 |
| 5°F | 27.6 | 9.1 | -18.5 |
| 10°F | 31.8 | 11.9 | -19.9 |
| 15°F | 36.3 | 15.0 | -21.3 |
| 20°F | 41.1 | 18.4 | -22.7 |
| 25°F | 46.3 | 22.1 | -24.2 |
| 30°F | 51.8 | 26.1 | -25.7 |
| 35°F | 57.7 | 30.4 | -27.3 |
| 40°F | 63.9 | 35.0 | -28.9 |
| 45°F | 70.6 | 40.1 | -30.5 |
| 50°F | 77.6 | 45.4 | -32.2 |
| 55°F | 85.1 | 51.2 | -33.9 |
| 60°F | 93.0 | 57.4 | -35.6 |
| 65°F | 101.4 | 64.0 | -37.4 |
| 70°F | 110.2 | 71.1 | -39.1 |
| 75°F | 119.5 | 78.7 | -40.8 |
| 80°F | 129.3 | 86.7 | -42.6 |
| 85°F | 139.7 | 95.2 | -44.5 |
| 90°F | 150.5 | 104.3 | -46.2 |
| 95°F | 161.9 | 113.9 | -48.0 |
| 100°F | 173.9 | 124.2 | -49.7 |
| 105°F | 186.5 | 135.0 | -51.5 |
| 110°F | 199.6 | 146.4 | -53.2 |
| 115°F | 213.4 | 158.4 | -55.0 |
| 120°F | 227.8 | 171.2 | -56.6 |
| 125°F | 242.9 | 184.6 | -58.3 |
| 130°F | 258.7 | 198.7 | -60.0 |
| 135°F | 275.1 | 213.6 | -61.5 |
| 140°F | 292.3 | 229.2 | -63.1 |
| 145°F | 310.2 | 245.7 | -64.5 |
| 150°F | 328.9 | 262.9 | -66.0 |
| 155°F | 348.4 | 281.0 | -67.4 |
| 160°F | 368.7 | 300.0 | -68.7 |
| 165°F | 389.9 | 320.0 | -69.9 |
| 170°F | 411.9 | 340.8 | -71.1 |
| 175°F | 434.8 | 362.7 | -72.1 |
| 180°F | 458.8 | 385.6 | -73.2 |
| 185°F | 483.7 | 409.7 | -74.0 |
| 190°F | 509.6 | 434.8 | -74.8 |
| 195°F | 536.8 | 461.2 | -75.6 |
| 200°F | 565.1 | 488.9 | -76.2 |