In use since the 1990's the R-407 series refrigerants are the best match for replacing R-22 in refrigeration and air-conditioning applications. Case studies show 5%-10% energy savings over other alternatives.
| | Application
| IPCC4 GWP Value
| Comments |
| R-407A | Low & Medium temperature refrigeration
| 2,107
| Great capacity & energy match for R-22
provides excellent heat reclaim
54% lower GWP than R-404A
Must use synthetic oils
|
R-407C
| Medium temperature refrigeration
air-conditioning
| 1,774 | Loses capacity at low evap temps
Great HVAC retrofit product
Must use synthetic oils
|
| R-134a | Medium temperature refrigeration
auto air-conditioning
| 1,430
| Must use synthetic oils |
Product details
R407A is a blend of R-32 (CH2F2), R-125 (CH2CF3), and R-134a (CF3CH2F) in a 20/40/40 ratio by mass.
| Property |
British Units |
S.I. Units |
|---|
| Bubble Point |
-49.0 (°F @ 14.7psia) |
-45.3 (°C @ 1bar) |
| Dew Point |
-37.5 (°F @ 14.7psia) |
-38.9 (°C @ 1bar) |
| Evaporator Glide |
7.7 (°F @ 14.7psia) |
4.3 (°C @ 1bar) |
| Bubble Point Pressure |
163.5 (psia @ 70°F) |
12.5 (bara @ 25°C) |
| Critical Temperature |
180.1 (°F) |
82.3 (°C) |
| Latent Heat Vaporization |
82.6 (Btu/lb @ 70°F) |
186.5 (kJ/kg @ 25°C) |
| Coeff. Vol. Therm. Exp. |
0.0020 (°F -1 40-80°F) |
0.0035 (K-1 0-20°C) |
| Saturated Vapor Density |
0.305 (lb/cuft @ nBpt) |
4.82 (kg/m3 @ nBpt) |
R407C is a blend of R32 (CH2F2), R125 (CH2CF3), and R134a (CF3CH2F) in a 23/25/52 ratio by mass.