Latent heat
hfg = hg - hf
Cooling effect uses enthalpy difference
Refrigerant property lookup
R32 Refrigerant Properties
Look up R32 saturation pressure, enthalpy, latent heat, and vapor specific volume by temperature for quick HVAC, heat pump, and refrigeration cycle checks.
Instant saturation lookup
Select saturation temperature
Results update automatically using interpolated table values for R32 saturation properties.
Interpolated result
Reference table
R32 saturation table
| Temperature (°C) | Pressure (kPa) | hf (kJ/kg) | hg (kJ/kg) | hfg (kJ/kg) | vg (m3/kg) |
|---|---|---|---|---|---|
| -10 | 250 | 48 | 210 | 162 | 0.045 |
| 0 | 400 | 56 | 225 | 169 | 0.042 |
| 10 | 650 | 64 | 241 | 177 | 0.039 |
| 20 | 950 | 73 | 258 | 185 | 0.036 |
| 30 | 1350 | 82 | 276 | 194 | 0.034 |
| 40 | 1850 | 93 | 295 | 202 | 0.032 |
| 50 | 2500 | 105 | 315 | 210 | 0.03 |
| 60 | 3200 | 118 | 336 | 218 | 0.028 |
| 70 | 4100 | 132 | 359 | 227 | 0.026 |
| 80 | 5100 | 148 | 384 | 236 | 0.024 |
Formulas
Refrigerant property relationships
Saturation state
Tsat corresponds to Psat
At saturation, liquid and vapor can coexist
R32 saturation properties are used for heat pump and air conditioning cycle checks, evaporator and condenser estimates, pressure-temperature comparisons, and service troubleshooting. Always verify final design values against manufacturer data and applicable refrigerant safety standards.
Reference
What the R32 values mean
Saturation pressure
The pressure at which R32 boils or condenses at the selected saturation temperature.
Liquid enthalpy
hf is the energy content of saturated liquid refrigerant at the saturation point.
Vapor enthalpy
hg is the energy content of saturated vapor refrigerant at the saturation point.
Specific volume
vg helps estimate vapor volume flow and compressor displacement requirements.
FAQ
R32 refrigerant questions
What is R32 refrigerant?
R32, also known as difluoromethane, is an HFC refrigerant used in many modern air conditioning and heat pump systems.
Why is R32 used in modern HVAC systems?
R32 can provide strong heat transfer performance and is often selected as a lower-GWP alternative to older refrigerant blends, subject to system design and safety requirements.
Can this table replace manufacturer refrigerant data?
No. Use this page for quick reference and early calculations. Final HVAC work should use manufacturer data, standards, safety rules, and calibrated gauges.
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