Select Your Region
Easy to use, Low GWP Refrigerant to Directly Replace R-22 (ASHRAE R434A) in Flooded Chillers & Ice RInks.
ASHRAE Number: R434A
Molecular Weight: 105.3
Temperature Glide: ~1.5 K
Ozone Depletion Potential: Zero
Critical Temperature: 172.1°F (77.8°C)
Critical Pressure: 39.3 Bara (570 psia)
Boiling Point (@ 1 atm): -44.9°F (-48.8°C)
Liquid Density (25°C): 1096 kg/m³
Density of Saturated Vapor (25°C): 53.1 kg/m³
Latent Heat of Vaporization at Boiling Point: 190 kJ/kg
Vapor Pressure (25°C): 11.8 bara (163 psia)
Surface Tension (25°C): 0.00528 N/m
RS-45 provides the closest drop-in R22 replacement for low & high temperature refrigeration capacity (-35°C and +7°C). RS-45 provides a high-performance refrigerant that meets the classification of ASHRAE R434A requirements.
RS-45 provides an easy to use, drop-in replacement technology for R22 with equivalent performance in:
Low Temperature Capacity, Compression Ratio, Coefficient of Performance (COP), Discharge Pressure, and Lubricant Compatibility.
RS-45 provides superior performance to R-22 with the following properties:
Lower Discharge Temperature, Zero Ozone Depletion Potential (ODP), Significantly Lower Global Warming Potential (GWP).
ASHRAE Number: R434A
Molecular Weight: 105.3
Temperature Glide: ~1.5 K
Ozone Depletion Potential: Zero
Critical Temperature: 172.1°F (77.8°C)
Critical Pressure: 39.3 Bara (570 psia)
Boiling Point (@ 1 atm): -44.9°F (-48.8°C)
Liquid Density (25°C): 1096 kg/m³
Density of Saturated Vapor (25°C): 53.1 kg/m³
Latent Heat of Vaporization at Boiling Point: 190 kJ/kg
Vapor Pressure (25°C): 11.8 bara (163 psia)
Surface Tension (25°C): 0.00528 N/m
Oil and Refrigerant Incompatibility
Poor Refrigerant Cooling Capacity
Harsh, Environmentally Damaging Refrigerant Technologies
High Cost & Low Efficiency HFC Refrigeration Gases
RS-45 from ComStar International can be used in a wide range or flooded chiller systems, HVAC or air conditioning systems, as well as a variety of medium & low temperature applications and hockey ice rinks.
ComStar Refrigerants provide replacements for High Global Warming Potential (GWP) refrigerant technologies like R22. Upgrade to the next-gen solution today.
ComStar performance refrigerants help replace dated and harmful chemistries like R22 and R404 in a variety of industrial and commercial chillers. Learn how they're successfully used with glycol thermal fluids for chiller loops here.
The US EPA has restricted the import of R22 effective Jan 1 2020, as a result thousands of ice rinks around the country need to find a suitable eco-friendly replacement. ComStar has provided the only true drop-in replacement with their RS-45 refrigerant. Learn more about the conversion process here.
We’ve detected that you are located in a different region than the region selected on the website. Would you like to change your region?
Current Region: English - United States