Refrigerant Overview and Properties
Our overview provides you with valuable information about current refrigerants, their GWP values, safety classifications, and environmental compatibility. Learn more about sustainable alternatives and the best options for your refrigeration and air conditioning systems. Optimize your systems with the right refrigerants and actively contribute to environmental protection!
R744 (CO2)
GWP - 1
Status - Natural
Safety Class - A1
Articles:
R717 (Ammonia)
GWP - 0
Status - Natural
Safety Class - B2L
Articles:
- R717 Ammonia as a Refrigerant
- Properties of Ammonia
- De-oiling ammonia (NH3) refrigeration systems
- Ammonia absorption chiller for combined heat, power and cooling (CHP)
- Liquid separator for ammonia
- TRAS 110 for Ammonia Refrigeration Systems and Heat Pumps
- Deaerator for ammonia (NH3) refrigeration systems
- Boiling retardation control in industrial refrigeration systems with pump circulation operation
R290 (Propane)
GWP - 3
Status - Natural
Safety Class - A3
Articles:
- Hydrocarbons as a refrigerant - isobutane (R600a) and propane (R290)
- Flammable Refrigerants - ATEX in the Refrigeration Industry
- Propane (R290) as a Refrigerant - Safety Regulations and Requirements
R600a (Isobutane)
GWP - 3
Status - Natural
Safety Class - A3
Articles:
- Hydrocarbons as a refrigerant - isobutane (R600a) and propane (R290)
- Flammable Refrigerants - ATEX in the Refrigeration Industry
R404A
GWP - 3,992
Status - Banned in the EU since 2020 according to F-Gas Regulation
Safety Class - A1
Articles:
R410A
GWP - 2,088
Status - No long-term future
Safety Class - A1
Articles:
- R410A Refrigerant
- HFO/HFKW-blends as alternatives to HFKWs
- Azeotropic and Zeotropic Refrigerants: Properties and Differences
R134a
GWP - 1,430
Status - Transitional refrigerant
Safety Class - A1
Articles:
R32
GWP - 675
Status - Suitable for transition
Safety Class - A2L
Articles:
R1234yf
GWP - 4
Status - Future-proof
Safety Class - A2L
Articles:
R1234ze
GWP - <1
Status - Future-proof
Safety Class - A2L
Articles:
R407C
GWP - 1,774
Status - Suitable for transition
Safety Class - A1
Articles:
- R407C Refrigerant
- HFO/HFKW-blends as alternatives to HFKWs
- Azeotropic and Zeotropic Refrigerants: Properties and Differences
- Impact on R407C - The Revised F-Gas Regulation 2024
R448A
GWP - 1,387
Status - Transitional refrigerant
Safety Class - A1
Articles:
R449A
GWP - 1,397
Status - Transitional refrigerant
Safety Class - A1
Articles:
R513A
GWP - 631
Status - Transitional refrigerant
Safety Class - A1