Jump to main content.



Global Warming Potentials and Ozone Depletion Potentials of Some Ozone-Depleting Substances and Alternatives Listed by the SNAP Program 

Table 1: Commercial Refrigeration

Refrigerant GWP ODP
CFC-12 10,900 1
R-502 4,657 0.334
R-507A 3,985 0
R-404A 3,922 0
R-407A      2,107 0
HCFC-22 1,810 0.055
R-407C 1,774 0
HFC-134a 1,430 0
Propane (R-290) 3.3 0
CO2 (R-744) 1 0
Ammonia (R-717) 0 0

Table 2: Domestic Refrigeration

Refrigerant GWP ODP
CFC-12 10,900 1
HFC-134a 1,430 0
HFC-152a 124 0
Isobutane (R-600a) 3 0

Table 3: Transport Refrigeration

Refrigerant GWP ODP
CFC-12 10,900 1
R-502 4,657 0.334
R-507A 3,985 0
R-404A 3,922 0
R-410A 2,088 0
HCFC-22 1,810 0.055
R-407C 1,774 0
HFC-134a 1,430  0
Nitrogen (R-728) 0 0

Table 4: Motor Vehicle Air Conditioners (MVACs)

Refrigerant GWP ODP
CFC-12 10,900 1
HCFC-22 1,810 0.055
 R-407C 1,774 0
HFC-134a 1,430 0
HFC-152a 124 0
HFO-1234yf 4 0
CO2 (R-744) 1 0

Table 5: Unitary (Central) Air Conditioning

Refrigerant GWP ODP
R-410A 2,088 0
HCFC-22 1,810 0.055
 R-407C 1,774 0

Table 6: Construction, Domestic Refrigeration, and Refrigerated Transport Foams

Refrigerant GWP ODP
CFC-12 10,900 1
CFC-11 4,750 1
HFC-227ea 3,220 0
HCFC-142b            2,310 0.065
HCFC-22 1,810 0.055
HFC-134a 1,430 0
 HFC-245fa 1,030 0
HFC-365mfc 794 0
HCFC-141b  725 0
HFC-152a 124 0
Cyclopentane <25 0
n-Pentane <25 0
Methyl Formate <25 0
Isopentane 11 0
-1233zd(E) (HBA-2) 4.7-7 ≈0
HFO-1234ze(E) 6 0
Isobutane 3 0
CO2  1 0

Blowing agents are approved on a end-use basis. Please refer to the SNAP Listings to determine which ODS or alternative is appropriate for each end-use.

Table 7: Non-Medical Aerosol Propellants and Solvents

Refrigerant GWP ODP
Propellant    
CFC-12 10,900 1
HCFC-22 1,810 0.055
HFC-134a 1,430  0
N2O 298  0.017
HFC-152a   124 0
HFO-1234ze(E)   6 0
Butane 4 0
Propane 3.3 0
Isobutane 3 0
CO2 1 0
Dimethyl Ether  1 0
Solvent    
CFC-113 6,130  0.8 
CFC-11 4,750 1
HFC-43-10mee 1,640 0
HFC-245fa 1,030 0
HFC-365mfc 794 0
 HCFC-141b 725 0.11
HCFC-225cb 595 0.033
HFE-449s1 (HFE-7100) 297 0
Methyl chloroform 146 0.1
HCFC-225ca 122 0.025
HFE-569sf2 (HFE-7200) 59 0
Oxygenated Organic Compounds <20 0
-1233zd(E) (HBA-2)  4.7-7 ≈0
Hexane 3 0
Heptane 3 0

Local Navigation



Jump to main content.