Impact of Refrigerants Fact Sheet #2 (V.1.)
Refrigerants: Real GWP and PFAS IPCC AR4 (2007)
IPCC AR6 (2021)
PFAS
Refrigerants / Brand Name
Type
Composition
GWP 100 years
Real GWP 20 years
GWP 100 years
Real GWP 20 years
Yes/No
R143a
HFC
100% R143a
4470
5890
5810
7840
Yes
R125
HFC
100% R125
3500
6350
3740
6740
Yes
R134a
HFC
100% R134a
1430
3830
1530
4140
Yes
R32
HFC
100% R32
650
2330
771
2690
No
R404A Freon 404A
HFC
44% R125 / 4% R134a / 52% R143a
3922
6010
4728
7208
Yes
R407A Freon 407A
HFC
20% R32, 40% R125, 40% R134a
2102
4538
2262
4890
Yes
R410A Freon 410A
HFC
50% R125 / 50% R32
2075
4340
2255
4715
Yes
R407C Freon 407C
HFC
23% R32 / 25% R125 / 52% R134a
1768
4115
1908
4457
Yes
R452A Opteon XP44
HFC/ HFO
11% R32 / 59% R125 / 30% R1234yf
2137
4003
2292
4273
Yes
R449A Opteon XP40
HFC/ HFO
24.3% R32 / 24.7% R125 / 25.7% R134a / 25.3% R1234yf
1390
3119
1504
3383
Yes
R448A Solstice N40
HFC/ HFO
26% R32 / 26% R125 / 21% R134a / 7% R1234ze / 20% R1234yf
1379
3062
1494
3321
Yes
R449C Opteon XP20
HFC/ HFO
20% R32 / 20% R125 / 29% R134a / 31% R1234yf
1245
2847
1346
3087
Yes
R452B Opteon XL55
HFC/ HFO
67% R32 / 7% R125 / 26% R1234yf
681
2006
779
2275
Yes
R454B Opteon XL41
HFC/ HFO
68.9% R32 / 31.1% R1234yf
448
1606
531
1854
Yes
R513A Opteon XP10
HFC/ HFO
44% R134a / 56% R1234yf
629
1686
673
1823
Yes
R450A Solstice N13
HFC/ HFO
42% R134a / 58% R1234ze
601
1611
643
1742
Yes
R454C Opteon XL20
HFC/ HFO
78.5% R1234yf / 21.5% R32
140
502
166
580
Yes
R455A Solstice L40X
HFC/ HFO
75.5% R1234yf / 21.5% R32 / 3% R744
140
502
166
580
Yes
R744
Natural
CO2
1
1
1
1
No
R600a
Natural
Isobutane
<1
<1
<1
<1
No
R290
Natural
Propane
<1
<1
<1
<1
No
R1270
Natural
Propylene
<1
<1
<1
<1
No
R717
Natural
NH3
0
0
0
0
No
R718
Natural
H2O
0
0
0
0
No
R729
Natural
Air
0
0
0
0
No