Table 7.

Global warming potential (GWP) of common fluorinated [109] and alternative gases [110,111,112].

Gas	GWP (AR49, 100 Year)
CO2	1
Ammonia (NH3)	0
Nitrous oxide	298
Hydrocarbons
Methane	25
Propane (R-290)	3
Isobutane (R-600a)	3
Propylene (R-1270)	<1
HFC
R134a	1430
R407C	1774
R410A	2088
R404A	3922
HFC-125	3500
PFC-14	7390
SF6	22,800