Kita to ke Google : In terms of “Better” it is R32 (Difluoromethane)

It has a better GWP (Global warming potential) of 550 than 1980 (GWP of R410A)
It releases less CO2 than R410A.
Some of the Cons :

It is highly flammable, thus a suppressant of R125 (Pentafluoromethane) was added with R32 to form R410A.
If safety is your concern, forget R32 and go with R410A.



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