Mafuta a Ester opangira firiji compressor:
Kukhazikika kwabwino kwamafuta, kukhazikika kwa hydrolysis, kutsika kwa evaporation komanso chizolowezi chotsika kwambiri cha coke,
Oyenera kugwiritsidwa ntchito mu reciprocating, gyro-mtundu ndi kugubuduza firiji kompresa R-134A, R-407C ndi R-410A.
Mafuta oyambira a HCFC refrigerants:
Mlozera wabwino kwambiri wa viscosity komanso mafuta abwino kwambiri, Kusinthasintha kwa kutentha kochepa komanso kutsika kochepa,
Zokwanira mafiriji a HCFC.