A refrigeration apparatus (20) includes a refrigerant circuit (10) in which refrigerant is circulated by a compressor (30) to perform a refrigeration cycle. The compressor (30) includes a fluid machine (82) for compressing refrigerant; and an electric motor (85) for driving the fluid machine (82). Refrigerant oil having volume resistivity of equal to or greater than 1010 Ω·m at 20° C. is used for the compressor (30).