An air-conditioning apparatus, comprising: a refrigerant circuit in which a compressor driven by an electric motor, a use side heat exchanger, at least one expansion device (4a, 4b), and a heat source side heat exchanger are connected to each other by a pipe and through which refrigerant circulates to execute a refrigeration cycle; a power conversion device configured to supply driving force to the electric motor; and a refrigerant cooler through which the refrigerant flowing through the refrigerant circuit flows to cause the refrigerant to receive heat rejected from a component of the power conversion device, the refrigerant cooler having a heat rejecting plate (16, 9) and a heat rejecting pipe (10, 11) through which the refrigerant flows, the heat rejecting pipe having a refrigerant inlet pipe, a refrigerant outlet pipe, and at least one bent portion connecting the refrigerant inlet pipe and the refrigerant outlet pipe, the heat rejecting plate (16, 9) including a first plate having one surface being in surface contact with the component of the power conversion device with a power conversion device sheet metal interposed between the component and the first plate, wherein the component of the power conversion device is fixed to the first plate, and a path of the heat source side heat exchanger being located above a contact portion between the refrigerant cooler and the component of the power conversion device characterized in that the heat rejecting plate (16, 9) further includes a second plate disposed on another surface of the first plate and being in surface contact with the heat rejecting pipe (10,11), wherein the heat rejecting pipe is fixed to the second plate, wherein the at least one bent portion connects the refrigerant inlet pipe and the refrigerant outlet pipe at a lower end portion of the heat rejecting pipe between the refrigerant inlet pipe and the refrigerant outlet pipe. a refrigerant circuit in which a compressor driven by an electric motor, a use side heat exchanger, at least one expansion device (4a, 4b), and a heat source side heat exchanger are connected to each other by a pipe and through which refrigerant circulates to execute a refrigeration cycle; a power conversion device configured to supply driving force to the electric motor; and a refrigerant cooler through which the refrigerant flowing through the refrigerant circuit flows to cause the refrigerant to receive heat rejected from a component of the power conversion device, the refrigerant cooler having a heat rejecting plate (16, 9) and a heat rejecting pipe (10, 11) through which the refrigerant flows, the heat rejecting pipe having a refrigerant inlet pipe, a refrigerant outlet pipe, and at least one bent portion connecting the refrigerant inlet pipe and the refrigerant outlet pipe, the heat rejecting plate (16, 9) including a first plate having one surface being in surface contact with the component of the power conversion device with a power conversion device sheet metal interposed between the component and the first plate, wherein the component of the power conversion device is fixed to the first plate, and a path of the heat source side heat exchanger being located above a contact portion between the refrigerant cooler and the component of the power conversion device characterized in that the heat rejecting plate (16, 9) further includes a second plate disposed on another surface of the first plate and being in surface contact with the heat rejecting pipe (10,11), wherein the heat rejecting pipe is fixed to the second plate, wherein the at least one bent portion connects the refrigerant inlet pipe and the refrigerant outlet pipe at a lower end portion of the heat rejecting pipe between the refrigerant inlet pipe and the refrigerant outlet pipe.