An apparatus evaluation system for evaluating, among a first air conditioning apparatus and a second air conditioning apparatus the first air conditioning apparatus and the second air conditioning apparatus being configured to perform air conditioning of a first space, at least the first air conditioning apparatus, comprising: a first evaluation unit that evaluates the first air conditioning apparatus based on a predetermined first evaluation index obtained in a first evaluation operation in which the first air conditioning apparatus is operated in a predetermined operating state; and a first air conditioning control unit that controls the second air conditioning apparatus, wherein the first evaluation unit performs a first evaluation process for evaluating the first air conditioning apparatus based on the first evaluation index obtained in a first operation performed as the first evaluation operation at a time of installation of the first air conditioning apparatus, and a second evaluation process for evaluating the first air conditioning apparatus based on the first evaluation index obtained in a second operation performed as the first evaluation operation after the first evaluation process, and characterized in that, the first air conditioning control unit operates the second air conditioning apparatus before at least one of the first operation and the second operation of the first air conditioning apparatus is performed and/or while at least one of the first operation and the second operation of the first air conditioning apparatus is being performed, so that the conditions of the thermal load at the time of evaluation in the initial stage of installation of the first air conditioning apparatus and the conditions of the thermal load at the time of evaluation after a lapse of time from the installation of the first air conditioning apparatus can be brought close to each other, the first air conditioning apparatus including a first heat source unit, a first use unit, a first liquid-refrigerant connection pipe, a first gas-refrigerant connection pipe, a first controller for controlling the first heat source unit and the first use unit, and the second air conditioning apparatus including a second heat source unit that is different from the first heat source unit, a second use unit, a second liquid-refrigerant connection pipe, a second gas-refrigerant connection pipe, a second controller for controlling the second heat source unit and the second use unit a first evaluation unit that evaluates the first air conditioning apparatus based on a predetermined first evaluation index obtained in a first evaluation operation in which the first air conditioning apparatus is operated in a predetermined operating state; and a first air conditioning control unit that controls the second air conditioning apparatus, wherein the first evaluation unit performs a first evaluation process for evaluating the first air conditioning apparatus based on the first evaluation index obtained in a first operation performed as the first evaluation operation at a time of installation of the first air conditioning apparatus, and a second evaluation process for evaluating the first air conditioning apparatus based on the first evaluation index obtained in a second operation performed as the first evaluation operation after the first evaluation process, and characterized in that, the first air conditioning control unit operates the second air conditioning apparatus before at least one of the first operation and the second operation of the first air conditioning apparatus is performed and/or while at least one of the first operation and the second operation of the first air conditioning apparatus is being performed, so that the conditions of the thermal load at the time of evaluation in the initial stage of installation of the first air conditioning apparatus and the conditions of the thermal load at the time of evaluation after a lapse of time from the installation of the first air conditioning apparatus can be brought close to each other,