An air-conditioning apparatus comprising: an indoor unit main body having an air inlet through which indoor air is sucked, and an air outlet from which air is blown, the air outlet being elongated in a left-right direction; a cross flow fan provided in the indoor unit main body in which a length thereof in a rotational axis direction is longer than a length of the air outlet in a longitudinal direction such that the cross flow fan extends beyond both ends of the air outlet in the longitudinal direction and the rotational axis direction of the cross flow fan matches the left-right direction of the indoor unit main body; and deflectors provided in the indoor unit main body, the deflectors opposing airflows blown from extensions being portions of the cross flow fan, the expansions being positioned beyond the both ends of the air outlet in the longitudinal direction, wherein the cross flow fan includes a plurality of individual impeller units in the rotational axis direction, each of the plurality of individual impeller units has a plurality of blades provided in a circumferential direction of annular support plates, the plurality of individual impeller units includes a pair of end units positioned at end positions in the rotational axis direction, characterized in that each of the plurality of blades of the end units includes a first blade opposing the air outlet and a second blade in the extensions opposing the deflectors, a shape of the first blade is different from a shape of the second blade, and wherein an airflow blown through the second blades in the extensions flows at a lower wind speed than an airflow blown through the first blades opposing the air outlet. an indoor unit main body having an air inlet through which indoor air is sucked, and an air outlet from which air is blown, the air outlet being elongated in a left-right direction; an air inlet through which indoor air is sucked, and an air outlet from which air is blown, the air outlet being elongated in a left-right direction; a cross flow fan provided in the indoor unit main body in which a length thereof in a rotational axis direction is longer than a length of the air outlet in a longitudinal direction such that the cross flow fan extends beyond both ends of the air outlet in the longitudinal direction and the rotational axis direction of the cross flow fan matches the left-right direction of the indoor unit main body; and deflectors provided in the indoor unit main body, the deflectors opposing airflows blown from extensions being portions of the cross flow fan, the expansions being positioned beyond the both ends of the air outlet in the longitudinal direction, wherein the cross flow fan includes a plurality of individual impeller units in the rotational axis direction, each of the plurality of individual impeller units has a plurality of blades provided in a circumferential direction of annular support plates, the plurality of individual impeller units includes a pair of end units positioned at end positions in the rotational axis direction, characterized in that each of the plurality of blades of the end units includes a first blade opposing the air outlet and a second blade in the extensions opposing the deflectors, a shape of the first blade is different from a shape of the second blade, and wherein an airflow blown through the second blades in the extensions flows at a lower wind speed than an airflow blown through the first blades opposing the air outlet.