An air management device, comprising: a housing defining a space therein and having at least one air inlet provided at the housing and at least one discharge port (15'-1) provided at a front of the housing; at least one primary impeller provided inside the housing to create an air flow to flow through the space; a heat exchanger provided in the housing and configured to exchange heat air of the air flow; and at least one retractable fan (200, 200') provided on either side of the upper surface the housing and configured to allow a retractable duct of the retractable fan (200, 200')to retract into the housing or to protrude upward through an opening provided on an upper surface of the housing to discharge one of air and heat-exchanged air from the air flow caused by the at least one primary impeller, wherein the at least one retractable fan (200, 200') comprises a first retractable fan and a second retractable fan, wherein the space of the housing has a first secondary space at one side end of the housing for the first retractable fan, a second secondary space at the other side end of the housing for the second retractable fan, and a primary air flow space disposed between the first and second secondary spaces (22, 24) wherein a first separation wall separates the primary air flow space and the first secondary space and a second partition wall separates the primary air flow space and a second secondary space, wherein the housing includes a primary impeller guide provided between the heat exchanger and the at least one discharge port (15'-1), the primary impeller guide having at least one opening to house the at least one primary impeller, wherein the primary impeller guide is configured to guide the air to be discharged to the space through the at least one discharge port (15'-1), and wherein the primary impeller guide is arranged such that a portion of the air flowing through the opening of the primary impeller guide is diverted to the first and second retractable fans (200, 200'). a housing defining a space therein and having at least one air inlet provided at the housing and at least one discharge port (15'-1) provided at a front of the housing; at least one primary impeller provided inside the housing to create an air flow to flow through the space; a heat exchanger provided in the housing and configured to exchange heat air of the air flow; and at least one retractable fan (200, 200') provided on either side of the upper surface the housing and configured to allow a retractable duct of the retractable fan (200, 200')to retract into the housing or to protrude upward through an opening provided on an upper surface of the housing to discharge one of air and heat-exchanged air from the air flow caused by the at least one primary impeller, wherein the at least one retractable fan (200, 200') comprises a first retractable fan and a second retractable fan, wherein the space of the housing has a first secondary space at one side end of the housing for the first retractable fan, a second secondary space at the other side end of the housing for the second retractable fan, and a primary air flow space disposed between the first and second secondary spaces (22, 24) wherein a first separation wall separates the primary air flow space and the first secondary space and a second partition wall separates the primary air flow space and a second secondary space, wherein the housing includes a primary impeller guide provided between the heat exchanger and the at least one discharge port (15'-1), the primary impeller guide having at least one opening to house the at least one primary impeller, wherein the primary impeller guide is configured to guide the air to be discharged to the space through the at least one discharge port (15'-1), and wherein the primary impeller guide is arranged such that a portion of the air flowing through the opening of the primary impeller guide is diverted to the first and second retractable fans (200, 200').