Some embodiments of an apparatus and system are described for a crossflow blower. An apparatus may comprise an enclosure having a first side and a second side where a portion of the first side is recessed in a direction of the second side. The enclosure may also comprise a first internal height between the first side and the second side and a second internal height between the recessed portion of the first side and the second side. The enclosure may also comprise a motor and a crossflow blower arranged to generate a flow of air between the first side and the second side in a direction substantially perpendicular to an axis of rotation of the crossflow blower. Other embodiments are described.