This ductless Wall-mounted Indoor Unit features a sleek, compact design ideal for light commercial solutions: daycare centers, classrooms, churches, small offices and more. Available as a single-zone unit or multi-zone units, this unit offers long line lengths for a greater distance between indoor and outdoor unit. Dual Barrier Coating is applied to coil, fan, and air duct/vanes to keep unit clean and maintain efficiency. The optional 3D i-see Sensor®, feature is an advanced sensor scans the room for occupancy, then adjusts temperature and airflow accordingly, and saves energy when a room is empty.