Overview for Mitsubishi SZ-KD18NAIf you are looking for the Mr. Slim series from Mitsubishi Electric's discrete zoned comfort system, then a short-run ducted unit is the right solution. As a stand-alone system or connected to a MXZ multi-room system, the SEZ ducted units provide energy efficiency, quiet operation, and a compact design for quick, easy installation hidden either in the ceiling or beneath the floor. All of the 1:1 systems are ENERGY STAR certified, and two systems qualify for the federal tax credit. These systems provide customers with an environmentally friendly indoor unit with a similar installation and familiar style. These SEZ indoor units also connect to MXZ multi-zone systems, providing a wide array of installation options to best fit any application.