Comfort-Aire by heat controller, for applications in hotels, motels, apartments, nursing homes, office buildings and schools. Front desk control and electronic temperature limiter prevent over-heating and over-cooling. LED display and touchpad buttons. Designed with innovative and universal components, including standard 16 in x 42 in chassis, for installation. 9000 or 12,000 Btu cooling + heat models 220 V. Ready to install kits in include 1 each PTAC unit, power cord for 3 KW heat, uninsulated wall sleeve and exterior grille.