Ideal-Air Pro series 36,000 BTU 16 Seer Heating & Cooling Mini Split to include 1 indoor unit and 1 outdoor unit, these are high efficiency performance at 16 SEER. They have inverter compressor technology offering 30% - 50% energy savings. The indoor evaporator unit can be easily installed with included wall mount bracket. Includes LCD screen hand held programmable remote controller. Auto restart after power failure. Requires certified HVAC-professional installation. Requires field supplied electrical and communication wiring. A copper refrigerant lines sold separately. The line set diameters 3/8 inch and 5/8 inch, 208/230V, 1 phase, 35 Amps, 3835 watts, Outdoor Ambient operating range: (Cooling = 5 to 122F), (Heating = 5 to 86F).