This versatile thru-the-wall air conditioner goes with the flow of the weather, so you stay comfortable in any season. With a 12,000 BTU capacity, this Perfect Aire unit is engineered with an electric heater to warm or cool spaces up to 550 square feet. Find your comfort zone with adjustable temperature settings, full-range air direction control and three fan speeds. Heading to the kitchen to prep dinner Keep the temperature right where you want it from afar with a handy remote that acts as a portable thermostat for total room coverage. cools/heats areas between 450-550 sq. ft. 3-speeds in both cool and fan mode; 1 speed in heat mode. Full-range air direction control. 208/230 Voltage.