The Keystone 12,000 BTU 230V through-the-wall air conditioner with 10,600 BTU Supplemental Heat Capability is perfect for rooms up to 550 square feet. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you with an additional heat source to your main heat source when outdoor temperatures are above 23 degrees Fahrenheit. It has electronic controls with LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from across the room. Money saving features include energy saver mode, sleep mode and a programmable 24-hour timer. This unit is designed for through-the-wall installation and is not designed for standard window installation (WALL SLEEVE SOLD SEPARATELY). This unit also requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet.

Through-the-wall installation (Not suitable for window installation)
Standard, universal interior trim kit for existing wall sleeve included (New wall sleeve sold separately: KSTSLV1)
Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet)
12,000 BTU cooling capacity / 10,600 BTU supplemental heating capacity
Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 23°F
Designed for a room up to 550 sq. ft.
Dehumidification up to 2.5 pints per hour
Electronic controls with LED display allows you to easily select options with the touch of a button
Temperature sensing LCD remote control allows you control the temperature from across the room
Auto-restart saves your settings for when power is restored to the unit