Welcome to Keystone where comfort, simplicity, and affordability meet to create the perfect air conditioning units to keep you cool on the hottest days. Our 12,000 BTU air conditioner wall unit can effectively cool rooms up to 550 square feet with dehumidification up to 2.5 pints per hour to remove moisture from the air. This is perfect for medium-sized living spaces like apartments, living rooms, and much more. With easy installation through-the-wall, you don't have to worry about any fuss or hassle. Here at Keystone, we understand that comfort is key, which is why our wall mounted ac unit features a unique remote with a thermostat built in to sense the temperature of where you are in the room and adjust as needed automatically. Let our ac wall unit take care of the hard work while you sit back and relax, saving money all the while with energy saver mode, sleep mode, and a programmable 24-hour timer. We make maintenance a breeze with the Check Filter alert. And don't worry, our wall air conditioner comes with a 1-year warranty. Whether you're looking for a cool night's sleep or a comfortable living space to unwind in, Keystone has got you covered.

• 12,000 BTU air conditioner for 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)
• Cools a room up to 550 sq. ft. with 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
• Adjustable 4-way air flow direction allows you to easily control the direction of the cool air
• 3 cooling speeds, 3 fan speeds, plus Auto Cool for cooling flexibility
• Programmable 24-hour on/off timer cools on your schedule
• Energy-saver mode conserves energy and saves you money
• Sleep mode gradually increases room temperature after being activated
• Easy-clean mesh filter with Check Filter alert on the unit
• 6.5 ft. power cord with NEMA 6-15P grounding plug makes extension cords unnecessary
• U.L. safety listing