The Frigidaire 12,000 BTU through-the-wall air conditioner allows you to enjoy optimum circulation and cooling with directional airflow and three different fan speeds. Designed for rooms up to 550 square feet, this air conditioner wall unit is perfect for apartments, offices, or any medium sized space. Use the 24-hour programmable timer to preset the unit to turn on and off in half hour increments, or whenever you want, so that you can maintain optimal comfort while at home. Enjoy maximum comfort and quiet operation throughout the evening hours with sleep mode, where the temperature gradually increases a few degrees over the course of the evening. Our easy-to-clean washable dust filter captures dust from the air and helps keep your air conditioner working efficiently, and you'll know when it's time to clean with the Clean Filter Alert. Precisely control the temperature and fan speed from across the room and remain comfortable at all times with a thermostat located on your air conditioner's remote control, which precisely maintains the preset room temperature. These convenient features combine to give you a dependable air conditioner that will keep your home cool and comfortable for many seasons.