8000 BTU - ENERGY STAR - 10.7 EER - Wall Master Series Room Air Conditioner, 115-volt Energy star commercial grade thru-the-wall room ac; 10.4 EER; installs through walls up to 15 5/16" deep; conditions rooms up to approx. 300 sq. Ft Fits Fedders a and Fedders b sleeves with baffle adapter kit 24-Hour timer lets you program on & off times Smart fan auto adjusts fan speed to maintain desired temperature Money saver saves money by operating the fan only when cooling