This Garrison through-the-wall air conditioner uses R-410A refrigerant to cool rooms measuring 450 to 550 sq. ft. It also includes a remote control for more convenient cooling.^^Features | Galvanized cabinet | Self evaporative system | Electric control panel with digital display | Follow Me temperature sensor on the remote control adjusts room temperature more accurately | Sleep mode | 24 hour timer | 3 fan speed settings | Auto restart^^Specifications | Cooling Capacity (BTU): 12,000 | EER: 10.5 | Voltage: 115V | Height: 14-1/2 IN | Width: 24-1/4 IN | Depth: 20-3/8 IN | Weight: 75.9 Lbs. | NEMA Plug Configuration: 5-15P^^Eco-Friendly^Using this air conditioner is better for the environment. It meets DOE, UL, CEC, and ENERGY STAR® certification standards.^^Warranty Information^Included with this air conditioner are 2 limited warranties. There is a 1-year limited warranty on the entire unit and a 5-year limited warranty on the unit’s sealed system.