Cools up to 1000 square feet. Fits window 26. 5" minimum to 40. 5" maximum with window side panels attached to side of cabinet. Rotary thermostat control. 18000 BTU/hour 115V 60 Hz 8. 3A 3 prong plug Cools up to 1000 square feet Rotary thermostat control 11 EER Window installation kit 2 speed cool/fan Uses eco friendly R410A refrigerant (not included) Dimensions : 23. 62"(W) x 17. 91" (H) x 25. 39" (D).