Keep your room cool and comfortable all year round with this GE mechanical room air conditioner. The 5000 BTU output provides optimal cooling in spaces measuring 100 to 150 square feet, making this window-type unit ideal for guest bedrooms, dorm rooms, utility rooms and small office units. With a 10-point mechanical thermostat, this GE room air conditioner lets you easily select from 10 temperature settings, ranging from low cool to high cool. There’s also a fan-only mode with two fan speed settings to maintain a pleasant atmosphere in your room. This 115V GE mechanical room air conditioner uses R-410A non-ozone-depleting refrigerant for environmental safety and has an 11.1 CEER for energy efficiency. The fixed chassis structure and included EZ Mount window installation kit ensure a precise fit in window openings 12.5 inches high and 23 inches to 38 inches wide. Efficient Operation With adjustable cooling and fan settings and a mechanical thermostat, this GE mechanical room air conditioner offers ease of use and flexibility with thermal comfort. Operate this unit on fan mode only or turn it off during colder seasons for lowered energy consumption. Automatic Restart For continued operation after a power outage, this GE mechanical air conditioner automatically restarts at the last settings used. A protective time delay of approximately 3 minutes helps prevent thermal overload on the compressor. Does this unit have a power save option? This GE mechanical room air conditioner does not have a power-save option but does have a thermostat that automatically pauses the unit when the required temperature is reached. Does this unit automatically restart after a power outage? In case of a power outage, this GE mechanical air conditioner automatically resumes operation after electricity is restored for convenience.