Offset the high temperatures outside with a comfortable indoor environment made possible with this 8,000 BTU SACC/CEC (12,500 BTU ASHRAE) Portable Air Conditioner. This Portable Air Conditioner was engineered to rapidly cool and dehumidify home or office spaces up to 350 sq. ft. in size. Seamlessly toggle airflow and fan speed settings to your liking with this unit's simple LED controls. Easily move it to another room and install quickly with its rolling castors, handles located at its sides, and included hose and window adaptor. Those humid, sweltering summer months are a breeze with this air conditioner, which packs the cooling power to keep a camper, garage, bedroom, cabin, living room, or dorm cozy and comfy. It was made for double hung and sliding windows only and will not work with crank windows. Get the safest, quietest, lowest vibration possible by making sure the floor the unit is placed on is level, smooth, and firm enough to support the unit. Keep all doors and windows closed for best cooling and air circulation in your space. Simply connect the duct to ensure that it functions properly and allow 3 minutes after microprocessor control settings have been changed for the compressor to begin operating.