Keystone Energy Star 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat, Quiet High Efficiency Window AC Unit with Remote for Apartment, Medium-Large Rooms up to 550-Sq.Ft.

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 12,000 BTU inverter window-mounted air conditioner can effectively cool rooms up to 550 square feet with dehumidification up to 1.73 pints per hour to remove moisture from the air. Perfect for medium-sized living spaces like apartments, bedrooms, living rooms, and much more. The supplemental heating mode is meant to be operated when temperatures outside are between 41 and 75 degrees. This mode is supplemental and NOT meant as a primary heat source. It features special Inverter technology to eliminate wasted operation in the air conditioner by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature. In addition, the inverter technology also makes this unit 18% more energy efficient than standard window units. A remote is included so you can control your cooling from across the room. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone provides a dependable 1-year warranty.

• Cooling and Supplemental Heating Power: This air conditioner has 12,000 BTUs of cooling power, 10,000 BTUs of supplemental heating power, and dehumidifies the air up to 1.73 pints per hour in rooms up to 550 square feet; Supplemental Heating mode is meant to be operated when temperatures outside are between 41 and 75 degrees; Mode is supplemental and NOT meant as primary heat source
• Inverter Technology: Eliminates wasted operation in the AC by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature
• Quieter Operation: The inverter technology not only makes the unit more energy efficient, but allows it to operate 22% quieter on low and 5% quieter on high than regular window units
• Easy to Install: This AC fits in windows 14.5-in. tall with a minimum of 24-in. wide and maximum 38.5-in. wide
• Washable Filter: A clean filter alert conveniently notifies you to clean the unit's washable filter to ensure it keeps running efficiently