With reliable, window-mounted air conditioning, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 10,000 BTU window-mounted air conditioner can effectively cool rooms up to 450 square feet with dehumidification up to 2.3 pints per hour to remove moisture from the air. Perfect for small to medium sized living spaces like apartments, dorm rooms, sheds, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of where you are in the room and adjusts as needed automatically. 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 not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price.