- - Experience versatile cooling with the COOLECH evaporative air cooler. Offering 3 cooling options, it functions as a fan, a humidifier, and an air cooler, providing customizable cooling that suits your preferences. Unlike traditional ACs that exacerbate dryness, this standing air conditioner adds moisture to the air, alleviating dryness and enhancing comfort. Ideal for dry areas like the Southwestern US, where summers can be uncomfortably dry. Equipped with a waterless warning system, the swamp cooler air conditioner will beep to remind you in time when the water level is running low, preventing the risk of damage and ensuring safe operation. Plus, it seamlessly switches to Natural Wind Mode once the water is depleted, ensuring uninterrupted comfort and restful sleep.