Kenmore Home Comfort System for All Seasons The fan's evaporative cooling reduces room temperature up to 10 degrees 3-speed bladeless evaportive cooler fan has 3 modes for custom comfort Removable water tank drawer contains 2 reusable ice packs that you can freeze and place in tank for additional cooling Ceramic heater provides 800 to 1200 watts of power to quickly warm a large-sized room, up to 600 sq. ft. The humidifier provides up to 6 gallons of moisture during its 24-hour run time, and its 1.5 gallon capacity means fewer refills