Quickly cool a room on hot days. Electronic controls allow you to set the comfort level to your preference, while a convenient temperature readout displays the set temperature. Energy star certified: energy star qualified air conditioners use less energy than standard air conditioners reducing your energy usage, and ultimately lowering your utility bills. Effortless temperature control: air conditioners maintain the preset room temperature, so you will remain comfortable at all times. Programmable 24-hour on/off timer: with the 24-hour on/off timer, you can ensure your home will be cool and comfortable when you want it to be without having to worry about running up your utility bills. The built in timer allows you to preset the unit to turn on and off in half hour increments. Effortless clean filter: an antibacterial filter reduces bacteria, room odors and other airborne particles for a healthier, more comfortable environment. Sleep mode: with sleep mode, the temperature gradually increases a few degrees over the evening, saving energy and creating a comfortable environment during the evening hours.