This 10,000 BTU window air conditioner by Danby is perfect for living spaces up to 450 sq. ft. In addition to being cool and comfortable, the Ionizer function helps filter allergens and remove unwanted bacteria and odors from the living space. This air conditioner is Energy Star rated and with a 24-hour programmable timer, sleep mode and energy saver switch, this unit reduces overall operating costs and saves on your monthly hydro bills. To help maximize cooling, this unit comes with 4-way air direction and a follow me feature where the remote control has a built-in thermostat that allows for more precise cooling.