The Toshiba Smart WiFi Inverter Ultra Quiet 4-in-1 portable air conditioner has way more cooling power than a traditional unit, with over 20% higher cooling capacity while also adding up more than 40% in energy savings thanks to the unique Hose-in-Hose system for fresh air exchange. On top of all the cooling power you can also use the highly efficient heat pump mode for year-round comfort, or use the unit for dehumidification or to circulate the air when cooling is not needed in spaces up to 550 sq. ft. while removing up to 5 pints of moisture from the air each hour. The ultra quiet inverter system allows the unit to run at only 44 dB(A) which is quieter than your standard refrigerator. Smart functionalities include a smartphone app to control your AC through Wi-Fi from anywhere, at home or through the cloud, or even using you Amazon Alexa or Google Home voice assistant. You can also use the LCD remote control or the integrated electronic control panel and display. The unit also has a compact, light and modern design for quick and easy installation in most vertical or horizontal windows so you can move it around from room to room using the 4 integrated wheels. Intelligent features such as the 24-hour Timer, Sleep Mode and the automatic vent angle for better air distribution help you to personalize your comfort. You can cool, dehumidify or circulate the air in the space you need and get peace of mind with 1-year warranty by Toshiba.