Key Features of Basic Hidden Air Conditioners Inverter Technology: Significantly saves on electricity consumption and ensures quiet operation and stable temperatures. Smart Control (Wi-Fi): Most modern models allow you to control the air conditioner and adjust temperatures remotely via your smartphone. Operating System: Comes with a hot and cold system to suit all seasons of the year. Additional Features: Equipped with a built-in pump for draining condensate, high-efficiency filters for air purification, and a fresh air intake. Available in all sizes too