CoolTime ductless HVAC system contains superior ability to condition environment in all types of weather. Eco-friendly refrigerant 410 A. Extreme energy efficiency because of ductless system up to 23 SEER. Dehumidifying system with Anti-fungal function. Follow Me function to detect thermal signature and direct airflow right where you are. Washable anti-microbial filters to provide purified air quality. Matchless sleek design that is easy to install and has low maintenance cost.