4‑Zone Multi‑Room Comfort - Includes one 35,000 BTU outdoor condenser and four indoor air handlers (1×9,000 BTU + 3×12,000 BTU), each with its own controller. Perfect for multiple rooms or floors, this ductless mini split system lets each zone enjoy customized temperature control for precise whole‑home comfort. Energy‑Efficient 19 SEER2 Inverter Technology - High‑efficiency inverter compressor (19 SEER2) delivers powerful cooling and heating while saving up to 30% energy compared to conventional systems. ETL and AHRI certified for performance and reliability. Features auto‑defrost, self‑diagnosis/cleaning, iFEEL mode, 24‑hour timer, 4‑way air swing, sleep mode, and ultra‑quiet operation. Cooling, Heating, Dehumidifying & More - All‑in‑one ductless system provides air conditioning, high‑performance heat pump, dehumidifier, fan‑only mode, and turbo function for rapid cooling or heating. Enjoy year‑round comfort and efficient humidity control, whether you’re battling summer heat or . WiFi, App & Voice Control (Alexa/ Assistant) - Control your mini split anywhere via mobile app, remote controls, or voice commands (compatible with Alexa and Assistant). Schedule temperature changes, set timers, and adjust modes on the go so your rooms are comfortable the moment you walk in. All‑Weather Operation & Installation Notes - Designed for harsh climates: operates from -13°F (-25°C) up to 131°F (55°C) with stable performance and “anti‑dead wind” airflow design. Maximum airflow distance up to 50 ft for 4D air circulation. System ships in 5 separate boxes and arrives pre‑charged (no copper line set included). Professional installation by a licensed HVAC technician is strongly recommended; extra power cord is required. For 9k–18k units: gas line 3/8", liquid line 1/4".