Enjoy all-season comfort with this 4 Zone 35000 BTU mini split air conditioner. This quad-zone energy efficient inverter split AC is ENERGY STAR certified and uses R454B refrigerant, supporting strong heating and cooling with lower energy waste. Built for demanding climates, the outdoor unit with chassis electrical heating cools even at 131℉, and heats even at -13℉. It supports smart control via built-in WiFi, enabling operation through the app, included remote, or voice commands using Alexa and Google Assistant. You can choose from 7 modes and 8 fan speeds to suit changing seasons and comfort preferences. The 24-hour timer, 4D airflow, quiet operation and self-clean function enhance daily convenience.