The Pioneer Quantum Ultra 36,000 BTU 4-Way Ceiling Cassette Ductless Mini-Split Air Conditioner and Heat Pump is a high-capacity, energy-efficient system designed for large spaces between 1,000-1,400 sq. ft., delivering powerful year-round comfort with advanced DC inverter technology and a 20 SEER2 / 9.6 EER2 rating. It provides 36,000 BTU cooling and 38,000 BTU heating capacity while operating on 208/230V power and using eco-friendly R454b refrigerant for reliable performance and reduced environmental impact. Its ceiling recessed cassette design features multi-directional airflow for even air distribution across large areas, while maintaining quiet operation for commercial and residential environments. Built for extreme conditions, it operates in temperatures as low as -13°F for heating and up to 131°F for cooling and includes multiple modes such as cooling, heating, dry, and ventilation. The system features a convenient remote control with ECO, SLEEP, TURBO, TIMER, FOLLOW ME, and MEMORY functions, along with a self-clean cycle, washable reusable filters, and dual drainage ports for easy maintenance. It comes as a complete indoor and outdoor unit set with factory pre-charged refrigerant for simplified installation and dependable long-term performance, combining power, efficiency, and modern design into one reliable climate control solution.