Experience powerful, year-round comfort with the Pioneer Quantum Ultra 18,000 BTU High-Wall Ductless Mini-Split Heat Pump. With 23 SEER2 cooling and 10 HSPF2 heating, this ultra-efficient system is ideal for spaces from 500 to 750 sq. ft. It delivers quiet, reliable performance in extreme conditions, operating from -13°F in heating to 131°F in cooling. The high-wall indoor unit features motorized dual-axis airflow, dual-drainage ports, and washable, reusable filters for long-term convenience. Control is effortless with built-in Wi-Fi via the Pioneer Airlink app or voice assistant, and the included remote offers access to Heating, Cooling, Dry, and Ventilation modes, plus ECO, SLEEP, TURBO, iFEEL, Self-Clean, Timer, and MEMORY functions. Pre-charged with eco-friendly R454b refrigerant, this full set includes the indoor and outdoor units, wireless remote with wall holder and batteries, customizable copper lines and electrical wire, 10 ft. drain hose, wall sleeve, sealing putty, leak guard, wrapping tape, installation manual, and user guide. The Quantum Ultra is designed to simplify installation and deliver ultimate control, energy savings, and all-season comfort.