TMWINGS 18,000 BTU Mini Split Air Conditioner & Heater - a powerful, energy-efficient, and eco-friendly solution designed to deliver year-round comfort for your home or office. With a robust cooling capacity of 18,000 BTU and a heating capacity of 18,500 BTU powered by a durable 1.5-ton heat pump, it effectively covers spaces up to 1,050 sq. ft. and operates reliably in extreme temperatures ranging from 14°F to 122°F. Equipped with innovative inverter technology, the unit intelligently adjusts compressor speed to maintain consistent temperatures, minimize energy consumptio. The 4-in-1 design includes cooling, heating, dehumidifying, and fan modes, along with convenient features like a turbo mode for rapid temperature control, sleep mode for restful nights, a 24-hour timer, and an adjustable temperature range of 60°F to 90°F. Enjoy powerful airflow 4D circulation for efficient climate control. The built-in self-cleaning function operates at 135°F through a comprehensive process of condensation, frosting, melting, sterilization, washing, and ventilation, reducing the need for manual cleaning and promoting healthier indoor air quality; plus, the washable and removable filters add to easy maintenance.