18000 BTU Single Zone Mini-Split Air Conditioner Heat Pump, 20.5 SEER2, 18UXEO/WXI, It delivers high-efficiency cooling and heating for single-zone applications. Backed by a 10-Year Manufacturer Warranty, this unit offers: 20.5 SEER2, 9.5 HSPF2 – Energy Star Certified with DC Inverter Technology, Heating capacity down to -22°F for extreme cold climates, Wi-Fi Enabled for mobile control via app, Quiet Operation with 4-Way Airflow and Self-Cleaning functions, Anti-Corrosion Heat Exchanger with a base pan heater, Ideal for precision comfort, this system combines advanced energy efficiency with smart technology. This product is suit for 1 rooms: 1 room 301 -500sqft This is NOT a DIY mini split ac. Cooling Capacity: 18,000 BTU/h Heating Capacity: 18,000 BTU/h Energy Efficiency: 20.5 SEER2, 13 EER Power Supply: 208-230V, 60Hz, single-phase Operating Temperature Range: Heating function operational down to -22°F (-30°C) Smart Features: Wi-Fi enabled for mobile control via app Indoor Dimensions (WxDxH) (in.) 44 1/2 x12 13/16x9 5/8 Outdoor Dimensions (WxDxH) (in.) 33 7/8x25 9/16x12 3/16Note: Professional installation is required.