The Multi-21 Dual-Zone 31,000 BTU Wi-Fi Ductless Mini-Split Air Conditioning System has one 18,000 BUT Indoor Head and one 9,000 BTU Indoor Head that can heat or cool 2 zones up to 1,550 sq. ft. (combined) without distribution boxes. Powered by GREE's energy-efficient G10 inverter and a variable-speed compressor these units save energy, reduce indoor/outdoor noise and keep room temperature steady by eliminating the harsh starts and stops of conventional systems. Every GREE Wi-Fi enabled wall-mount indoor unit is energy-efficient, yet powerful enough to keep you comfortable year-round. GREE's whisper-quiet fan technology means you can heat or cool with a range of fan speeds to choose from and adjust louvers to control air flow. Units come with Wi-Fi adapters for GREE's free iOS and android apps so you can control the units wherever you may be. The infrared remote controls feature I-Feel automatic temperature sensors so you can customize comfort levels within each room. The outdoor unit has acrylic resin anti-corrosion coil protection to promote energy efficiency and prevent coil corrosion in corrosive environments. All parts are warranted for a period of 5 years to the original registered end-user with proof of proper installation. The compressor is warranted for a period of 5 years to the original registered end-user with proof of proper installation. 25 ft. universal piping assembly/line-set and complete install kits are provided for installation. Color: White.