𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐌𝐮𝐥𝐭𝐢-𝐙𝐨𝐧𝐞 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐚𝐧𝐝 𝐇𝐞𝐚𝐭𝐢𝐧𝐠: The system offers high energy efficiency with high energy efficiency with 21.10 SEER2, 9.50 HSPF2, 11 EER2, and 1.8 COP. Total cooling capacity range: 48,000 BTU (11,600 BTU Min – 49,700 BTU Max). Total heating capacity range: 48,000 BTU (33,000 BTU Min – 52,900 BTU Max). Power supply: 60 Hz, 208 - 230 V. 7-year manufacturer warranty. AHRI certified #209862196. 𝐖𝐡𝐚𝐭'𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝: KMIR545-H219-2 Smart DC Inverter Outdoor Condenser pre-charged with R410A Refrigerant, KSIE012-H220-IW-2 Indoor Fan Coil (12,000 BTU each) with Remote Controls (Qty.3), KSIE018-H220-IW-2 Indoor Fan Coil (18,000 BTU) with Remote Control, Wi-Fi KPIMDWF Modules (Qty.4), 25ft ¼ x 1/2 Maxwell Pre-Flared Refrigerant Line Installation Kit (Qty.4), Maxwell Flexible Electrical Whip, 60A Maxwell Fusible Disconnect Switch, and Maxwell Wall Mounting Bracket. 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐚𝐧𝐝 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: The KSIE systems offer 4-in-1 features including heating, cooling, dehumidifying, and fan modes, ensuring year-round comfort. Enjoy precise temperature control with the Follow Me function and turbo mode for rapid heating or cooling. A multi-speed fan allows for adjustable airflow. The included Wi-Fi KPIMDWF modules provide effortless smartphone control and customizable settings. These units feature Refrigerant Leak Detection monitoring (RLD) for protection and reliability, and are built with an outdoor metal grill with Anti-corrosive Golden Fin technology for extended efficiency and durability, all-backed by a 7-year warranty. 𝐀𝐥𝐥-𝐒𝐞𝐚𝐬𝐨𝐧 𝐂𝐨𝐦𝐟𝐨𝐫𝐭: This system operates effectively within a wide ambient temperature range, delivering efficient cooling from 5°F to 122°F and reliable heating from -13°F to 75°F. It is well-suited for diverse climates and surroundings, offering ultra-quiet performance that ensures a peaceful environment. Ideal for room additions, renovations, family rooms, sunrooms, wine cellars, and garages/workshops, it meets varied cooling and heating needs seamlessly. 𝐒𝐲𝐬𝐭𝐞𝐦 𝐃𝐢𝐦𝐞𝐧𝐬𝐢𝐨𝐧𝐬 (𝐖𝐃𝐇):Outdoor Unit KMIR545-H219-2: 37.48 x 16.34 x 52.48 inches, Net Weight: 225.53 lb. Indoor Unit KSIE012-H220-IW-2: 31.57 x 7.44 x 11.69 inches, Net Weight: 18.1 lb. Indoor Unit KSIE018-H220-IW-2: 42.52 x 8.90 x 13.19 inches, Net Weight: 29.5 lb.