The Bravo Milano Series 4 Zone 42k (9k+9k+12k+24k) is a highly customized solution. This is a top-tier option in our Quad-Zone collection. It allows for a massive 24k unit in the living room and smaller units in the bedrooms. Every indoor unit is a Universal Floor Ceiling style for maximum installation options. This system is part of our comprehensive Multi-Zone range. It provides the flexibility needed for large, multi-story family homes.