This configuration, the Bravo Milano Series 3 Zone 36k (12k+12k+24k), is designed for large open homes. It is a powerful system in our Tri-Zone collection. The 24,000 BTU unit can handle a massive great room or kitchen area. The two 12,000 BTU units are perfect for master bedrooms or guest suites. This system uses the high-efficiency inverter technology found in all our Multi-Zone products. It provides total climate control for an entire floor of a house.