Islandaire: Ceiling Hung Water-Source Heat PumpIslandaire EZ Series HZ is a high-efficiency ceiling hung water-source heat pump with low condenser water consumption. This product is focused on reducing the construction price and operational cost of the air conditioning system. This unit has a 10-inch high cabinet for cooling 7,500, 9,000, and 12,000 Btuh which gives the ability to provide installation in the low profile head rooms.