18,000 BTU ACiQ Energy Star Multi Zone Condenser

The 18,000 BTU, ES-18Z-M2B is designed to easily support up to 2 air handlers at up to 1.25 times the condenser BTU rating, or 22,500 BTU across all air handlers. This adaptive, inverter condenser is constantly self-adjusting to provide the precise amount of heating or cooling needed to maintain your desired temperature in each room or zone. You can set different temperatures room by room, even turn off heating and cooling in unused areas. This, combined with a high efficiency rating of 22.9 SEER2, means you are buying a system designed to intelligently save you money both up front and over the lifetime of the unit.