Trane Multi Split HVAC System - 4TXM23 (2 Ton, 2 Indoor Units)Multi zone heat pumps are an affordable and energy efficient way to control the climate of individual rooms. No energy loss due to air leakage in ductwork from heating or cooling the entire duct system before the air reaches desired rooms. No expensive ductwork is required. The multi zone system adjusts to your needs, providing constant comfort and energy savings Specifications Offers up to 23 SEER. Ductless heating and air. Industry leading