The 4TXC cased coil is a versatile model designed to handle upflow, downflow, and horizontal left and right airflow in units ranging from 1.5 to 5 tons. Trane's all-aluminum coils are engineered to seamlessly integrate with your outdoor condensing unit or furnace. They are precisely matched in size, efficiency, and capacity to ensure your home comfort system performs optimally. Serving as a heat exchanger, the coil collaborates with your heating system in winter and your cooling system in summer. It features an advanced fin design, enhancing heat transfer for improved efficiency.