Trane 5TEM6D04AV31S 36,000 BTU 3 Ton Variable Speed Multi-Position Air HandlerTrane 5TEM6D04AV31S 36,000 BTU 3 Ton R 454B Convertible Variable Speed Air Handler Deliver dependable indoor comfort and efficient airflow performance with the Trane 5TEM6D04AV31S, a 3 ton convertible variable speed air handler engineered for modern residential HVAC systems. As part of Tranes 5TEM6 series platform, this air handler integrates a variable speed ECM blower motor, all aluminum plate fin indoor coil, and insulated metal cabinet