Trane 5TAMXB06AV41D 48,000 BTU 4 Ton Variable Speed Multi-Position Air Handler (For +18 SEER2 Matchups)Trane 5TAMXC06AV41D 48,000 BTU 4 Ton Hyperion Variable Speed Communicating Air Handler Deliver advanced indoor comfort and system efficiency with the Trane 5TAMXC06AV41DB, a 4 ton Hyperion variable speed communicating air handler engineered for high capacity residential and light commercial HVAC systems. As part of Tranes Hyperion TAMX platform, this indoor air handler integrates Trane Link communication technology, a Vortica variable speed ECM blower