Goodman AMVT Series, 3.5 Ton Variable-Speed Air Handler with ECM motor and ComfortBridge™ communicating control. Designed for flexible multi-position installation. Model: AMVT42CP1400BAType: Variable-Speed Communicating Air Handler (ECM Motor) Capacity: 42,000 BTU (3.5 Ton)Motor: Variable-Speed ECM Features: ComfortBridge™ communicating technology Voltage: 208/230V, 1 Phase, 60 Hz Refrigerant: R‑410A Multi-position installation (upflow/downflow/horizontal)