A thermal management system includes: a turbine assembly including an inlet housing, a compressor in fluid communication with the inlet housing, a power turbine in fluid communication with the compressor, and an exhaust assembly in fluid communication with the power turbine; and at least one heat pipe having a first portion disposed in thermal communication with the inlet housing and a second portion disposed in thermal communication with the exhaust assembly, the at least one heat pipe configured to transfer thermal energy from the exhaust assembly to at least one of input gas entering the inlet housing and at least one component of the inlet housing.