A Tanis Preheat System for fixed wing and rotorcraft will increase reliability and safety of operations, reduce torque oscillation, thermal stress, spool up and launch times. The system provides preheating to the engine, engine oil, reduction gearboxes and attached accessories, critical driveline components, main and tail rotor gearboxes, fluids, hydraulic modules and battery which will reduce maintenance costs and fuel consumption. Tanis operates a FAA PMA approved manufacturing facility.