Performed The Heat Tune Up On The Dual Fuel System. Cycled Emergency Heat On, Checked Operation, Gas Pressure, Temperature Rise, Amp. Draws, Safeties, Motor, Heat Exchanger. Inspect Visible Ductwork & Vent System. Cleaned Burners, Sensor, Inducer Port & Wiped Down Equipment. Checked Heat Pump Operation, Outdoor Electrical, Controls, Motors, Freon Charge, Defrost Cycle, Amp. Draws & Inspect Coil.