Performed customer hvac inspection for both heat and cool for unit Checked over 10 years old gas package unit Checked all operations of system, customer advised me that main control board was replaced not to long ago found no issues. Checked system in ac mode, refrigerant pressures were good, condenser coils were dirty, blower wheel was dirty, capacitor was testing bad and contactor very pitted. Evaporator coil was clean. Customer changed (14x14x1) system filters. Checked heat side of system, cleaned flame sensor, started heat and everything started properly. Performed combustion analyzer tested and found no issues with the heat exchanger. Recommended cleaning condenser coils, blower wheel and replacing contactor and capacitor. Customer approved to have everything done today, made all repairs for system and started back up and everything back on and working properly.