(Basement furnace)(gas furnace/straight ac) The evaporator coil is clean. The blower amps are 4.8 in correct range per manufacturer specifications. The inducer motor amps are .36 in correct range per manufacturer specifications. I cleared all hoses. The flues are clear. The pressure switches are working properly at this time. I cleaned the flame sensor. The igniter is in good condition. The gas valve is working properly at this time. (LP) 10. The burners and heat exchanger are in good condition. The 16x25x1 filter is ready to be replaced. All wiring is tight and in good condition. The system is working properly at this time. The customer declined recommendations at this time.