Completed with ac 1 on a 2015 trane 4 ton , 2009 evaporator coil with 2003 trane gas horizontal in attic. Unit cooling at this time of check up. Found evaporator coil very rusted with some icing spots, blower motor leaking oil and flame sensor with igniter showing wear. Giving the option to do all preventative repairs, furnace and evaporator coil upgrade. Customer not ready to do anything at this time .