Preventative maintenence inspection on Trane high efficiency furnace running in good condition. Clean Effects pre filter cleaning. Clean flame sensor and check ignitor ohms. Visual inspection of burners. Flush condensation trap and drain lines Humidifier pad is in dirty condition and could cause a leak. Edmsaid they will get a new humidifier pad themselves. Test ran furnace in heating mode from thermostat. Temperature rise is within specs. Blower and inducer motors tested good. Pvc flue vents in good condition and no sign of leaks. 0PPM CO detected during testing. Humidifier tested during heating mode test. No issues found or suspected with equipment at this time. System is operating properly, efficiently and ready for Winter.