2012 trane XV 95 high efficiency gas furnace heating tune up maintenance inspection cleaning and safety inspection. Shop vac all equipment including trane clean effects electrical field generator water flush pre-filter and collector cells, water flush drain system in furnace, inspect and test run Trane brand #10 bypass manual humidifier. Turn on water flow at saddle valve, run test multi-stage heat mode at 116°, resurface flame sensor. Inspect thermostat, clean excessive corrosion as much as possible and install two new AA batteries Equipment is clean safe and ready for winter. Humidifier is on and set to 45%