Tech arrived In Chestermere at Bess’s home to perform planned service and inspect her humidifier which she said wasn’t working Error codes e3, e8, eh Eh-not set unit E3- cylinder almost depleted E8-cylinder lifetime expired Cylinder for steam humidifier was replaced Tech reset humidifier hour counter and error codes Humidifier is now working Duct wipe came back very clean Furnace Unit was installed 11 months ago Furnace in very good condition, no issues found Filter is in ok condition