Performed heating maintenance on two Trane furnaces Left our provided 16x25x1 filters at the furnaces since both systems have good filters Changed #35 water panel for the humidifier Re-wired the humidifier to the nest thermostat. Humidity set point is now available through the nest app Recommend 35% Humidity unless the windows start sweating in cold weather, then reduce the humidity set point and give it 24hrs to balance out. Tested the humidifier Water line was clogged, was able to clear it out and get humidifier operational Humidifier bypass damper is open for winter. It will need closed next cooling season. https://youtu.be/j8HFhIxYN1c?feature=shared Go to 1:50 in the video for the damper explanation Your humidifier is on the back side of the furnace. Cleaned condensate traps on both furnaces Cleaned flame sensors on both furnaces Pulled and cleaned burners on the main furnace Both blowers are clean No water leaks present at this time Furnaces are both operating normally at th