The new unit comes with an even more complicated thermostat. Theoretically, it could also control the humidifier, but the wiring bundle didn't have enough lines to support that function; so we'll have to make the arduous trek down the hallway and open the utility closet door all three or four times a year when it needs to be significantly adjusted.
It took a bit longer than expected, and <lj user=starmalachite> wasn't up to going out tonight, so we skipped our usual Three Left Feet meeting.