reply to tberg
Honeywell VisionPro IAQ thermostat. It will handle 2 stage Heat Pump plus aux heat, humidity control, makeup air control, and will handle the changeover from HP to aux heat. One stat does it all.
nuther vote on the Honeywell.. i have a vision 8000pro, love it.--if it aint broke, tweak it!!currently on FiOS (kick aZZ!)