Fan On and Auto which one should I use? Air Conditioner Auto Fan
Honeywell T6 Pro Tutorial: Fan Settings AC Fan Settings | On or Auto? | Ambient Edge On means the fan with run non stop. Auto means it'll run when it's suppose to. If the fan is on right now and it's set to “heat” then you either Thermostats have an ON and AUTO button. What do they do? Which one should I use? ...