This setting lets your Ecobee run the humidifier during heat, cool, or with the fan only. 12
In my original review of my very first Ecobee Smart Thermostat, I described how I had wired my Ecobee’s equipment interface to my whole-house evaporative humidifier at the Utah house. Because my furnace’s control board had a 24V HUM connector, I used that connector to help activate the humidifier. The […]

How to Wire a Humidifier to an Ecobee Smart Thermostat