This is the device that will give you the information on what the equipment is doing, when it needs to be serviced, and allows you to set the exact temperature and humidity you want to maintain in your home.
If you wish to control your Humidity by either dehumidifying the room are by adding humidity (which we highly encourage) you will need to select the T-1900 thermostat this thermostats allows you to set the humidity you desire and then have the air-conditioning & heating equipment operate to maintain that humidity.
