Click this category if you need a control for a whole house humidifier (Aprilaire, Honeywell, Skuttle, etc). These controls activate your humidifier when it gets too dry in your home.

Click this category for line voltage controls that will turn on dehumidifiers, or fans. This controls will turn on your dehumidifier or fan when it gets too humid in your home, or crawlspace.

Click this category if you are looking for a house thermostat that can also control a whole house humidifier. Some of these can also control your dehumidifier.

Click this category if you want a device that simply displays indoor and/or outdoor relative humidity but doesn't control anything.