The Emerson Sensi WiFi ST55 is part of the Thermostats ... Indicates, when using a 2-wire setup, whether or not the thermostat draws power through the wires in order to charge the internal battery ...

PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat ... Common wire (c-wire) is ...

The Emerson Sensi ... whether the thermostat provides some sort of password protection - which limits the ability to change the thermostat's settings. Indicates, when using a 2-wire setup, whether ...

There are a lot of things to like about the Emerson Sensi ... thermostat, not the HVAC system overall. If you have different units for heating and cooling, you’ll require separate thermostats. C ...