Smart Wifi Thermostat No C Wire

All the ecobee thermostats use a power extender kit or pek as an alternative.

Smart wifi thermostat no c wire. But you do have a gas oil or propane conventional forced air system and a wire labeled g. The nest learning 2 nd generation also claims to be able to work without a c wire as it borrows the power from the d and g wire. C wire the whole focus of the video is on how these thermostats are powered and none of them need a c wire although all of them can be powered by a c wire. If you have a low voltage system with too few wires and you don t want to or can t run new wires then check out the luxgeo.

Choose a thermostat that doesn t require a c wire or an adapter. Both are compatible with the amazon echo making them a great addition to a whole smart home system. C wire adapter 24 volt transformer for ring doorbell nest honeywell emerson sensi smart wifi thermostat ecobee nest hello skybell thermostat ul certificated 26ft 8m 4 3 out of 5 stars 326 9 99 9. Many of its users report it works in their hvac system when nothing else does.

C wires are required on most honeywell wi fi thermostats with the exception of the smart round thermostat formerly known as the lyric round. Get a smart thermostat that s designed to work with systems lacking a c wire like the ecobee3 it has an adapter for c wireless systems or the emerson sensi in most systems it doesn t need a c wire at all this inexpensive adapter by venstarcan add the wire you lack. Older thermostats didn t need it. Some users have commented that the wi fi has a tendency to drop out from time to time.

Two of the most popular smart thermostats that work without a c wire are the ecobee3 and the emerson sensi. A common wire c wire provides wi fi thermostats continuous power by connecting it to a heating and cooling system e g. The sensi wi fi smart programmable thermostat 1f86u 42wf works very well without a c wire. There is quite a range of power alternatives that the thermostats use.

Let s look at how these two wifi thermostats stack up. The video below will help you install your thermostat if you do not have a c wire.