The wiring diagram that you ll get from the nest app will tell you to connect the c wire to your nest thermostat.
Smart thermostat no c wire required.
Thermostat c wire is that extra cable providing extra power to the smart thermostat.
The c wire common wire is the wire that provides continuous power to your thermostat.
One for heat nest that i installed because it had the c and one for a c.
If your current thermostat doesn t have a wire in the c terminal.
Best smart thermostats that don t require a c wire android central 2020.
I am interested in installing a smart thermostat but lack the c wire at the thermostat.
If you don t have a c wire and your heart is set on having a smart thermostat in your home your have a bunch of options which can be mostly be boiled down to get a c wire or get a smart thermostat that doesn t require a c wire.
If your current thermostat has a wire in the c terminal.
This wire also known as a common wire.
Thermostats like the honeywell wi fi smart the honeywell wi fi smart with voice control and the ecobee3 enlist help from the c wire a fifth extra wire that provides the negative charge needed to.
The ecobee has a pek kit that you can install at the boiler to effectively create a c wire there.
Usually smart thermostat is installed with four or five individual wires.
The nest app won t tell you to connect one do not connect a c wire to your nest thermostat unless the nest app tells you to.
A c wire also called a common wire this is an electrical wire inside the wall that supplies continuous power to your thermostat.
Are you preparing to install a smart thermostat and only have two wires a red and a white and no c wire or common wire then this article is the easy answer to the problem that no one seems to be talking about.
Red r power wire for your heating and cooling.
Yes i have a 24v low voltage system but no c wire.
Each of these wires has a name featuring a single letter listed below.
Although there are some options available if you do not have a c wire see below having one opens up a.
The c wire short for common wire is the wire that actually provides the power to operate your thermostat.
When browsing through smart thermostats you will often come across the statement that a c wire is needed.
When my wife and i recently purchased the four ecobee smart thermostats that now reside in four zones of our 2700 square foot house we had no idea that there was one potentially.
Older thermostats didn t need it.
I have 2 thermostats.