The latest Nest Learning Thermostat doesn't need a C-wire, it's incredibly pretty and it comes with a room sensor. It's also $280. Jon covers artificial intelligence. He previously led CNET's home ...

These devices wirelessly signal C-wire information between the thermostat and the remote air handler. Generally, though, for fixing a broken C-wire or for upgrading, it’s best to have an HVAC ...

Most nonconnected programmable thermostats will work with as few as two low-voltage wires (common in older heating systems), but newer thermostats often require a common wire, a C-wire.

C-wire requirement: Smart thermostats need power! This power comes from something called a common wire, or C-wire. The C-wire provides AC current from the furnace in your home to your thermostat.

The thermostat comes with an instructional guide to help install the device, though if you need a C-Wire added to your home, you’ll need an HVAC technician. Key Specs. Dimensions: ...

Product Features. The C-Wire Adapter takes the wires from the thermostat and provides a bridge to the equipment so there is no need to run new wires to power the thermostat.

Thankfully, there are a handful of great smart thermostats that don’t require a C-wire. Here’s a closer look at four smart thermostats you should consider. Google Nest Thermostat E ...