Unlock to see our ratings and compare products side by side The primary power for this thermostat is supplied via c wire (24vac ... About The Google Nest Thermostat G4CVZ is part of the ...

Google made substantial strides with its installation guide. Still, the biggest change for installation is that the Nest Learning Thermostat (4th gen) does not need a C wire for power. Instead ...

The Google Nest Learning Thermostat ... wiring is impressive. It walks you through what you do and don’t need, and the most significant detail for me is that you don’t need a C-wire.