1/6 As you detach the HVAC wires from your old thermostat, make sure to label each one so you can wire the Nest Thermostat correctly. Photo by Jennifer Pattison Tuohy / The Verge Once you’re ...

We also get a much closer look at the Thermostat’s wiring base, which looks like the most elaborate from Nest to date — while the 2nd and 3rd gen models supported up to 10 wires for HVAC ...

The thermostat base for the new model is a different ... his home but said the app forced him to contact Nest support to ensure his existing wiring was compatible. The process was quick and ...