How do you wire a Honeywell thermostat?

5:4611:06Basic Thermostat Wiring - YouTubeYouTubeStart of suggested clipEnd of suggested clipInto the W terminal and the green wire into G or the fan tighten that one up as well. Okay. So weMoreInto the W terminal and the green wire into G or the fan tighten that one up as well. Okay. So we have the thermostat hooked up and then of course this wire goes into the wall and down to the furnace.

Where does Brown wire go on Honeywell thermostat?

A brown wire is mostly likely a heat pump wire and should be connected to the O/B connector on the Nest thermostat. If the B wire is blue, it should most likely be connected to the C connector.

Where does the white wire go on my thermostat?

The white wire underneath your thermostat connects to your heating system. It terminates at your air handler or furnace. The white wire connects to terminal W in industry-standard thermostats.

Is the white wire hot on a thermostat?

To install your unit, youll need to connect the correct wires to the terminals on the back of your new thermostat. Here is the industry standard thermostat wire color code used for most systems: White. The white wire connects to your heat.

What is the blue wire for on a thermostat?

The Blue or “C” Wire C wires or varying colors apply to every thermostat, but blue C wires belong to thermostats attached to a heat pump. Blue wires are for heat pumps, like orange wires. This wire connects to terminal B on your thermostat.