Nest doesn't follow the wiring structure of conventional thermostats and instead uses the heat pump row for heating and ...

The Nest thermostat also figures the heat pump’s efficiency ... your old thermostat and make sure you have the necessary wiring to connect the smart mode. A number of wires — typically ...

You can double-check the device’s wiring at ... allows a 4 th-gen Nest thermostat to compensate for exposure to direct sunlight from a window or skylight, which could heat up its sensors.