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 ...

I turned down the thermostat, but the heat kept on cranking ... But, the fact that Nest knows its wiring system is faulty and doesn't warn people that'll they need a third wire is a big problem.

The fourth generation of the Nest Thermostat improves on the original ... and we’d decided to install a more energy-efficient Trane heat pump system with a multistage high-efficiency compressor ...

Here, you can raise or lower your target temperature, change modes (heat ... the fourth-gen Nest is easy, but as with any thermostat, it requires working with low-voltage wiring.