Google Nest Learning Thermostat vs Google Nest Learning Thermostat (4th gen)

The Google Nest Learning Thermostat (4th gen), which adds a larger display, an included temperature sensor, Matter support for Apple Home, a system health monitor and schedule suggestions. The older Google Nest Learning Thermostat is the lower priced pick and the safer fit where there is no C-wire.

Features and wiring. The Google Nest Learning Thermostat (4th gen) adds Matter, an included sensor, a bigger screen and a health monitor, but it can fail to power without a dedicated C-wire, where the older Google Nest Learning Thermostat worked in more setups.

Yes, through Matter, which is what puts it in the Apple Home app. The older Google Nest Learning Thermostat has no Matter and does not work with Apple Home. Both work with Google Home, Alexa and Samsung SmartThings.

Yes. Both learn your routine and build a heating and cooling schedule automatically, and both report energy savings. The Google Nest Learning Thermostat (4th gen) goes further with a system health monitor and schedule suggestions you can accept in the app.

Buyers who want an automatic learning schedule at a lower price, or who are upgrading an existing setup and are unsure about a C-wire.

Google home households with a C-wire who want the newest features, multi-room sensing with the included sensor, a bigger display and Apple Home through Matter.