Nest Learning Thermostat 4th gen, smart thermostat

Nest Learning Thermostat 4th Gen - $279.99 With Sensor

Published on 09/05/2026 at 20:51 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Nest Learning Thermostat (4th gen) costs $279.99 and includes one Nest Temperature Sensor. Google positions the model with Matter, Dynamic Farsight, and Google Home app control.

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Nest Learning Thermostat (4th gen) costs $279.99 and includes one Nest Temperature Sensor. It also comes in Polished Obsidian, Polished Silver, and Polished Gold, with setup through the Google Home app.

What Google Put In The Box

Google's store page lists a 3.9-inch diameter, a 1.1-inch depth, and a 5.7-ounce weight for the thermostat. It also says the display is 2.7 inches wide, 600 x 600 pixels, and backed by a built-in rechargeable lithium battery.specifications

The same specs page says the unit works with Wi-Fi 802.11n on 2.4 GHz and 5 GHz bands, supports Matter, and works with most 24V systems. Google also says the thermostat can control heating, cooling, heat pump, fan, humidifier, dehumidifier, and ventilation connections.

Price And Retail Context

The Google Store lists the thermostat at $279.99, while Best Buy shows the same model at $239.99 in Polished Silver. Best Buy also lists the model number GA05551-US in its specifications.Best Buy listing

Google says the thermostat comes with a Nest Temperature Sensor (2nd gen), the included trim plate, the steel plate, mounting screws, and wiring labels. The company also says the Nest Learning Thermostat can help save up to 31% on heating and cooling bills.Google announcement

Direct from the Manufacturer

Nest Learning Thermostat 4th Gen on Google Store

Google's store page shows the current color options, included sensor, and setup details.

Open Google Store Page

Compatibility And Controls

The thermostat works with Google Home, Amazon Alexa, and Apple Home, and Google says it is Matter-certified. Best Buy's specs page also lists multi-zone control, auto-away mode, motion sensing, and ENERGY STAR certification.

Google says no C wire is required in most homes, and the installation flow runs through the Google Home app. The company also says the sensor supports hot and cold spot management room by room.

Where It Fits

The Nest Learning Thermostat (4th gen) sits at the high end of Google's thermostat line, with a larger display and the included sensor separating it from the simpler Nest Thermostat. For homes that want remote control, room sensing, and Matter support in one package, the 4th gen model is the sharper pick.