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Google Nest Learning Thermostat (4th gen)

Google / GA05169-US, GA05171-US, GA05551-US, GA05557-US, GA05560-US, GJQ8U

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Google Nest Learning Thermostat (4th gen) display
Image: Google press materials (Source: Google)

Does the Google Nest Learning Thermostat (4th gen) work with HomeKit, Alexa, and Google Home?

The Nest Learning Thermostat (4th gen) is a Matter thermostat over Wi-Fi, but it is not a Thread border router. It comes with one Nest Temperature Sensor. It suits Google Home users, with native support through Matter over Wi-Fi.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
Matter / Wi-Fi, native
Alexa
Unknown
Unknown
SmartThings
Unknown
Unknown
Home Assistant
Unknown
Unknown

Key facts

Google Nest Learning Thermostat (4th gen) facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1] (Includes one Nest Temperature Sensor (2nd gen).)
List price$279.99[2] as of
Matter device typeThermostat[3]
SeriesLearning Thermostat[4]
Released2024-08-20[5–7] (Announced 2024-08-06 with pre-orders. Available 2024-08-20.)
End of supportNone announced[8]
Wiring / base12-terminal base: up to 3 heat and 3 cool stages, heat pump with AUX, AUX2 and E, fan G, G2 and G3, C, RH, RC, HUM, DEHUM, VENT, plus AQ+ and AQ- terminals[1][4][5]
C wireWorks with or without a C wire. In limited cases (under 1%), a C wire or Nest Power Connector may be necessary.[1][9]
RadioWi-Fi 802.11n 2.4 and 5 GHz[1][10] (The ENERGY STAR certification also covers Thread and Bluetooth.)
MatterYes, over Wi-Fi. Certified at launch.[1][5][11][12] (Software 2.4 (2026-04-30) adds a Matter bridge so thermostat sensors work with other Matter devices.)
Thread border routerunknown
Nest Temperature SensorYes. One sensor is included, and you can add up to 6 per thermostat.[13][14] (All Nest Temperature Sensor generations work.)
RegionsUS and Canada[5][10] (Google said in April 2025 it will not release new Nest thermostats in Europe.)

Integration paths

How the Google Nest Learning Thermostat (4th gen) connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-FiWi-Fi network[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Roles in a smart home

Infrastructure roles

How facts are sourced: every cell cites its source below
RoleActs as one
Thread border routerNo[15] (Google's Thread border routers are speakers, displays, Nest Wifi Pro and Google TV Streamer, not thermostats.)

Releases

  1. 2024
    1. Announced [5]
    2. Released [5]
  2. 2026
    1. Firmware 2.4 [7]

      Matter bridge support for thermostat sensors

Certifications

Certification records

3 recordsHow facts are sourced: every cell cites its source below
ProgramCertificateCertified onTransportSpec / softwareSource
MatterCSA24363MAT43542-24wifi1.2 / 2.1[11]
MatterCSA25B51MAT47779-24wifi1.4 / 2.3[12]
MatterCSA264ZBMAT55863-24wifi1.5.1 / 2.4[16]

Cite this page

Google Nest Learning Thermostat (4th gen). Smart Home Canon. https://smarthomecanon.com/devices/google-nest-learning-thermostat-4th-gen. Last checked 2026-10-09.

Sources

  1. [1]
    MFRstore.google.com / Google Store (US): Nest Learning Thermostat (4th gen) tech specs
    Accessed Back to text
  2. [2]
    MFRstore.google.com / Google Store US: Nest Learning Thermostat (4th gen)
    Accessed Back to text
  3. [3]
    DBmatteralpha.com / Matter Alpha: Nest Learning Thermostat 4th gen
    Accessed Back to text
  4. [4]
    MFRsupport.google.com / Google Nest Help: How to tell which Nest thermostat you have
    Accessed Back to text
  5. [5]
    MFRblog.google / Google blog, 6 Aug 2024: The Nest Learning Thermostat is smarter and sleeker than ever
    Accessed Back to text
  6. [6]
    MFRblog.google / Google blog, 20 Aug 2024: 9 new things about the Nest Learning Thermostat
    Accessed Back to text
  7. [7]
    MFRsupport.google.com / Google Nest Help: Nest thermostat software update history
    Accessed Back to text
  8. [8]
    MFRsupport.google.com / Google Nest Help: End of support for Nest Learning Thermostats (1st & 2nd gen)
    Accessed Back to text
  9. [9]
    MFRsupport.google.com / Google Nest Help: Nest thermostat technical specifications
    Accessed Back to text
  10. [10]
    CERTenergystar.gov / ENERGY STAR Certified Smart Thermostats: Google Nest Learning Thermostat GA05###-** (pd_id 3462877)
    Accessed Back to text
  11. [11]
    CSAcsa-iot.org / CSA DCL: Nest Learning Thermostat 4th gen, CSA24363MAT43542-24, fw 2.1, certified 2024-06-23
    Accessed Back to text
  12. [12]
    CSAcsa-iot.org / CSA DCL: Nest Learning Thermostat 4th gen, CSA25B51MAT47779-24, fw 2.3, certified 2025-10-14
    Accessed Back to text
  13. [13]
    MFRstore.google.com / Google Store (US): Nest Learning Thermostat (4th gen) overview, compare table and FAQ
    Accessed Back to text
  14. [14]
    MFRstore.google.com / Google Store (US): Nest Temperature Sensor (2nd gen) specs and compatibility
    Accessed Back to text
  15. [15]
    MFRsupport.google.com / Google Nest Help: How Google products use Thread in a smart home
    Accessed Back to text
  16. [16]
    CSAcsa-iot.org / CSA certified product: Nest Learning Thermostat 4th gen (CSA264ZBMAT55863-24)
    Accessed Back to text