Nest Learning Thermostat 4th gen (US): what it works with
Google Nest · model Learning Thermostat (4th gen) · For the US and Canada
- Matter Yes, over Wi-Fi
- Apple Home Via Matter
- Google Home Yes
- Amazon Alexa Yes
- SmartThings Unconfirmed
- Home Assistant Yes
Google Home is the main app for the Nest Learning Thermostat (4th gen), a US wall thermostat with Wi-Fi and Matter certification. That Matter listing is how it reaches Apple Home, and Home Assistant has an official Nest integration too. Alexa works through Google's Nest skill, and SmartThings is not confirmed. It runs without a C-wire in most homes and covers most 24 V systems.
Checked against 8 sources on
Ecosystem compatibility
| Platform | Works? | Details |
|---|---|---|
| Matter | Yes, over Wi-Fi | CSA lists the 4th gen as Matter certified over Wi-Fi (firmware 2.3, Matter 1.4, October 2025; an earlier 2024 listing covers firmware 2.1). Google says it works with Google Home and other Matter-enabled apps.[2],[3] Other Matter smart thermostats |
| Apple Home | Via Matter | Through Matter: add it to Google Home first, then link it to Apple Home. Google caps a thermostat at 5 Matter apps. Needs an Apple home hub.[2],[3] |
| Google Home | Yes | Set up and controlled in the Google Home app.[1],[2] |
| Amazon Alexa | Yes | Through Google's Nest skill for Alexa, enabled from the Google Home app. Google's thermostat comparison lists Works with Amazon Alexa for the 4th gen.[4],[7] |
| SmartThings | Unconfirmed | No Google or Samsung page found lists this model. Only a SmartThings forum post mentions a Nest thermostat over Matter. |
| Home Assistant | Yes | Official Google Nest integration using the Smart Device Management API, which Google says supports all Nest thermostat models; Google charges a one-time US$5 Device Access fee. Matter is a second route.[5],[8] |
“Via Matter” means you add it with that platform's Matter controller instead of a brand skill or app. “Unconfirmed” means we couldn't find an official source either way. How we verify.
Specs that matter for setup
- Radio
- Wi-Fi[6]
- Local control
- Unconfirmed
- Type
- Wall thermostat[1]
- Controls
- Most 24 V systems, incl. heat pumps[6]
- Power
- No C-wire needed in most homes[6]
- Radio: Google's 4th gen specs list Wi-Fi 802.11n (2.4/5 GHz). No Google page we saw lists a Thread radio for this model, so it is left out.
- Hub: Connects over Wi-Fi and is set up in the Google Home app; no bridge needed.
- Local control: No maker source states what works without internet. Home Assistant's Nest integration is cloud-based.
- Type: Wall-mounted thermostat.
- Controls: Google lists most 24 V systems (gas, electric, oil, forced air, heat pump, radiant). Use g.co/nest/works to check yours.
- Power: Google's specs page says it runs without a C-wire in most homes and that in limited cases (under 1%) a C-wire or Nest Power Connector is needed. Google's product page adds that heating-only, cooling-only, zoned and heat pump systems need one.
Before you buy
- Setup requires the Google Home app.
- Google says heating-only, cooling-only, zoned and heat pump systems need a C-wire or Nest Power Connector; its checker is g.co/nest/works.
- Google caps a thermostat at 5 Matter apps, and Apple Home also needs an Apple home hub.
- SmartThings support is not confirmed.
Quick answers
- Does the Nest Learning Thermostat 4th gen (US) work with Apple Home?
- Yes, through Matter: add it with Apple Home's Matter pairing. Through Matter: add it to Google Home first, then link it to Apple Home. Google caps a thermostat at 5 Matter apps. Needs an Apple home hub. More smart thermostats for Apple Home
- Does the Nest Learning Thermostat 4th gen (US) work with Google Home?
- Yes. The Nest Learning Thermostat 4th gen (US) works with Google Home directly. Set up and controlled in the Google Home app. More smart thermostats for Google Home
- Does the Nest Learning Thermostat 4th gen (US) work with Amazon Alexa?
- Yes. The Nest Learning Thermostat 4th gen (US) works with Amazon Alexa directly. Through Google's Nest skill for Alexa, enabled from the Google Home app. Google's thermostat comparison lists Works with Amazon Alexa for the 4th gen. More smart thermostats for Amazon Alexa
- Does the Nest Learning Thermostat 4th gen (US) work with SmartThings?
- Not confirmed. We couldn't find an official source either way. No Google or Samsung page found lists this model. Only a SmartThings forum post mentions a Nest thermostat over Matter.
- Does the Nest Learning Thermostat 4th gen (US) work with Home Assistant?
- Yes. The Nest Learning Thermostat 4th gen (US) works with Home Assistant directly. Official Google Nest integration using the Smart Device Management API, which Google says supports all Nest thermostat models; Google charges a one-time US$5 Device Access fee. Matter is a second route. More smart thermostats for Home Assistant
Sources
- Nest Learning Thermostat (4th gen) — Google manufacturer · accessed Oct 11, 2026
- Nest thermostat technical specifications - Google Home and Nest Help — Google manufacturer · accessed Oct 11, 2026
- Nest Learning Thermostat 4th gen - CSA-IOT — Connectivity Standards Alliance certification · accessed Oct 11, 2026
- Control Google Nest products with Amazon Alexa - Google Home and Nest Help — Google manufacturer · accessed Oct 11, 2026
- Google Nest - Home Assistant — Home Assistant ecosystem · accessed Oct 11, 2026
- Specs & Wiring Compatibility of Nest Learning Thermostat (4th gen) — Google manufacturer · accessed Oct 11, 2026
- Compare Google Nest Smart Thermostat Specs - Google Store — Google manufacturer · accessed Oct 11, 2026
- Supported Devices - Device Access — Google manufacturer · accessed Oct 11, 2026
Official product page: store.google.com