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GoogleThermostats

Nest Learning Thermostat (4th gen)

CSA Certified7 retailer options · packages differ

CSA Matter certified (certificate CSA25B51MAT47779-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.

At a glance: Matter certified: Yes · Connectivity: Wi-Fi · Works with: Apple Home, Amazon Alexa and Google Home · Thread border router: No

Independent guide. We may earn a commission through affiliate links. Direct non-affiliate links are labeled. How our links work

Nest Learning Thermostat (4th gen)
Price at retailer

Amazon

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6 stores · 7 listings

StorePriceDetailsStore link

Amazon

New · Silver finish · Nest Learning Thermostat (4th gen) + Temperature Sensor

See price at Amazon

Check price at Amazon

Amazon

New · Obsidian finish · Nest Learning Thermostat (4th gen) + Temperature Sensor

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Check price at Amazon

The Home Depot

See price at The Home Depot
Direct, non-affiliate linkNotes

Direct non-affiliate link. Home Depot model GA05551-US: Polished Silver thermostat with one Nest Temperature Sensor (2nd gen), matching the Amazon listing's colour and bundle. Confirm current price, delivery and your HVAC compatibility at the retailer.

Check price at The Home Depot

Lowe's

See price at Lowe's
Direct, non-affiliate linkNotes

Direct non-affiliate link. Lowe's model GA05551-US: Polished Silver thermostat with temperature sensor, matching the Amazon listing's colour and bundle. Confirm current price, delivery and your HVAC compatibility at the retailer.

Check price at Lowe's

Tech For Less

See price at Tech For Less
Direct, non-affiliate linkNotes

Direct non-affiliate link to Tech For Less's US product page for Google GA05169-US Nest 4th Gen Learning Thermostat With 2nd Gen; model/SKU GA05169-US equals this record's model. Confirm the exact variant, current price and delivery at the retailer.

Check price at Tech For Less

P.C. Richard & Son

See price at P.C. Richard & Son
Direct, non-affiliate linkNotes

Direct non-affiliate link to P.C. Richard & Son's US product page for Nest Learning Thermostat (4th Gen) - Polished Silver + Temperature Sensor, Smart WiFi Thermostats | GA05551-US; model/SKU GA05551-US equals this record's model. Confirm the exact variant, current price and delivery at the retailer.

Check price at P.C. Richard & Son

Abt Electronics

See price at Abt Electronics
Direct, non-affiliate linkNotes

Direct non-affiliate link to Abt Electronics's US product page for Google Nest Learning Thermostat (4th Gen) in Polished Silver - GA05551-US; GTIN 193575038469 equals this record's GTIN; model/SKU GA05551-US matches this record's model. Confirm the exact variant, current price and delivery at the retailer.

Check price at Abt Electronics

These are different packages and selections, not like-for-like prices. Check condition, pack quantity, included accessories and model before buying. Prices and availability are confirmed at each retailer.

A thermostat with learning schedules and a separate room-temperature sensor. Google’s compatibility checker is the starting point for your system, including multi-stage equipment and any power accessories. Compatible 24 V HVAC · C-wire needs vary. Check the exact HVAC system with Google. This model can work without a C wire in many installations; some need a C wire or Nest Power Connector. The linked offer is Polished Silver with a 2nd-gen sensor. Obsidian and Gold are different finishes; the 2020 Nest Thermostat and earlier Learning generations are different products.

Wi-FiMatter

Specifications

Brand
Google
Category
Thermostats
Protocols
Wi-Fi, Matter
Certificate ID
CSA25B51MAT47779-24

Ecosystem compatibility

Matter
Apple Home
Alexa
Google Home

Quick answers

Is the Nest Learning Thermostat (4th gen) Matter certified?
Yes. MatterCatalog matches it to CSA Matter certificate CSA25B51MAT47779-24.
Which smart home platforms does the Nest Learning Thermostat (4th gen) work with?
MatterCatalog lists Apple Home, Amazon Alexa and Google Home. Controls can differ from app to app.
Does the Nest Learning Thermostat (4th gen) use Thread or Wi-Fi?
Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
Where can I buy the Nest Learning Thermostat (4th gen)?
MatterCatalog has verified store links for it at Amazon, The Home Depot, Lowe's, Tech For Less, P.C. Richard & Son and Abt Electronics. Check the current price, model and pack size at the store.

From this product’s catalog record, not hands-on testing. Editorial policy

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Nest Learning Thermostat (4th gen)

· CSA certified · New · Silver finish · Nest Learning Thermostat (4th gen) + Temperature Sensor

Check price at AmazonSee 3 stores