Google
Google Nest Learning Thermostat (4th Gen)
Model: Nest Learning Thermostat (4th Gen)
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The OG smart thermostat with 4th-gen hardware and Soli sensor
Key specs
Display
2.7″ color LCD
Sensor
Soli radar + temp/humidity
Compatibility
Matter, Home app, Nest
Wiring
24V C-wire
WiFi
Wi-Fi 5
Voice Assistant
Google Assistant, Alexa
Power
24 V (C-wire required for 4th-gen)
Smart Home Hub
Matter, Google Home, Alexa, SmartThings
Privacy
Local schedule storage, end-to-end encrypted
Dimensions
3.47 in × 0.93 in (Ø × D)
Pros & cons
✓ Pros
- Most premium-feeling thermostat
- Learns your schedule
- Matter support finally
- Soli radar for presence
✗ Watch-outs
- Requires C-wire in most homes
- Expensive
- Some users lost features with Google Home migration
- No Alexa voice UI on device
About the Nest Learning Thermostat
The Nest Learning Thermostat offers The OG smart thermostat with 4th-gen hardware and Soli sensor. Our detailed review covers specs, real-world performance, pros and cons, and where to get the best price.
Frequently asked about this product
Q. Is the Nest Learning Thermostat worth buying in 2026?
A. If you value its combination of specs and brand reputation, yes — the Nest Learning Thermostat remains competitive at its current price point of Check Amazon. Compare it head-to-head with rivals below before deciding.
Q. What's the Nest Learning Thermostat's biggest weakness?
A. Requires C-wire in most homes
Q. Is the Nest Learning Thermostat good for everyday use?
A. Yes. The Nest Learning Thermostat is designed to handle typical daily workloads reliably. For specialized or heavy use, check the specs table above.
Q. How does the Nest Learning Thermostat compare to its direct rivals?
A. We've built dedicated head-to-head comparison pages for every major rivalry. Scroll below or use the site search (top right) to find "[Nest Learning Thermostat (4th Gen)] vs [competitor model]".
Q. Does the Google warranty cover manufacturing defects?
A. Google typically includes a 1-year limited warranty on manufacturing defects. Always check the current warranty terms on the Amazon listing before buying — terms can change.
Q. Where can I get the best price on the Nest Learning Thermostat?
A. Prices fluctuate. Amazon is usually competitive, and our price history tool (linked in the footer) tracks historical lows so you can buy during a dip.
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