Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Silver
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Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
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Availability:
Only 4 left in stock, order soon!
Arrives
Nov 22 – Nov 23
Recently Viewed
Color: Polished Silver
Features
- Nests smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help make sure your heating and cooling systems are running smoothly[4]
- Improved compatibility: It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most homes; visit the Nest Compatibility Checker for more info[5]
- Easy control in the Google Home app: Adjust on your phone from anywhere[1] or by using your voice with Alexa, Siri, or Google Assistant smart speaker[3], its easy to install yourself and its Matter compatible for simple integration into your smart home[5]
- Beautiful design: With a 60% larger display[11] and Dynamic Farsight, you can see info from across the room[1]; choose the design, like a clock or the weather; it automatically adjusts brightness for the best readability or you can adjust manually
- Better visibility into adjustments: Asks for permission to make schedule changes to help you save energy; you'll receive notifications in the Google Home app, and you can view and accept changes with a tap[1]
- Manage hot and cold spots: It comes with the Nest Temperature Sensor (2nd gen) and works with any Nest Temperature Sensor; put a sensor in any room and use the Google Home app to set the temp it should reach at a certain time of day
- Savings you can count on: The Nest Learning Thermostat (4th gen) can help save an average of 12% on heating bills and 15% on cooling bills[2]
- New natural heating and cooling: Your thermostat learns how the temperature outside affects the temperature inside (for example, when the sun coming through the windows will heat the house naturally) and pauses your system to help you save[1]
- New Adaptive Eco: It uses the temperature outside to help find an energy-saving temperature when youre away and returns to a comfortable temperature within an hour of your return[1]
- Please refer to the Legal section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)
Description
The Nest Learning Thermostat (4th gen) is Google’s smartest, most advanced thermostat yet. It’s a beautiful way to save energy. It learns the temperatures you like, when you like them, even as your routine changes.[1] And it helps make sure your heating and cooling systems run smoothly.
Brand: Google
Model Name: Google Nest Learning Thermostat (4th Gen)
Product Dimensions: 0.04"D x 0.15"W x 0.15"H
Special Feature: Auto Scheduling, Easy to Install, Temperature Display
Brand: Google
Model Name: Google Nest Learning Thermostat (4th Gen)
Product Dimensions: 0.04"D x 0.15"W x 0.15"H
Special Feature: Auto Scheduling, Easy to Install, Temperature Display
Color: Polished Silver
Specific Uses For Product: Boiler
Temperature Control Type: Heating,Cooling
Connectivity Technology: Wi-Fi
Included Components: Thermostat Display, Thermostat base, Trim plate, Steal plate, Mounting screws and wiring labels, Nest Temperature Sensor (2nd gen)
Power Source: Corded Electric
Item Weight: 161.8 Grams
Voltage: 24 Volts
Material: Aluminum
Shape: Round
Display Type: Touchscreen
Finish Type: Polished
Control Type: Button Control
Control Method: App
Connectivity Protocol: Wi-Fi
Mounting Type: Wall Mount
Style: English
Backlight: Yes
Specification Met: Energy Star
Number of Batteries: 1 CR2 batteries required. (included)
UPC: 193575038469 193575040196
Manufacturer: Google
Part Number: GA05551-US
Item Weight: 5.7 ounces
Item model number: CE911542
Batteries: 1 CR2 batteries required. (included)
Size: One Size
Finish: Polished
Pattern: Data Display Pattern
Item Package Quantity: 1
Special Features: Auto Scheduling, Easy to Install, Temperature Display
Batteries Included?: Yes
Batteries Required?: Yes
Battery Cell Type: Lithium
Date First Available: August 6, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Nov 22 – Nov 23
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Polished Obsidian
First Impressions I live in an older apartment where wiring is… let’s just say vintage. No powered “C-wire” or whatever the pros call it, so I half-expected this Nest to laugh in my face. Instead, it installed easily and worked like a charm—no extra adapters, no electrician visit, just smooth sailing. Performance Learns fast. Within a few days, it figured out my routine and started adjusting temps automatically. Now it feels like the thermostat knows me better than my landlord. Eco mode. The adaptive energy-saving feature keeps the bills from looking like a ransom note, which is a big win. Temperature sensor. Handy little add-on that makes sure the whole place is comfortable, not just the hallway where the thermostat lives. Integration Works seamlessly with Alexa and Google Home—I can bark orders at it from the couch without lifting a finger. The Google Home app makes remote adjustments stupid-easy. Forgot to turn down the heat before leaving? Fixed in two taps. Design The Polished Obsidian finish looks slick. It’s the one piece of tech in my apartment that actually makes the place feel modern instead of “grandma-chic.” Pros Works perfectly even without a powered line (C-wire). Learns habits quickly and adjusts intelligently. Saves energy without me thinking about it. Easy integration with Alexa and Google Home. Sleek design that looks expensive. Cons If you’re not tech-friendly, setup might take a minute (but once it’s in, it’s golden). Bottom Line This thing is smart, stylish, and makes my old apartment feel brand new. It saves energy, keeps me comfortable, and didn’t require rewiring the building.
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Reviewed in the United States on August 24, 2025 by C. Taylor
Color: Polished Obsidian
Since they stopped supporting first gen thermostats, I had to update. It’s bigger and easier to read than first gen. Installation was easy. Took a picture of older connections to guide installation of new unit. Online google home app recognized it immediately. Suggest deleting old Nest from old Nest app first.
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Reviewed in the United States on November 10, 2025 by James
Color: Polished Silver
New to the Google home app/software, but works perfectly! I love that I can have multiple devices linked to it to use the "presents" feature. And im a very hot sleeper so being able to put the remote temp sensor right next to my head at night has been a total game changer!
Reviewed in the United States on November 1, 2025 by Johnathan W.
Color: Polished Obsidian
When one of our 3rd Gen Nest Thermostats stopped working, I decided to replace it with a 4th Generation Nest unit. Oddly, the mounting hardware for the 4th Generation is completely different from the 3rd Generation, which is annoying. The wiring backplate is incompatible, as the 4th Generation has a different electrical connector to the thermostat. One nice thing about the new backplate is that there is a light built into the bubble level which signals voltage on the Rh or Rc wires from the HVAC unit, implying you won't need a dedicated C wire for power. Unfortunately, this is many times not the case for the 4th Generation, lit bubble level or not. When I properly mounted and connected the 4th Generation thermostat, the setup app on my phone reported that there was "no power" on the R wire, even though the bubble level was lit, and I could measure the voltage on a multimeter. There was no way to get around the error message in the app. A call to Google support was completely useless. The support person clearly didn't know why the setup app falsely reported "no power", or whether or not the 4th Generation thermostat required higher voltage on the R wires than the 3rd Generation thermostat for operation without a C wire. An internet search revealed numerous people posting on Reddit and other web sites of the same issue I was having. How could Google support not be aware of this? Depending on your view, the difference between the R wire voltage requirements for the 4th Generation from the 3rd Generation thermostats is either an undocumented design change, or a design flaw. Personally, I consider it a significant design flaw, especially that it is not documented in the setup instructions, and there is no warning of this anywhere in Google's documentation. After spending about two hours removing the 3rd Generation mount, installing the 4th Generation mount, waiting for the callback from Google, and figuring out the root cause myself, I unmounted the 4th Generation Nest, packaged it back up, and returned it. I ordered a new 3rd Generation Nest from Amazon, and it works flawlessly with the HVAC unit. One attraction of the 4th Generation Nest is that the "maintenance band", the temperature variance range at which the AC compressor cycles on and off, is manually programmable, while on the 3rd Generation Nest it is not. There have been complaints that the 3rd Generation Nest's maintenance band is only two degrees F wide, which in some climates and homes cycles the compressor too often, and is blamed for excess wear and premature failure on the compressor. (AC units and heat pumps both use compressors.) So if you have a C wire in your compressor-based system, I recommend trying to use a 4th Generation Nest. Another trick which works with both generations is to use a remote sensor in a different part of the room or another room where the ambient temperature doesn't vary as quickly, to reduce compressor cycling. I use this trick for our 3rd Generation Units, and it also works for 4th Generation thermostats. Note that using a remote sensor this way may require some experimentation to get the desired result, while the feature to manually adjust the maintenance band makes it quicker and simpler. I really like the Google Nest thermostats when they're working the way they're supposed to, but the lack of backward functional capability from the 3rd Generation model to 4th Generation model is inexcusable, since there's no warning about it. And Google support is ineffective in helping less technical buyers. The least Google could do is document the issue properly on their web site.
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Reviewed in the United States on May 24, 2025 by IMR
Color: Polished Obsidian
I had a boiler and AC on separate units, old wiring, no c-wire, this magic thermostat allowed me to combine them! It works, it just works, it is quality make, good design, and honestly the easiest to use in the industry. Sure it probably has hidden spy features but what doesn’t.
Reviewed in the United States on November 2, 2025 by Pete
Color: Polished Obsidian
Junk! This thing has been randomly setting my heat to 80F for unknown reasons. I've turned off every 'smart' function and it's still doing it. Im writing this at 2:30 am after waking up yet AGAIN sweating to my house at 80'F! It's going in the trash tomorrow! Update: After hitting through factory reset option a few times it seems to be functioning as expected.
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Reviewed in the United States on October 14, 2025 by Amazon Customer
Color: Polished Obsidian
Easy to install when replacing previous generation Nest thermostat. Mounting plate is not large enough to cover previous thermostat’s mounting plate. Had to purchase a larger plate specific for this 4th generation Nest Learning thermostat.
Reviewed in the United States on October 23, 2025 by tylerk
Color: Polished Obsidian
Super easy to install. Took longer to install trim plate than it did to set it up. Even with a dual fuel heat
Reviewed in the United States on October 30, 2025 by Christopher