Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Silver
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Availability:
Only 5 left in stock, order soon!
Arrives
Saturday, Oct 3
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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]
- Savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills [2]
- 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
- 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
Additional Features: Auto Scheduling, Easy to Install, Temperature Display
Specific Uses For Product: Boiler
Temperature Control Type: Heating,Cooling
Connectivity Technology: Wi-Fi
Power Source: Corded Electric
Voltage: 24 volts
Display Type: Touchscreen
Control Type: Button Control
Control Method: App
Connectivity Protocol: Wi-Fi
Mounting Type: Wall Mount
Number of Batteries: 1 CR2 batteries required. (included)
Color: Polished Silver
Shape: Round
Product Style: English
Material Type: Aluminum
Finish Types: Polished
Brand Name: Google
Model Name: Google Nest Learning Thermostat (4th Gen)
Included Components: Thermostat Display, Thermostat base, Trim plate, Steal plate, Mounting screws and wiring labels, Nest Temperature Sensor (2nd gen)
Model Number: CE911542
UPC: 193575038469 193575040196
Manufacturer: Google
Number of Items: 1
Unit Count: 1 Count
Item Type Name: Thermostat
Manufacturer Part Number: GA05551-US
Item Dimensions D x W x H: 0.04"D x 0.15"W x 0.15"H
Item Weight: 161.8 g
Specification Met: Energy Star
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Oct 3
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
Easy to set up and easy to live with. The interface is straightforward enough that anyone in the house can adjust it without asking how, and the app does everything you'd want from across town. The build quality stands out. The display is sharp, the dial has a solid, precise feel to it, and the finish looks like a piece of hardware rather than a plastic box on the wall. The Obsidian color blends in well. The included temperature sensor is a real addition, not a throw-in — it lets you prioritize the room you actually care about instead of whatever room the thermostat happens to be in. Worth what it costs. No complaints.
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Reviewed in the United States on September 2, 2026 by Juliano Braga
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Fantastic! Easy to install. Works with multiple wiring configurations and it senses which wires are connected. My original thermostat was on a wall that got warm during the day due to outdoor heat. I couldn’t regulate a constant room temp. The remote sensor here solved the problem. Google home App is great too! Love the easy programming. I work out in this room and i can now drop the temp before I go in there.
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Reviewed in the United States on September 5, 2026 by ScienceGeek
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Three reasons I like this product: 1) C-Wire: I don't have a c-wire available. There are VERY few modern smart thermostats that claim to work without one. I first tried one of the others, the Sensi. It did not have any apparent easy way to determine in advance if it would work without a c-wire. It didn't work for me. The lack of an easy advance tool cost both of us time and money; a lose/lose. A wrote a well-deserved 1 star review of that product. This product does have a very easy tool to determine in advance if it will work without a c-wire. It took me literally 10 seconds to use that tool & be confident this would work. And, it does, in fact, work great without a c-wire. 2) Functionality: It comes with a remote temp sensor which is a new thing for me and a great idea. I put mine in the bedroom. It was crazy-easy to set up and I really like the simple interface letting you choose when & how you want the thermostat to use it. It says you can add more of these if you want. Programming a daily schedule is incredibly easy as is making quick adjustments to that schedule. It has all sorts of other features such as auto-adjusting based on who is home, learning your patterns & making further auto adjustments, accepting voice commands, and so on. I do not want to use any of those things. They made it very easy for me to just say "no thanks" to all of those things and still have a nice seamless experience. 3) Appearance: I hesitated to buy this product because it is round while my previous thermostat was rectangular and the wall is messed up everywhere behind the area of the old thermostat. Yes, I can patch a wall and paint it - but, no, I don't really want to if I can avoid it. It was a pleasant surprise to me that this thermostat came with an optional large faceplate that is made to cover up the bad wall in exactly my situation. I used it and it is great. Privacy is a concern but that seems to come with just about everything these days so - I don't know - just get over it? I recommend this.
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Reviewed in the United States on December 8, 2024 by JustADude
Color: Polished Silver
We’ve had earlier models of nest thermostats in the past. Decided to upgrade to the newer model after our new house shorted out our old one. This model is the best on the market imo. The style is modern and looks great. The interface looks better than ever. It always has good WiFi connectivity and is easy to use whether your adjusting settings on your phone or in person.
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Reviewed in the United States on July 22, 2026 by Ryan
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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 Gold
This thermostat has been a fantastic upgrade for my home. Installation was straightforward, the display looks great, and the included temperature sensor helps keep the rooms I use most comfortable. The smart features are easy to use and have made managing my home's temperature much more convenient. Highly recommended!
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Reviewed in the United States on July 16, 2026 by Dennis P.
Color: Polished Silver
As finally a lucky homeowner, I'm able to choose my own thermostat. After looking at multiple options, from basic smart to advance smart thermostats, I've always thought the nest was the cream of the crop so went with this latest and smartest model. Instructions and installation equipment were easy to follow and install on a 1986 home. Wi-Fi connectivity and app setup, I had one hiccup if I remember, but was able to complete. I'll quick put my complaints here: one, I like it cold, but I also like energy efficiency. I often find it auto lowering the temperature past where I'd like. I'd use the Eco setting more often, but it's a tad too high. If I want it to stay at a certain temperature, I have to use the hold feature but I still want to be able to adjust it, so then I have to take it off hold. So far it hasn't exactly been learning accurately after about 4 or 5 months of use. Two, it may be fancier than really what I or most people would probably need. The ability to have room sensors is nice. Since sleep temperature is important, I keep it in the master bedroom. Smart integration with Amazon devices and the Google home app, no real problems. A decent number of settings to configure the device as well. All these features make it one of the more expensive options. Three, I mistakenly chose this not realizing it's not an energy star rated model. Not sure exactly why, but it makes it not eligible for power company rebates. This lowers the value proposition. Four, well it's easy enough to use, but not the easiest. I'm by no means technologically illiterate. What I mainly mean is changing the common settings like setting a temperature, switching between hot, cold, and hot / cold, setting a hold, setting eco and changing the temperature thresholds, all required just a little extra work versus other thermostats that have like dedicated arrow buttons. It just comes with the territory of a product designed with a minimalist interface. As for the pros, I've mentioned some. Plenty of features, working smart integration, connectivity if you're into that, sleep design, easy enough installation, and solid build quality. Would I recommend this? If you know what you want and these feature sets are truly what you desire, and price isn't too important, then yes. If you want possibly the best or most advanced, then yes. If you want a basic thermostat, or basic smart thermostat, want something that will save you money sooner than later, want something that's easy for people who don't like technology, then I would not recommend this.
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Reviewed in the United States on August 14, 2026 by World's #1 Reviewer 🏆
Color: Polished Silver
After using the 3rd generation Nest Learning Thermostat, upgrading to the 4th generation has been well worth it. The new design is a noticeable improvement, with the larger display giving it a much more modern and polished appearance on the wall. Beyond the new look, the additional features make the upgrade worthwhile. We have several Nest temperature sensors throughout the house, and I especially like having more flexibility in how those sensors can be used. Rather than simply programming around individual rooms, the ability to work with sensor groups helps provide more balanced comfort throughout the home and makes the overall HVAC setup feel more efficient. The Google Home app integration works well for controlling temperatures, schedules, and sensors in one place. The larger display and Farsight features are also useful improvements in everyday use. Installation was straightforward when replacing our existing Nest, and the included 2nd generation temperature sensor adds even more value to the package. Overall, the combination of the updated design, improved sensor management, smarter features, and better whole-home comfort makes the 4th generation Nest a meaningful upgrade rather than simply a cosmetic refresh.
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Reviewed in the United States on August 22, 2026 by KK