Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) – Obsidian
$229.99
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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.
Nest’s 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], it’s easy to install yourself and it’s 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 you’re 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.)
10 reviews for Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) – Obsidian
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$229.99
Ckra –
Sleek thermostat that does the job
Love the look of this thermostat. It was easy to install but I also had a google nest before this one. The thermostat has all the functions you need and pairing it with your phone helps you track not only the temp in your home, but also how your furnace is functioning.
Ashleigh Wiswell –
A Game-Changer for Home Comfort and Energy Savings
I recently upgraded to the Google Nest Learning Thermostat (4th Gen, 2024) with the Nest Temperature Sensor, and I am absolutely thrilled with the results. This smart thermostat has exceeded my expectations in both performance and convenience.Design & AestheticsThe Polished Gold finish adds a touch of elegance to my home decor. It’s sleek, modern, and looks great on the wall. The display is bright and easy to read, even from across the room, and it has a nice, minimalistic design that fits seamlessly into any space.Functionality & PerformanceThis thermostat is incredibly intuitive and learns your preferences over time. It automatically adjusts the temperature based on your habits, which means it keeps the house comfortable while saving energy. The Adaptive Eco mode is fantastic for reducing energy consumption when you’re away or asleep, and the integration with the Nest Temperature Sensor allows for more precise temperature control in different rooms.Smart Features & IntegrationThe Nest Thermostat works beautifully with both Alexa and the Google Home app, making it super easy to control with voice commands or via your phone. I can adjust the temperature remotely, monitor energy usage, and set schedules—all from my smartphone. The setup process was quick and easy, and the app interface is user-friendly.Energy EfficiencyOne of the standout features is the energy-saving capabilities. After using it for just a few weeks, I noticed a decrease in my utility bill, thanks to its energy-efficient settings and ability to optimize temperature settings based on my lifestyle.Final ThoughtsIf you’re looking for a smart thermostat that combines style, convenience, and energy savings, the Google Nest Learning Thermostat (4th Gen) is the perfect choice. It not only looks great but also works seamlessly with your home’s smart system to create a more comfortable and energy-efficient living environment. Highly recommend!
Sonoran Hikers –
Best Looking Thermostat EVER!!!
I had purchased a previous version of the Nest Thermostat (3rd Gen) and had issues with it holding a charge and connecting with Wi-Fi. So I returned the older model and splurged for the latest version in the Gold finish. OMG! I am still blown away at how amazing it looks. The mirror finish is stunning and its very easy to read when the dial turns on.Installation was actually easier than the 3rd Generation model (which was pretty easy) and set up was done in about 10 minutes. It connected to my Wi-Fi immediately and did a quick software update. The remote temperature sensor was added in less than 5 minutes. I travel a LOT for work and having total control of the HVAC system through the Google Home app is easy and I can see both the t-stat and the sensor in the bedroom.You may think that I have been bribed or compensated by Google, but you would be wrong. I simply want everyone to know that this is a very high quality product that looks amazing and WORKS.
IMR –
May not work in HVAC systems without a C wire, when the 3rd Gen Nest Thermostat will
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.
Jacob –
Exceptional thermostat
Very satisfied with this generation nest. I came from an E where the WiFi just gave out unfortunately. I’m not sure why some of the reviews mention it doesn’t work without a common wire because mine does not have a common wire either, the problem is it just has to trickle charge at that point so those people just need to plug it in for a bit using the charge port on the back (it was the same on my E) then you shouldn’t have to do it again. In my experience, they don’t come charged enough from the factory and since they rely on trickle charging without a common wire, they just have to be plugged in using the charge port on the back for at least an hour prior to installation.
Katalin –
4 starts only because not compatible with uk 🇬🇧
Mohammed –
جهاز ممتاز يتمتع بمزايا عديدة
MX5FOR2 –
Yikes what a neat device! It does learn from your daily movements to adjust either heating or cooling regime when you leave the house. It compensates for outside temps and figures out the time required to meet your set temps when you return to the home. There are many settings for fan timings ( to circulate stall air). To use the devices many features one should use the Google home app which requires WiFi. Should this be a ‘no -no’ it can be easily programmed directed by using the thermostat. Our one negative comment is the price. A Generation 3 unit costs less but lacks conservation features of this unit. Time will tell if the units features will save us energy costs. Google emphasized it will save.
Jakob Voogd –
The Next Gen 4 Thermostat is a fantastic addition to my smart home setup! It’s incredibly easy to install and use, with a sleek design that looks great on the wall. The intuitive controls and app connectivity make adjusting the temperature effortless, even when I’m away from home. The energy-saving features have already made a noticeable difference on my energy bills. I also love the detailed reports and insights on energy usage. Highly recommend this for anyone looking to upgrade their home’s climate control system!
HelpDesk –
Don’t buy if you live in the UK they work, only designed for the USA market.My installer said they don’t work in the UK