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Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian

Description:

  • 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]

  • 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.

    Reviews:

    5.0 out of 5 stars Sleek thermostat that does the job

    C. · December 28, 2025

    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.

    5.0 out of 5 stars Best Looking Thermostat EVER!!!

    S.H. · May 29, 2025

    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.

    5.0 out of 5 stars easy install

    C. · January 5, 2026

    Had to replace my Nest Thermostat 3rd gen with this Google Nest Learning Thermostat 4th gen. My cat loved to jump up on wall to knock the 3rd gen off wall so he could play cat hockey with it. This activity finally killed the 3rd gen.The installation was so easy and fast after I removed the 3rd gen. Very nice thermostat.

    1.0 out of 5 stars May not work in HVAC systems without a C wire, when the 3rd Gen Nest Thermostat will

    I. · May 24, 2025

    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 Bolo, 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.

    5.0 out of 5 stars Gorgeous display but I miss the Nest App

    R.C. · November 21, 2025

    Beautiful new Nest thermostat. Replaced an older model so that I could get “Matter” functionality (and have the option to control in Apple Home). That part works great.It was easy to swap the old unit out too. Was worried it would also delete or disassociate all my various room sensors, as I rely on those, but that wasn’t the case. Those are all tied to my Google Home account directly, and linked right back up.Wish I could take off half a star because the old Nest app will no longer work with this… Google Home is fine and I’m pretty sure I’ve figured out how to do everything that I used to with the old Nest app, but for anyone who has difficulty with “change”, or who has a bunch of Nest cameras that you also manage with that app, be warned. You will have to switch to the Google Home app to operate this new thermostat, at least initially, before porting it over to Apple Home (if that’s your bag). Even then, full functionality and control will only live within Google Home.

    4.0 out of 5 stars Programming

    S.W. · January 13, 2026

    Programming nest generation 4 was extremely difficult and took way to much time and a lot of Utube videos to figure it out. How ever once we worked through that process it is very useful.

    5.0 out of 5 stars Tough start, once wired correctly - LOVE IT!

    J. · January 3, 2026

    I wanted to give this fewer stars as I ran into installation issues, but a search got me what I needed. Recently bought a new house and wanted to upgrade the thermostat to something in this century. My old one had a Y, G, Rc, C, O/B. Because the way the prior thermostat was wired, it appeared I did not have a heat pump. The orange wire was connected to W/O/B on the other thermostat. I tried W to no avail - it would blow only cold air. I then did a search and found I might have a heat pump. Did a factory reset and setup again with this wiring and it worked perfect. This is the nest I was expecting. I wasn't able to use the Nest App that I used with my Gen 3 and had to use Google Home - no big deal actually. Works like a charm and the sensor picks up my bedroom temperature easily.

    5.0 out of 5 stars Energy savings and working very well!

    M. · January 4, 2026

    Amazing device for saving energy and comfort. It was easy to install and looks great in my living room!

    Good product but not compatible with Uk /EU market

    K. · March 31, 2025

    4 starts only because not compatible with uk 🇬🇧

    راحة و موقوقية

    M. · December 16, 2025

    جهاز ممتاز يتمتع بمزايا عديدة

    Very impressive, yet expensive device

    M. · September 24, 2025

    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.

    Smarter than ever!

    J.V. · October 25, 2024

    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!

    Don’t buy if you live in the UK!!

    H. · October 31, 2025

    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

    Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian

    Product ID: UO0Q5OOLEWZ
    Condition: New

    4.3

    (1,936 ratings)

    AED1,77203

    Price includes VAT & Import Duties
    Color: Polished Obsidian
    Product imageProduct imageProduct image
    Availability: In Stock

    Quantity:

    |

    Order today to get by 7-14 business days

    This item qualifies for free delivery

    Returns & Warranty policies

    Imported From: United States

    At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.

    BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.

    Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.

    While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.

    Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.

    BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    More from this brand

    Similar items from “Programmable”

    Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian

    Product ID: UO0Q5OOLEWZ
    Condition: New

    4.3

    (1,936 ratings)
    Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian-0
    Color: Polished Obsidian
    Product imageProduct imageProduct image

    AED1,77203

    Price includes VAT & Import Duties
    Availability: In Stock

    Quantity:

    |

    Order today to get by 7-14 business days

    This item qualifies for free delivery

    Returns & Warranty policies

    Imported From: United States

    At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.

    BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.

    Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.

    While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.

    Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.

    BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    Description:

  • 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]

  • 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.

    Reviews:

    5.0 out of 5 stars Sleek thermostat that does the job

    C. · December 28, 2025

    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.

    5.0 out of 5 stars Best Looking Thermostat EVER!!!

    S.H. · May 29, 2025

    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.

    5.0 out of 5 stars easy install

    C. · January 5, 2026

    Had to replace my Nest Thermostat 3rd gen with this Google Nest Learning Thermostat 4th gen. My cat loved to jump up on wall to knock the 3rd gen off wall so he could play cat hockey with it. This activity finally killed the 3rd gen.The installation was so easy and fast after I removed the 3rd gen. Very nice thermostat.

    1.0 out of 5 stars May not work in HVAC systems without a C wire, when the 3rd Gen Nest Thermostat will

    I. · May 24, 2025

    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 Bolo, 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.

    5.0 out of 5 stars Gorgeous display but I miss the Nest App

    R.C. · November 21, 2025

    Beautiful new Nest thermostat. Replaced an older model so that I could get “Matter” functionality (and have the option to control in Apple Home). That part works great.It was easy to swap the old unit out too. Was worried it would also delete or disassociate all my various room sensors, as I rely on those, but that wasn’t the case. Those are all tied to my Google Home account directly, and linked right back up.Wish I could take off half a star because the old Nest app will no longer work with this… Google Home is fine and I’m pretty sure I’ve figured out how to do everything that I used to with the old Nest app, but for anyone who has difficulty with “change”, or who has a bunch of Nest cameras that you also manage with that app, be warned. You will have to switch to the Google Home app to operate this new thermostat, at least initially, before porting it over to Apple Home (if that’s your bag). Even then, full functionality and control will only live within Google Home.

    4.0 out of 5 stars Programming

    S.W. · January 13, 2026

    Programming nest generation 4 was extremely difficult and took way to much time and a lot of Utube videos to figure it out. How ever once we worked through that process it is very useful.

    5.0 out of 5 stars Tough start, once wired correctly - LOVE IT!

    J. · January 3, 2026

    I wanted to give this fewer stars as I ran into installation issues, but a search got me what I needed. Recently bought a new house and wanted to upgrade the thermostat to something in this century. My old one had a Y, G, Rc, C, O/B. Because the way the prior thermostat was wired, it appeared I did not have a heat pump. The orange wire was connected to W/O/B on the other thermostat. I tried W to no avail - it would blow only cold air. I then did a search and found I might have a heat pump. Did a factory reset and setup again with this wiring and it worked perfect. This is the nest I was expecting. I wasn't able to use the Nest App that I used with my Gen 3 and had to use Google Home - no big deal actually. Works like a charm and the sensor picks up my bedroom temperature easily.

    5.0 out of 5 stars Energy savings and working very well!

    M. · January 4, 2026

    Amazing device for saving energy and comfort. It was easy to install and looks great in my living room!

    Good product but not compatible with Uk /EU market

    K. · March 31, 2025

    4 starts only because not compatible with uk 🇬🇧

    راحة و موقوقية

    M. · December 16, 2025

    جهاز ممتاز يتمتع بمزايا عديدة

    Very impressive, yet expensive device

    M. · September 24, 2025

    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.

    Smarter than ever!

    J.V. · October 25, 2024

    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!

    Don’t buy if you live in the UK!!

    H. · October 31, 2025

    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

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    Similar items from “Programmable”