Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian
Best for
Best with remote sensors
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$229.99
Updated Jun 27, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the 4th-gen Nest Learning Thermostat bundled with a temperature sensor earns its keep on accuracy: high-trust tester TechGearLab measured just a 0.314°F difference from target using a nearby temperature sensor, one of the tighter results in the category. Verified Amazon buyers back this up with a 4.4-star average across roughly 2,309 reviews, and Home Depot listing reviewers praised the learning behavior and energy savings.
What reviewers liked
- High-trust TechGearLab measured excellent 0.314°F real-world accuracy with a sensor
- Includes a Nest Temperature Sensor for managing hot and cold rooms
- Strong verified-purchase rating (4.4 across ~2,309 reviews)
- Added Matter support improves smart-home interoperability for the thermostat
Where it falls short
- r/Nest owners repeatedly complain the display is too dim even at 100% brightness
- r/googlehome users note the temperature sensors lack Matter support, calling it 'a huge miss'
- Some community reviewers find the Google Home app fidgety and the learning feature hard to fully disable
- Premium pricing for a feature set several owners found only marginally better than the base model
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Across the reviewers we read, the 4th-gen Nest Learning Thermostat bundled with a temperature sensor earns its keep on accuracy: high-trust tester TechGearLab measured just a 0.314°F difference from target using a nearby temperature sensor, one of the tighter results in the category. Verified Amazon buyers back this up with a 4.4-star average across roughly 2,309 reviews, and Home Depot listing reviewers praised the learning behavior and energy savings.
- 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]
- 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], 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
- 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]
Matter support for the thermostat is terrific, but there's no support for the sensors. That's a huge miss. I have Starling, so I'll get support ...
The brightness is horrible. Even when I have it set to 100%, during the day it's still not that bright. · This one is hard to describe. · Unable ...
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“Google Nest Learning Thermostat (4th Gen) Review” · 6 Months Later
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