Google Nest 3rd Gen Thermostat
The Nest T3021US Learning Thermostat offers comprehensive smart home temperature control with impressive learning capabilities and seamless integration with Alexa and Google Assistant. While it might require some initial setup and occasional adjustments, its energy-saving features and user-friendly app make it a worthwhile investment for enhancing home comfort and efficiency.
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
A Abttvs | $56.70 | Feb 1, 2023, may have changed | Buy Now |
M My Store | $56.70 | Apr 13, 2023, may have changed | Buy Now |
A Abtaudios | $62.37 | Jan 26, 2023, may have changed | Buy Now |
 Best Buy 15-day returns (in store too) · free return shipping · free shipping on $35+ | $75.99 | Nov 1, 2026 | Buy Now |
S South Jersey Gas Marketplace | $79.00 | Aug 15, 2022, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026 to May 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 10 used & refurbished prices with ShopSavvy ProGet the app →Price history summary
Lowest new price we recorded at major retailers (Amazon, Walmart, Best Buy, Target, The Home Depot and Lowes) in the last 90 days: $75.99 at Best Buy on Aug 22, 2026.
Range over the last 12 months: $75.99 (Best Buy, Aug 22, 2026) to $208.00 (Amazon, Aug 17, 2026). The lowest current offer at these retailers, $75.99 at Best Buy, matches its 90-day low. Based on 5 recorded prices since May 28, 2026 for offers sold by these retailers themselves (not marketplace sellers). Summary as of Oct 15, 2026.
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Product Score
Calculated by ShopSavvy from the professional reviews and customer ratings we collected for this product.
Why this score?
The Nest T3021US Learning Thermostat earns a moderate score due to its appealing design and strong energy-saving capabilities, as praised in professional reviews for its learning functionality and ease of use. However, many customers report significant issues, particularly with connectivity, inconsistent performance, and inadequate support, leading to frustration and reliability concerns. While it remains a stylish option for smart home enthusiasts, potential buyers should weigh these drawbacks against its price.
Score
The Nest T3021US Learning Thermostat earns a moderate score due to its appealing design and strong energy-saving capabilities, as praised in professional reviews for its learning functionality and ease of use. However, many customers report significant issues, particularly with connectivity, inconsistent performance, and inadequate support, leading to frustration and reliability concerns. While it remains a stylish option for smart home enthusiasts, potential buyers should weigh these drawbacks against its price.
Pros
- •Intuitive learning capability adjusts temperature based on usage patterns.
- •Easy integration with smart devices such as Alexa and Google Assistant.
- •Remote control via the Nest app, offering convenience.
- •Energy-saving features that help reduce utility bills.
- •Advanced sensors for accurate temperature control.
- •Sleek and stylish design, available in Copper.
- •Farsight feature displays time and temperature when you walk by.
- •Easy installation with included instructions and level.
- •Users appreciate the energy history feature for monitoring past usage.
- •Consistent performance across different types of homes and HVAC systems.
Cons
- •Initial setup may require some troubleshooting for first-time users.
- •Some users reported needing to adjust settings frequently to maintain comfort.
- •Certain smart home integrations like with SimpliSafe are no longer supported.
- •Occasionally disconnects from Wi-Fi, requiring manual reconnection.
- •Eco mode minimum temperature can be too high for some users at 75°F.
- •Some users mentioned that the display can be hard to read from certain angles.
Bottom Line
The Nest T3021US Learning Thermostat offers comprehensive smart home temperature control with impressive learning capabilities and seamless integration with Alexa and Google Assistant. While it might require some initial setup and occasional adjustments, its energy-saving features and user-friendly app make it a worthwhile investment for enhancing home comfort and efficiency.
What Reviewers Are Saying
Common Questions
Why does my Nest Thermostat keep showing battery low warnings?Published 11 months ago
Why Your Nest Won't Stop Nagging You About the Battery If your Nest Learning Thermostat is constantly throwing "battery low" warnings at you, it's basically saying "Hey, I'm not getting enough power t...
Read full answerDo I need a C-wire to install the Nest Learning Thermostat?Published 11 months ago
Do You Really Need a C-Wire for Your Nest Thermostat? Here's the honest truth: most people don't need a C-wire for their Nest Learning Thermostat. I know that's probably not the definitive answer you ...
Read full answer📚More About Google Nest 3rd Gen Thermostat
Discussion
ShopSavvy compares prices across thousands of retailers so you always get the best deal. Prices are collected from retailer listings, and each one shows the date we last saw it. Our expert reviews and community discussion help you make informed buying decisions.