Which Is the Best Smart Thermostat?

21 minutes read

Determining the "best" smart thermostat can depend on various factors like compatibility with your HVAC system, preferred features, budget, and ecosystem (such as Google Assistant, Alexa, or Apple HomeKit) integration. However, several models often come up as top choices in reviews due to their features, ease of use, and energy-saving capabilities. The Google Nest Learning Thermostat is known for its sleek design and the ability to learn and adapt to your schedule to optimize heating and cooling. The Ecobee SmartThermostat with voice control is praised for its room sensor feature, allowing it to manage hot or cold spots effectively. It also integrates well with multiple smart home systems and includes Alexa built-in. Honeywell's T9 Smart Thermostat offers reliable performance with room sensors to detect temperature and occupancy, and it works with many smart home integrations. When choosing a smart thermostat, consider features like learning capabilities, remote sensors, energy reports, and compatibility with your existing smart home devices to ensure you select the best model for your needs.

Best Smart Thermostats for Houses of February 2025

1
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home

Rating is 5 out of 5

ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home

  • Save up to 26% per year on heating and cooling costs. ENERGY STAR certified. Automatically adjusts the temperature when you’re away to never heat or cool an empty home. Compared to a hold of 72°F.
  • Enjoy comfort without compromise. Smart Thermostat Enhanced preheats or precools your home before you arrive, so it’s the perfect temperature the moment you walk in. Automatically adjusts to your desired temperature when you’re home or sleeping to keep you comfortable day and night. Adjusts the temperature to account for humidity so your home always feels like the temperature you’ve set.
  • Easy to install and use every day, ecobee Smart Thermostat Enhanced comes with everything you need for installation. Most people install it themselves in about 45 minutes or less. Use your smart home platform and the ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch.
  • ecobee Smart Thermostat Enhanced is made with quality materials and designed to last on your wall for over a decade. It’s hardwired so you never have to worry about losing control or replacing batteries. If you run into problems, our dedicated support team is available 7 days a week.
2
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant

Rating is 4.9 out of 5

ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant

  • Save up to 26% per year on heating and cooling costs. ENERGY STAR certified. Included SmartSensor (50 dollar value) adjusts the temperature in the rooms that matter most to reduce hot or cold spots to keep you comfortable. Compared to a hold of 72°F.
  • Built-in air quality monitor alerts you to poor air quality, provides tips on how to improve it, and reminds you when it’s time to change your furnace’s air filter.
  • Premium materials and advanced engineering mean a large, vibrant display with a cinematic interface, a timeless design, and next level occupancy sensing.
  • ecobee Smart Thermostat Premium is a complete home monitoring hub that includes built-in smoke alarm detection and alerts to possible break-ins when your system is armed. Get notifications during sudden temperature drops that could cause damage. ecobee Smart Security plan required
  • Comes with a smart speaker and your choice of Siri or Alexa Built-in. Control your home using the power of your voice and listen to your favorite Spotify playlists and podcast through your thermostat’s speaker. Apple home hub required to enable Siri on Smart Thermostat Premium
3
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow

Rating is 4.8 out of 5

Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow

  • ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page.Connectivity Protocol : ‎Wi-Fi.Connectivity Protocol : ‎Wi-Fi
  • The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory. Lock feature: No
  • Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home; easily program an energy efficient schedule in the Google home app on your Android or iPhone
  • Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1]
4
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required

Rating is 4.7 out of 5

Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required

  • Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
  • Supports temperature sensors - use compatible Echo devices (Echo Dot (4th and 5th gen), Echo Dot with clock (5th gen)), and the Amazon Smart Air Quality Monitor as temperature sensors to address hot or cold spots in your home.
  • Save money - After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above.
  • Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.
5
Google Nest Thermostat E - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa,White

Rating is 4.6 out of 5

Google Nest Thermostat E - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa,White

  • Programmable smart thermostat that learns the temperatures you like and programs itself to help you save energy and stay comfortable; start with a simple schedule and easily adjust it whenever you like in the Nest app
  • Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home. Connectivity requirements-Wi-Fi internet connection, Phone or tablet running iOS or Android, Nest app
  • Remote control lets family members change the temperature on this smart thermostat from anywhere using a phone, laptop, or tablet[1]
  • The Nest Thermostat E has HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]
  • Works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
6
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - White

Rating is 4.5 out of 5

Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - White

  • Programmable smart thermostat that learns your schedule and the temperatures you like and programs itself to help you save energy and stay comfortable
  • Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home; remote control lets you change the temperature from anywhere on your phone, laptop, or tablet[1]
  • With Energy History, just check your phone to see how much energy you used and why, or use Quick View on the display to reach Energy History, settings, or your schedule; the Nest Leaf appears when you choose a temperature that saves energy
  • Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]
  • The Nest Learning Thermostat works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
  • Beautifully designed, with polished metal finishes and bright, high resolution display; Farsight shows you the temperature, weather, or time on your thermostat when you walk in the room
7
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray

Rating is 4.4 out of 5

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray

  • Compatible with: Alexa, SmartThings, Google Home, IFTTT.Central Air Conditioning : Yes. Heat Pump with Auxiliary heat. Yes..WiFi Specifications : 802.11b, 802.11g, 802.11n, 2.4GHz range.
  • Check to see If your new thermostat qualifies for a utility rebate; Auto-updates for daylight savings; adjusts for 12/24-hour and multi-language needs
  • Customizable touchscreen in full Color with easy to read numbers and text, view your local weather including indoor and outdoor relative humidity levels
8
Honeywell Home RTH8800WF2022, T5 WiFi Smart Thermostat, 7 Day-Programmable Touchscreen, Alexa Ready, Geofencing Technology, Energy Star, C-Wire Required

Rating is 4.3 out of 5

Honeywell Home RTH8800WF2022, T5 WiFi Smart Thermostat, 7 Day-Programmable Touchscreen, Alexa Ready, Geofencing Technology, Energy Star, C-Wire Required

  • High use of the scheduling feature of the T5 thermostat saved customers between 8 and 16% on heating and cooling bills. Dollar savings range based on nationwide average annual single-family detached home's heat and cooling bills; actual savings varies based on consumption.
  • Save Energy and Get Rewarded. Check with your energy provider about available energy savings rebates to save on your purchase. Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
  • 7-Day Flexible Scheduling or Location Based Temperature Control. It’s your choice. 7-day scheduling programs your thermostat. Geofence technology helps make you comfortable by using your smartphone’s location to know when you’re away and when you return.
  • Auto Home and Away Mode. Enjoy ideal temperatures at home, then save when away.
  • ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.


How to pair a smart thermostat with voice assistants like Alexa or Google Assistant?

Pairing a smart thermostat with voice assistants like Alexa or Google Assistant can enhance your home automation experience, allowing you to control your thermostat with simple voice commands. Here's a general guide to pairing your smart thermostat with these voice assistants:

Pairing with Amazon Alexa:

  1. Install the Thermostat App: Ensure that your smart thermostat is installed and set up using the manufacturer's app (e.g., Nest, Ecobee, Honeywell, etc.).
  2. Enable Alexa Skill: Open the Alexa app on your smartphone. Tap the "More" button or the menu icon (three lines) and select "Skills & Games." Search for your thermostat's skill (e.g., "Nest," "Ecobee"). Tap on the correct skill and select "Enable to Use."
  3. Log In and Authorize: Enter your account credentials for the thermostat manufacturer. Follow the instructions to authorize Alexa to access your thermostat.
  4. Discover Devices: Once the skill is enabled, Alexa should automatically start discovering devices. If not, say "Alexa, discover devices" or manually go to the Devices tab, select the "+" icon, and choose "Add Device."
  5. Assign to a Group (Optional): You can add your thermostat to specific groups or rooms for better organization and control.

Pairing with Google Assistant:

  1. Install the Thermostat App: Ensure that your smart thermostat is installed and set up using the manufacturer's app.
  2. Set Up Google Home: Open the Google Home app on your smartphone.
  3. Link Accounts: Tap the "+" icon to add a device. Choose "Set up device" and then "Works with Google." Search for your thermostat brand (e.g., Nest, Ecobee) and select it. Follow the prompts to log in to your thermostat account and authorize Google to access your thermostat.
  4. Assign Devices to Rooms: Once connected, you can assign your thermostat to a specific room for easy management and commands.
  5. Test Commands: Try using voice commands like "Hey Google, set the [thermostat name] to 72 degrees" to ensure everything is working properly.

Tips:

  • Wi-Fi Connection: Ensure your smart thermostat is connected to a stable Wi-Fi network for optimal performance.
  • Update Apps: Make sure all apps (Alexa, Google Home, thermostat app) are updated to the latest version to avoid compatibility issues.
  • Voice Commands: Familiarize yourself with the basic and advanced voice commands supported by your smart thermostat for improved usability.


If you encounter issues, consult the support documentation for your specific thermostat model, as setup procedures can vary slightly between different manufacturers.


How to maintain a smart thermostat for optimal performance?

Maintaining a smart thermostat is essential for ensuring its optimal performance and efficiency in managing your home's climate. Here are some tips to help you keep your smart thermostat in top condition:

  1. Regular Software Updates: Ensure that your thermostat is always running the latest firmware. Manufacturers often release updates to improve performance, add new features, and fix bugs.
  2. Check Wi-Fi Connectivity: A stable Wi-Fi connection is crucial for your smart thermostat to function correctly, especially for remote control and receiving updates. Check your internet connection regularly and troubleshoot any connectivity issues.
  3. Keep Sensors Clean: Dust and debris can affect the sensors of your smart thermostat. Gently clean the display and any vents or sensors using a soft, dry cloth.
  4. Calibrate When Necessary: Sometimes, thermostats can show incorrect temperatures. If you notice any discrepancies, recalibrate the thermostat according to the manufacturer's instructions.
  5. Check Compatibility with HVAC Systems: Ensure that your smart thermostat is compatible with your HVAC system, particularly after any system upgrades. Some models require specific wiring or setups.
  6. Configure Appropriate Settings: Optimize the thermostat settings based on your schedule and preferences. Use features like geofencing, scheduling, and learning algorithms to maximize energy savings.
  7. Change Batteries Regularly: If your thermostat uses batteries, check them regularly and replace them as needed to avoid interruptions in service.
  8. Review and Adjust Settings Seasonally: As seasons change, review your heating and cooling schedules to ensure they match your current comfort needs. This can help improve efficiency and comfort.
  9. Monitor Energy Reports: Many smart thermostats provide energy usage reports. Review these reports to understand your patterns and make adjustments to save energy.
  10. Consult the Manual: Refer to the user manual for specific maintenance tips and troubleshooting steps tailored to your model.
  11. Professional Maintenance: Occasionally, have a professional check your entire HVAC system to ensure optimal operation, which in turn supports the efficiency of your thermostat.


By following these maintenance tips, you can enhance the performance of your smart thermostat and contribute to energy savings and comfort in your home.


What are the top brands of smart thermostats?

As of the latest data, some of the top brands in the smart thermostat market are:

  1. Nest (Google Nest): Known for its sleek design and user-friendly interface, Nest thermostats offer features like learning your schedule, remote control via app, and energy-saving capabilities.
  2. Ecobee: Offers smart thermostats that come with features like voice control (some models have Alexa built-in), remote sensors for optimizing temperature in various rooms, and energy-saving settings.
  3. Honeywell Home (Resideo): Honeywell Home offers a range of smart thermostats that cater to different needs, including models with Wi-Fi connectivity, smart learning features, and compatibility with various smart home systems.
  4. Emerson Sensi: Known for being budget-friendly and easy to install, Sensi thermostats offer app-based control, smart home compatibility, and energy usage reports.
  5. Wyze: A newer entrant, Wyze offers a cost-effective smart thermostat with features such as scheduling, usage tracking, and integration with other Wyze smart home devices.


These brands are consistently noted for their reliability, ease of use, and integration with smart home ecosystems. When selecting a smart thermostat, it’s important to consider compatibility with your HVAC system and integration with your existing smart home devices.


What is the difference between Nest and Ecobee thermostats?

Both Nest and Ecobee are popular brands of smart thermostats, and while they have many similarities, they also have several distinct differences. Here’s a comparison based on various aspects:

  1. Design and Aesthetics: Nest: Known for its minimalist design, the Nest thermostat features a round shape with a rotating outer dial and a simple interface. The display typically lights up when it detects motion in a room, showing the current temperature and other relevant information. Ecobee: Ecobee thermostats have a more rectangular shape with a touchscreen display. The design is also sleek, but it tends to offer more options directly on the screen, which some users may find more functional.
  2. User Interface and Control: Nest: Offers a more simplified user interface with most controls accessible through the dial and its mobile app. It is regarded for its intuitive use of machine learning and predictive scheduling. Ecobee: Provides a more robust on-device control experience with its touchscreen interface. The mobile app also allows for extensive control, similar to Nest.
  3. Smart Features: Nest: Utilizes learning algorithms to adapt to your schedule automatically, eventually programming itself based on your daily routines. It also integrates well with Google Assistant and other Google services. Ecobee: Includes a feature called "Ecobee SmartSensor" that can detect both temperature and occupancy, allowing for more precise control, especially in larger homes. Moreover, Ecobee has strong integration with Apple HomeKit, Amazon Alexa, and other smart home ecosystems.
  4. Room Sensors: Nest: The Nest system does not come with room sensors, although newer versions such as Nest Thermostat E can support additional sensors. Ecobee: Comes with remote sensors that help manage temperatures in different rooms, improving comfort by balancing temperatures throughout a home.
  5. Installation and Compatibility: Both systems are relatively easy to install and come with detailed guides, but compatibility with various HVAC systems can vary. It’s important for users to check compatibility with their heating and cooling systems.
  6. Energy Saving and Reporting: Nest: Uses its learning capabilities to optimize energy use and gives users reports on their energy usage trends. Ecobee: Also focuses on energy efficiency with detailed HomeIQ reports, providing insights into your energy savings and home temperatures.
  7. Voice Control: Nest: Integrates seamlessly with Google Assistant and also works with Alexa. Ecobee: Has built-in support for Amazon Alexa, and offers compatibility with other smart home systems like Apple HomeKit and Google Assistant.


Overall, the choice between Nest and Ecobee can often come down to personal preference, particularly with regard to design, the smart home ecosystem you are already invested in, and specific features like room sensors.

Facebook Twitter LinkedIn Whatsapp Pocket

Related Posts:

A smart thermostat is an advanced version of a traditional thermostat that can be programmed and controlled remotely via a smartphone, tablet, or computer. It is designed to manage a home’s heating, ventilation, and air conditioning (HVAC) system more efficien...
Smart locks do not necessarily require Wi-Fi to function, but their specific capabilities and features depend on the type of smart lock in use. Basic smart locks often utilize Bluetooth technology to connect directly to a user's smartphone, allowing the do...
As of the latest information available, some of the best smart locks combine convenience, security, and technological integration. The August Wi-Fi Smart Lock is noted for its easy installation and compatibility with popular voice assistants like Alexa, Google...