The Top 10 Best Smart Thermostats
The Best Smart Thermostats Review in 2025
April 2025
Best Smart Thermostat
1
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready,…
10
Excellent
★★★★★
-28%
✔️ Personalized design to match your home décor
✔️ Save energy with utility rebates & demand response programs
✔️ Flexible programming for your schedule or peak rate pricing
✔️ Easy-to-use touchscreen & intuitive controls
✔️ Works with Alexa & Google Home for remote control
✔️ Save energy with utility rebates & demand response programs
✔️ Flexible programming for your schedule or peak rate pricing
✔️ Easy-to-use touchscreen & intuitive controls
✔️ Works with Alexa & Google Home for remote control
2
Google Nest Learning Thermostat – 3rd Gen (2015) – Programmable Smart Thermostat for Home – Works with Alexa -…
9.7
Excellent
★★★★★
-38%
✔️ Auto-Schedule learns and programs itself based on your preferences
✔️ Home/Away Assist saves energy by adjusting the temperature when you’re away
✔️ Remote control via the Nest app for convenience anytime, anywhere
✔️ Track your energy usage with Energy History to identify savings opportunities
✔️ Nest Leaf helps you choose energy-saving temperatures
✔️ Home/Away Assist saves energy by adjusting the temperature when you’re away
✔️ Remote control via the Nest app for convenience anytime, anywhere
✔️ Track your energy usage with Energy History to identify savings opportunities
✔️ Nest Leaf helps you choose energy-saving temperatures
3
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor – Programmable Wifi Thermostat – Works with…
9.4
Very Good
★★★★★
✔️ Save up to 26% annually on energy costs with ENERGY STAR certification and SmartSensor technology
✔️ Air quality monitor alerts you to poor air quality and reminds you to change your furnace’s air filter
✔️ Cinematic interface and advanced occupancy sensing for premium design and usability
✔️ Built-in smoke detection and security alerts keep your home safe when your system is armed (ecobee Smart Security plan required)
✔️ Voice control with Siri or Alexa, plus built-in smart speaker for music and podcasts through your thermostat
✔️ Air quality monitor alerts you to poor air quality and reminds you to change your furnace’s air filter
✔️ Cinematic interface and advanced occupancy sensing for premium design and usability
✔️ Built-in smoke detection and security alerts keep your home safe when your system is armed (ecobee Smart Security plan required)
✔️ Voice control with Siri or Alexa, plus built-in smart speaker for music and podcasts through your thermostat
4
Google Nest Thermostat – Smart Thermostat for Home – Programmable Wifi Thermostat – Charcoal
9.3
Very Good
★★★★★
-21%
✔️ ENERGY STAR certified, helps save energy and maintain comfort in your home
✔️ Smart scheduling through the Google Home app, with energy-saving suggestions via Savings Finder
✔️ Remote control from your phone, laptop, or tablet, for easy adjustments from anywhere
✔️ HVAC system monitoring alerts you to potential issues and provides maintenance reminders
✔️ Compatible with Google Assistant and other Matter-certified voice assistants for voice control
✔️ Smart scheduling through the Google Home app, with energy-saving suggestions via Savings Finder
✔️ Remote control from your phone, laptop, or tablet, for easy adjustments from anywhere
✔️ HVAC system monitoring alerts you to potential issues and provides maintenance reminders
✔️ Compatible with Google Assistant and other Matter-certified voice assistants for voice control
5
Amazon Smart Thermostat – Save money and energy – Works with Alexa and Ring – C-wire required
9
Very Good
★★★★★
✔️ Easy upgrade from traditional thermostats, helping to reduce energy usage with Alexa integration
✔️ Supports temperature sensors, like Echo devices and Amazon Smart Air Quality Monitor, to address hot or cold spots
✔️ Save money with potential rebates from energy providers, plus an average of $50 savings annually on energy bills
✔️ Automatic control with Alexa switching between home, away, and sleep temperatures for comfort and savings
✔️ Reliable technology from Honeywell Home, backed by over 130 years of expertise in thermostat technology
✔️ Supports temperature sensors, like Echo devices and Amazon Smart Air Quality Monitor, to address hot or cold spots
✔️ Save money with potential rebates from energy providers, plus an average of $50 savings annually on energy bills
✔️ Automatic control with Alexa switching between home, away, and sleep temperatures for comfort and savings
✔️ Reliable technology from Honeywell Home, backed by over 130 years of expertise in thermostat technology
6
ecobee Smart Thermostat Enhanced – Programmable Wifi Thermostat – Works with Siri, Alexa, Google Assistant – Energy…
8.9
Good
★★★★☆
-14%
✔️ Save up to 26% annually on heating and cooling costs with ENERGY STAR certification and automatic temperature adjustments
✔️ Enjoy perfect comfort with preheating or precooling, so your home is always the ideal temperature upon arrival
✔️ Simple installation – most users install in under 45 minutes with everything included, or use the ecobee app and smart home platforms for easy control
✔️ Durable design built to last over a decade, hardwired for consistent performance, with dedicated 7-day support
✔️ Enhanced energy savings with SmartSensors to monitor temperature and movement in key rooms like the bedroom or nursery (sold separately)
✔️ Enjoy perfect comfort with preheating or precooling, so your home is always the ideal temperature upon arrival
✔️ Simple installation – most users install in under 45 minutes with everything included, or use the ecobee app and smart home platforms for easy control
✔️ Durable design built to last over a decade, hardwired for consistent performance, with dedicated 7-day support
✔️ Enhanced energy savings with SmartSensors to monitor temperature and movement in key rooms like the bedroom or nursery (sold separately)
7
Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required
8.8
Good
★★★★☆
✔️ Refurbished and certified – The Like-New Amazon Smart Thermostat is thoroughly tested to work and look like new, backed by the same limited warranty
✔️ Save money and energy – ENERGY STAR certified, saving an average of $50 per year on heating and cooling costs
✔️ Automatic comfort – Alexa automatically adjusts your home’s temperature for optimal comfort, keeping your home at the perfect temperature
✔️ Easy control from anywhere – Use the Alexa app to control your thermostat remotely or let Alexa adjust it for you
✔️ Temperature sensors support – Pair with Echo devices and the Amazon Smart Air Quality Monitor to monitor and address hot or cold spots in your home
✔️ Save money and energy – ENERGY STAR certified, saving an average of $50 per year on heating and cooling costs
✔️ Automatic comfort – Alexa automatically adjusts your home’s temperature for optimal comfort, keeping your home at the perfect temperature
✔️ Easy control from anywhere – Use the Alexa app to control your thermostat remotely or let Alexa adjust it for you
✔️ Temperature sensors support – Pair with Echo devices and the Amazon Smart Air Quality Monitor to monitor and address hot or cold spots in your home
8
Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required
8.8
Good
★★★★☆
✔️ Refurbished and certified – The Like-New Amazon Smart Thermostat is thoroughly tested to work and look like new, backed by the same limited warranty
✔️ Save money and energy – ENERGY STAR certified, saving an average of $50 per year on heating and cooling costs
✔️ Automatic comfort – Alexa automatically adjusts your home’s temperature for optimal comfort, keeping your home at the perfect temperature
✔️ Easy control from anywhere – Use the Alexa app to control your thermostat remotely or let Alexa adjust it for you
✔️ Temperature sensors support – Pair with Echo devices and the Amazon Smart Air Quality Monitor to monitor and address hot or cold spots in your home
✔️ Save money and energy – ENERGY STAR certified, saving an average of $50 per year on heating and cooling costs
✔️ Automatic comfort – Alexa automatically adjusts your home’s temperature for optimal comfort, keeping your home at the perfect temperature
✔️ Easy control from anywhere – Use the Alexa app to control your thermostat remotely or let Alexa adjust it for you
✔️ Temperature sensors support – Pair with Echo devices and the Amazon Smart Air Quality Monitor to monitor and address hot or cold spots in your home
9
Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat
8.2
Good
★★★★☆
-16%
✔️ ENERGY STAR certified – Track usage, get personalized tips, and save energy with monthly reports and efficiency insights
✔️ Get rebates & rewards – Check for local energy provider rebates and join demand response programs for potential savings
✔️ Smart home ready – Works with Alexa, Google Assistant, Microsoft Cortana, and more for hands-free control
✔️ User-friendly design – Features a large backlit digital display and simple controls for easy daily use
✔️ Remote access & flexible programming – Control from anywhere using the Total Connect Comfort or Resideo app with 7-day scheduling
✔️ Get rebates & rewards – Check for local energy provider rebates and join demand response programs for potential savings
✔️ Smart home ready – Works with Alexa, Google Assistant, Microsoft Cortana, and more for hands-free control
✔️ User-friendly design – Features a large backlit digital display and simple controls for easy daily use
✔️ Remote access & flexible programming – Control from anywhere using the Total Connect Comfort or Resideo app with 7-day scheduling
10
Upgraded Digital Non-Programmable Thermostat for Home 1 Heat/1 Cool Single Stage System, with Temperature & Humidity…
8.1
Good
★★★★☆
✔️ Simple, reliable comfort – Non-programmable thermostat with single-stage heating & cooling; ideal for basic HVAC setups
✔️ Wide compatibility – Works with gas/oil/electric furnaces, ventilation, and air conditioning (not for heat pumps or multistage systems)
✔️ Easy-to-read display – Large digital screen with blue backlight and big characters, perfect for seniors or low-light conditions
✔️ Humidity + temp monitor – Built-in sensor keeps you aware of both temperature and humidity changes for better comfort
✔️ Hassle-free installation – Dual-powered by 24VAC or 2 AAA batteries, no C-wire needed, with compressor delay protection & battery alert
✔️ Wide compatibility – Works with gas/oil/electric furnaces, ventilation, and air conditioning (not for heat pumps or multistage systems)
✔️ Easy-to-read display – Large digital screen with blue backlight and big characters, perfect for seniors or low-light conditions
✔️ Humidity + temp monitor – Built-in sensor keeps you aware of both temperature and humidity changes for better comfort
✔️ Hassle-free installation – Dual-powered by 24VAC or 2 AAA batteries, no C-wire needed, with compressor delay protection & battery alert
Top 10 Smart Thermostats Compared: Features & Performance
Compare Features
Programmable
Compatibility
C-Wire Required
Smart Home Integrations
Programmable
Yes, 7-day schedule Compatibility
95% of HVAC systems C-Wire Required
Yes Smart Home Integrations
Amazon Alexa, Google Assistant, IFTTT, iOS, Android 
Programmable
Yes, with auto-scheduling Compatibility
95% of HVAC systems C-Wire Required
No Smart Home Integrations
Amazon Alexa, Google Assistant, Nest 
Programmable
Yes, 7-day schedule Compatibility
95% of HVAC systems C-Wire Required
No Smart Home Integrations
Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android 
Programmable
Yes, 7-day schedule Compatibility
95% of HVAC systems C-Wire Required
No Smart Home Integrations
Amazon Alexa, Google Assistant, iOS, Android, Nest 
Programmable
Yes, with auto-scheduling Compatibility
95% of HVAC systems C-Wire Required
NoSmart Home Integrations
Amazon Alexa 
Programmable
Yes, with auto-scheduling Compatibility
95% of HVAC systems C-Wire Required
Yes Smart Home Integrations
Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android 
Programmable
Yes, with auto-scheduling Compatibility
Most 24V HVAC systems C-Wire Required
Yes Smart Home Integrations
Amazon Alexa 
Programmable
Yes, with auto-scheduling Compatibility
Ecobee Thermostat C-Wire Required
No Smart Home Integrations
Ecobee Thermostat 
Programmable
Yes, 7-day schedule Compatibility
95% of HVAC systems C-Wire Required
Yes Smart Home Integrations
Amazon Alexa, Google Assistant, IFTTT, iOS, Android 
Programmable
No Compatibility
Most 24V HVAC systems C-Wire Required
No Smart Home Integrations
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The Top 10 Best Smart Thermostats
Which is the Best Smart Thermostats
As smart home technology continues to evolve, smart thermostats have become a must-have for those looking to optimize home comfort and save on energy bills. In 2025, the market offers a wide range of options, each promising advanced features, intuitive controls, and the ability to learn your preferences. But with so many choices available, which one should you choose?
In this guide, we’ll review the best smart thermostats of 2025, covering everything from energy-saving modes and voice control to compatibility with other smart devices. Whether you’re upgrading your old thermostat or installing a smart system for the first time, we’ve got the insights you need to make an informed decision and create the perfect home climate.
Let’s dive into best smart thermostats Shows of the year and find out which one is the perfect fit for your needs.
Editor’s Choice: Our Top 3 Smart Thermostats Picks
Buyer’s Guide
Choosing the right product can feel overwhelming with so many options available. That’s why our team does the hard work for you. We spend hours researching and analyzing every product, comparing the top choices in each category. Our top pick is carefully selected based on what matters most to our readers, current bestsellers, and data-driven insights. We make it easy for you to find the best option—all in one place
Our Top 3 Smart Thermostats Picks
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