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Smart Thermostat Comparison - August 2025
Overview: Not sure which smart thermostat is right for you? Check out our comparison page to help you make a decision. We compare the top brands on the market to help you find the perfect match for your needs.
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant
Model
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
Model
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Model
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Model
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
Brand
ecobee
Brand
ecobee
Brand
Amazon
Brand
Google
Brand
ecobee
Reviews
6,975 reviews
Reviews
5,970 reviews
Reviews
68,058 reviews
Reviews
23,403 reviews
Reviews
-
Features
Temperature control
9.9
Temperature control
8.6
Temperature control
8.4
Temperature control
7.4
Temperature control
7.0
Easy installation
9.1
Easy installation
8.9
Easy installation
8.9
Easy installation
7.9
Easy installation
7.4
Integrate with alexa
9.9
Integrate with alexa
8.9
Integrate with alexa
8.6
Integrate with alexa
7.4
Integrate with alexa
7.0
Intelligent features
8.9
Intelligent features
8.9
Intelligent features
8.1
Intelligent features
7.4
Intelligent features
7.0
User interface
9.1
User interface
8.9
User interface
8.4
User interface
7.4
User interface
7.0
Tech support
9.6
Tech support
7.9
Tech support
7.6
Tech support
7.9
Tech support
7.0
Tech Specs
color
Black
color
Black
color
-
color
Charcoal
color
White
controller type
Apple HomeKit, Google Assistant, Amazon Alexa, iOS, Android
controller type
Apple HomeKit, Google Assistant, Amazon Alexa, iOS, Android
controller type
-
controller type
Google Assistant, Amazon Alexa, nest, iOS, Android
controller type
Apple HomeKit, Google Assistant, Amazon Alexa, iOS, Android
special feature
Wired Smart Thermostat, Siri, Amazon Alexa
special feature
Wired Smart Thermostat
special feature
-
special feature
Programmable
special feature
Temperature Display, Auto-Scheduling, Auto-Away Mode, Fan Control, Programmable
included components
ecobee Smart Thermostat Premium, ecobee SmartSensor, Backplate, Wire labels, Screws & drywall plays plugs, power extender kit for sysytems without a c-wire , trim plate, and quick start guide
included components
ecobee Smart Thermostat Enhanced, Backplate, Wire labels, Screws & drywall plays plugs, power extender kit for sysytems without a c-wire , trim plate, and quick start guide
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1
ecobee
ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant
9.9Temperature control
9.9integrate with Alexa
9.6Tech Support
Why we love it
Easy installation with clear instructions.
Smart sensor optimizes room comfort.
Integrated voice control with Alexa and Siri.
Main highlights
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
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.
Premium materials and advanced engineering mean a large, vibrant display with a cinematic interface, a timeless design, and next level occupancy sensing.
If a window or door is left open for 5 minutes ecobee will alert you and automatically pause your heating or cooling, saving you money while helping the environment. SmartSensor for doors and windows and an ecobee Smart Security subscription required to access this feature
Compatible with most 24VAC HVAC systems: furnaces, ACs (2H/2C), heat pumps (2H/2C + 2 stage AUX), boilers, PTACs, and fan coil units (3 fan speeds). Includes Power Extender Kit for C-Wire-less homes, ensuring easy installation.
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
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.
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9.6
2
ecobee
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
8.9Easy installation
8.9integrate with Alexa
8.9Intelligent Features
Why we love it
Energy-efficient, saves up to 26% annually.
Compatible with major smart home systems.
User-friendly interface with remote control.
Main highlights
Works with most 24 VAC HVAC equipment: Gas, oil, electric, dual fuel, forced air Conventional (2H/2C) Heat Pump (3H/2C), & Boilers. Includes Power Extender Kit for homes without a C or Common Wire, to ensure an easy installation
Save up to 26% per year on heating and cooling costs Automatically adjusts the temperature when you’re away to never heat or cool an empty home. Compared to a hold of 72°F
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
Hardwired so you never have to worry about losing control or replacing batteries
Easy to install and use every day, Power Extender Kit for homes without a C-Wire. Use your smart home platform and the Ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch
Compatible with 90% of systems
Automatically adjusts the temperature to account for humidity so your home always feels like the temperature you’ve set
Add in a SmartSensor which allows you to measure the temperature in rooms that matter most.
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9.4
3
Amazon
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
8.9Easy installation
8.6integrate with Alexa
8.4Temperature control
Why we love it
Easy installation with Alexa guidance.
Energy-saving features reduce bills.
Integrates seamlessly with Alexa and Ring.
Main highlights
You can do it - The Alexa app will guide you through the installation process, but customer service is always available.
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.
Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
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.
Reliable - Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.
On-the-go control - Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.
Automatic Control - Alexa can automatically switch between your preferred home, away, and sleep temperatures.
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Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria. While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
Advertising Disclosure
9.9 
9.8
1ecobee
Easy installation with clear instructions.
