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Smart Thermostat Comparison - April 2026
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 Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
Model
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
Model
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
Model
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
Model
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55
Model
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Model
Honeywell Home RTH8800WF2022, T5 WiFi Smart Thermostat, 7 Day-Programmable Touchscreen, Alexa Ready, Geofencing Technology, Energy Star, C-Wire Required
Brand
ecobee
Brand
ecobee
Brand
Google
Brand
ecobee
Brand
Emerson
Brand
Google
Brand
Honeywell Home
Reviews
9,612 reviews
Reviews
9,612 reviews
Reviews
83,523 reviews
Reviews
2,685 reviews
Reviews
65,748 reviews
Reviews
83,523 reviews
Reviews
3,492 reviews
Features
Easy installation
8.9
Easy installation
8.9
Easy installation
7.6
Easy installation
7.2
Easy installation
9.8
Easy installation
7.9
Easy installation
8.9
Temperature control
8.6
Temperature control
8.6
Temperature control
7.0
Temperature control
7.0
Temperature control
9.6
Temperature control
7.4
Temperature control
8.4
Integrate with alexa
8.9
Integrate with alexa
8.9
Integrate with alexa
7.2
Integrate with alexa
8.6
Integrate with alexa
9.3
Integrate with alexa
7.4
Integrate with alexa
7.7
Tech support
7.9
Tech support
7.9
Tech support
7.2
Tech support
7.6
Tech support
9.1
Tech support
7.9
Tech support
7.0
Intelligent features
8.9
Intelligent features
8.9
Intelligent features
7.0
Intelligent features
7.0
Intelligent features
8.9
Intelligent features
7.4
Intelligent features
8.6
Tech Specs
color
Black
color
Black
color
Snow
color
White
color
White
color
Charcoal
color
Black and White
controller type
Amazon Alexa, Android, Apple HomeKit, Google Assistant, iOS
controller type
Amazon Alexa, Android, Apple HomeKit, Google Assistant, iOS
controller type
Amazon Alexa, Android, Google Assistant, iOS, nest
controller type
Amazon Alexa, Android, Apple HomeKit, Google Assistant, iOS
controller type
Amazon Alexa, Google Assistant, SmartThings, Vera
controller type
Amazon Alexa, Android, Google Assistant, iOS, nest
controller type
Amazon Alexa, Android, Apple HomeKit, Google Assistant, iOS
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
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
9.7
1
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
Use your smart home platform and the ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch.
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
Learns your temperature preferences and your schedule so your home is just the way you like it and automatically adjusts based on humidity.
Hardwired so you never have to worry about losing control or replacing batteries. Compatible with 90% of systems.
Compatible with 90% of systems so check your system’s compatibility with our Compatibility Checker on the ecobee support page. The Power Extender Kit (PEK) and Trim Kit is included in the box with everything else you’ll need for an easy DIY install.
Built-in radar occupancy 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.
Add ecobee SmartSensors which will detect which rooms are in use and adjust the temperature accordingly.
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9.5
2
ecobee
13% Off
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
Use your smart home platform and the ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch.
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
Learns your temperature preferences and your schedule so your home is just the way you like it and automatically adjusts based on humidity.
Hardwired so you never have to worry about losing control or replacing batteries. Compatible with 90% of systems.
Compatible with 90% of systems so check your system’s compatibility with our Compatibility Checker on the ecobee support page. The Power Extender Kit (PEK) and Trim Kit is included in the box with everything else you’ll need for an easy DIY install.
Built-in radar occupancy 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.
Add ecobee SmartSensors which will detect which rooms are in use and adjust the temperature accordingly.
Show more
9.4
3
Google
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
7.6Easy installation
7.2integrate with Alexa
7.2Tech Support
Why we love it
Energy-efficient with smart scheduling.
Remote control via app or voice.
Easy installation without C-wire.
Main highlights
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
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]
Savings Finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app; check with your energy provider to learn more about rebates and more ways to save on a Nest thermostat
Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1]
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
Nest Renew makes it simple to support clean energy right from home; it works with your Nest Thermostat[5] to help you automatically prioritize your usage[6] to times when energy is cleaner or less expensive
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
Control the temperature with your voice using smart home devices that work with Google Assistant or Alexa[3]
Control Nest Thermostat with Google Home and other smart home platforms. Compatible with Google Assistant and all Matter-certified voice assistants. Voice control requires a compatible smart device.
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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
8.9 
9.7
1ecobee
Energy-efficient, saves up to 26% annually.
