10 Best Smart Thermostats of 2025

Tested and Reviewed: Top 10 Smart Thermostats deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

meross

meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, 7x24h Scheduling, Energy Saving, C-Wire Required

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Editor's bottom line:

“This smart thermostats is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Before You Buy: Meross smart thermostat for home is suitable for 95% of HVAC systems, including heat pump, air conditioner, furnace, boiler, dehumidifier, humidifier. Not suitable for 110V/120V/240V electric baseboard heaters, millivolt thermostat and two wire sysytems. C wire is required for some wiring configurations, please check the compatibility before purchasing
Seamless Matter Integration: This wifi thermostat integrates locally with Mattercertified platforms such as Apple Home, Amazon Alexa, Google Home, Home assistant and Samsung SmartThingshelping save you time and reduce app overload
Smart Schedule: Set it and forget it! The 24/7 flexible schedule plans allow you to customize your heating and cooling routine, whether you are at home, away, or asleep. Stay comfortable while you're in, save energy when you're away. Track and manage your HVAC usage in the meross app to optimize resource conservation and lower your electrical bills .
On-the-Go Control: Easily monitor and control your thermostat for house via smart app at anywhere anytime
Smart Alerts: Stay informed about filter life, system malfunctions, and long-term operation. With meross wifi thermostat, you'll have peace of mind knowing that your HVAC system is functioning properly and cut down unnessary energy cost
Easy to Install: Set up your smart thermostat by following the step-by-step instructions in the meross app. If you need any help, feel free to reach out to meross customer service by phone, live chat, or email.
Sleek Modern Design: Meross wifi thermostats for home features a sleek glass panel in classic black or white. It Is ideal for any home decor, from minimalist, scandinavian to coastal, farmhouse, industrial, transitional and more

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Picked by 397 people today

9.5

ecobee

ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant

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Main Highlights

Save up to 23% every year on heating and cooling costs, adjusts to your set schedule to save energy when youre gone and optimize comfort when youre home. Compared to a hold of 72
Compatible with 85% of systems, check your systems compatibility with our online ecobee Compatibility Checker on the ecobee support page
Change your temperature by easily tapping the color touchscreen or using the ecobee app. Plus, free software upgrades ensure you get the best out of your Smart Thermostat Essential, for years to come
Automatically adjusts to your set schedule to save energy when youre gone and optimize comfort when youre home. Keep track of your energy consumption when you're on the go on the ecobee app
Easy DIY install. No C Wire, no problem. Get the ecobee Power Extender Kit (PEK) for homes without a C-Wire and keep your walls looking nice with our trim kit both sold separately
Works with leading smart home ecosystems. Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa
Works with most 24 VAC HVAC equipment: Gas, oil, electric, dual fuel, forced air Conventional (2H/1C or 1H/2C) Heat Pump (2H/1C) Boilers. You can check your systems compatibility with our online ecobee Compatibility Checker on the ecobee support page
Add in a SmartSensor which allows you to measure the temperature in rooms that matter most. It reads temperature and movement in whatever room it is placed in for complete home monitoring and energy savings (SmartSensor 2 pack sold separately)
Built in eco+ Smart Features: Indoor humidity detection, schedule assistant, time of use which preheats or precools your home when energy is less expensive to reduce energy use during peak hours

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9.5

Amazon

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

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Main Highlights

Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
Create comfort zones throughout your home by using select Echo devices or Amazon Smart Air Quality Monitor to automatically adjust heating and cooling based on temperature readings or presence detection.
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.
Automatic Control - Alexa can automatically switch between your preferred home, away, and sleep temperatures.
On-the-go control - Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.
You can do it - The Alexa app will guide you through the installation process, but customer service is always available.
Reliable - Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.
Create your Alexa+ home: With Alexa+, set routines using just your voice, control multiple devices at once, and chat casually to make requests.

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9.2

Google

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

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Main Highlights

ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Product note: You can also check your systems 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, youll need a C wire or other compatible power accessory. Lock feature: No
Nest Thermostat turns itself down when you leave, so you dont 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]
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
Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesnt seem right, along with helpful reminders to make maintenance easier[2]
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.
Control the temperature with your voice using smart home devices that work with Google Assistant or Alexa[3]
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

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9.0

Google

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

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Main Highlights

ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Connectivity : Wi-Fi - 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy Please refer to the product description section below for all applicable legal disclaimers.Product note: You can also check your systems compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page
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, youll need a C wire or other compatible power accessory
Nest Thermostat turns itself down when you leave, so you dont waste energy heating or cooling an empty home. Lock feature: No
Programmable thermostat that lets you create 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]
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
Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesnt seem right, along with helpful reminders to make maintenance easier[2]
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.
Connectivity : Wi-Fi - 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy
Please refer to the product description section below for all applicable legal disclaimers

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8.8

Emerson

Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55

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Main Highlights

PRIVACY PROTECTION*: Sensi wont sell your personal information to third parties
EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications
SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports
SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement
SIMPLE CONFIGURATION: Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you dont have to patch and paint your walls

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8.6

ecobee

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

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Main Highlights

Save up to 26% per year on heating and cooling costs. ENERGY STAR certified. Included SmartSensor (50 dollar value) prompts your thermostat to make temperature adjustments ensuring comfort. Compared to a hold of 72°F/22°C
Seamlessly connects to ecobee Smart Doorbell Camera (wired) for a live stream of your door and enables two-way talk from your smart thermostat
Compatible with 95% of systems. Check your systems 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 youll need for an easy DIY install
The built-in air quality monitor alerts you to poor air quality, provides tips on how to improve it, and reminds you when its time to change your furnaces air filter
Premium materials and advanced engineering mean a large, vibrant display with a cinematic interface, a timeless design, metal siding, and built-in radar technology for occupancy sensing and security
Comes with a smart speaker and your choice of Siri* or Alexa built in. Control your home using your voice and listen to your favorite Spotify playlists and podcasts through your thermostats speaker. *Apple home hub required to enable Siri
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
If a window or door is left open for 5 minutes ecobee will alert you and automatically pause your heating or cooling. SmartSensor for doors and windows and an ecobee Smart Security subscription required to access this feature

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8.3

Honeywell Home

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

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Main Highlights

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. Its your choice. 7-day scheduling programs your thermostat. Geofence technology helps make you comfortable by using your smartphones location to know when youre 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.
C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.
The T5 thermostat is ENERGY STAR certified and you can program it based on your schedule, or let it adapt to your life as plans change

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8.1

ecobee

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

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Main Highlights

Save up to 26% per year on heating and cooling costs Automatically adjusts the temperature when youre away to never heat or cool an empty home. Compared to a hold of 72°F
Compatible with 90% of systems so check your systems 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 youll need for an easy DIY install.
Built-in radar occupancy preheats or precools your home before you arrive so its the perfect temperature the moment you walk in. Automatically adjusts to your desired temperature when youre home or sleeping to keep you comfortable day and night.
Learns your temperature preferences and your schedule so your home is just the way you like it and automatically adjusts based on humidity.
Use your smart home platform and the ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple Watch.
Add ecobee SmartSensors which will detect which rooms are in use and adjust the temperature accordingly.
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
Hardwired so you never have to worry about losing control or replacing batteries. Compatible with 90% of systems.

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8.1

Emerson

Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"

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Main Highlights

PRIVACY PROTECTION*: Sensi wont sell your personal information to third parties
EASY DIY INSTALLATION: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation; Works with the HVAC equipment found in most homes. Common wire (c-wire) is required
SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports
SLEEK, MODERN DESIGN: The large color display features easy-to-read temperatures and intuitive menus. Available in black, white and silver to complement your home décor
CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices
SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement

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Our Best Overall Choice

Best Choice

9.7

meross

meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, 7x24h Scheduling, Energy Saving, C-Wire Required

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Before You Buy: Meross smart thermostat for home is suitable for 95% of HVAC systems, including heat pump, air conditioner, furnace, boiler, dehumidifier, humidifier. Not suitable for 110V/120V/240V electric baseboard heaters, millivolt thermostat and two wire sysytems. C wire is required for some wiring configurations, please check the compatibility before purchasing
Seamless Matter Integration: This wifi thermostat integrates locally with Mattercertified platforms such as Apple Home, Amazon Alexa, Google Home, Home assistant and Samsung SmartThingshelping save you time and reduce app overload
Smart Schedule: Set it and forget it! The 24/7 flexible schedule plans allow you to customize your heating and cooling routine, whether you are at home, away, or asleep. Stay comfortable while you're in, save energy when you're away. Track and manage your HVAC usage in the meross app to optimize resource conservation and lower your electrical bills .
On-the-Go Control: Easily monitor and control your thermostat for house via smart app at anywhere anytime
Smart Alerts: Stay informed about filter life, system malfunctions, and long-term operation. With meross wifi thermostat, you'll have peace of mind knowing that your HVAC system is functioning properly and cut down unnessary energy cost
Easy to Install: Set up your smart thermostat by following the step-by-step instructions in the meross app. If you need any help, feel free to reach out to meross customer service by phone, live chat, or email.
Sleek Modern Design: Meross wifi thermostats for home features a sleek glass panel in classic black or white. It Is ideal for any home decor, from minimalist, scandinavian to coastal, farmhouse, industrial, transitional and more

Show Price

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