20 Best Smart Thermostats [2024]

Are you looking for the best smart thermostats? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling smart thermostats.

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1 Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
2 Ecobee3 Lite SmartThermostat, Black Ecobee3 Lite SmartThermostat, Black
3 Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy... Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy...
4 Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified,... Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star...
5 ecobee SmartThermostat with Voice Control , Black ecobee SmartThermostat with Voice Control , Black
6 Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest... Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest...
7 Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable Touchscreen Alexa Ready... Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable Touchscreen Alexa...
8 Wyze Programmable Smart WiFi Thermostat for Home with App Control, Energy Saving, Easy Installation,... Wyze Programmable Smart WiFi Thermostat for Home with App Control, Energy Saving, Easy...
9 EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy... EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa,...
10 Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy... Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa,...
11 Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy... Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen,...
12 Smart Thermostat Installation - 2 Thermostats Smart Thermostat Installation - 2 Thermostats
13 ecobee3 Smart Thermostat & 3 Room Sensors, Compatible with Alexa (Renewed) ecobee3 Smart Thermostat & 3 Room Sensors, Compatible with Alexa (Renewed)
14 Honeywell Home T9 WiFi Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and... Honeywell Home T9 WiFi Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and...
15 Honeywell Home T9 WiFi Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and... Honeywell Home T9 WiFi Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and...
16 Google Nest Thermostat E - Smart Thermostat + Google Nest Temperature Sensor Bundle - White Google Nest Thermostat E - Smart Thermostat + Google Nest Temperature Sensor Bundle - White
17 Vine Smart WiFi 7day/8period Programmable Thermostat Model TJ-225B, New Gerneration, Compatible with... Vine Smart WiFi 7day/8period Programmable Thermostat Model TJ-225B, New Gerneration, Compatible...
18 Vine Smart Wifi 7day/8period Programmable Thermostat Model TJ-225, Compatible with Alexa and Google... Vine Smart Wifi 7day/8period Programmable Thermostat Model TJ-225, Compatible with Alexa and...
19 Sensi Touch Smart Thermostat by Emerson with Touchscreen Color Display, Programmable, Wi-Fi, Mobile... Sensi Touch Smart Thermostat by Emerson with Touchscreen Color Display, Programmable, Wi-Fi,...
20 Vine Wi-Fi 7day & 8 Period Programmable Smart Home Thermostat - Wi-Fi TJ-919E, Compatible with Alexa... Vine Wi-Fi 7day & 8 Period Programmable Smart Home Thermostat - Wi-Fi TJ-919E, Compatible with...
SaleBestseller No. 1
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...
  • 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,...
  • 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...
  • 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...
SaleBestseller No. 2
Ecobee3 Lite SmartThermostat, Black
  • Save up to 23% annually on heating and cooling costs (compared to a hold of 72°F)
  • Control from anywhere using your Android or iOS device
  • Add SmartSensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most
  • Automatically pauses your heating or cooling when a door or window is left open (requires ecobee SmartSensor for doors and windows and a Smart...
  • PLAYS WELL WITH OTHERS: ecobee3 lite works with your favorite smart home setups, including Apple HomeKit, Amazon Alexa, Google Assistant, Microsoft...
SaleBestseller No. 3
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy...
  • COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.
  • SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase (use rebate finder...
  • YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility company’s peak rate pricing.
  • EASY OPERATION AND INTUITIVE. Bright, easy-to-read touchscreen makes for simple operation.
  • COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard...
Bestseller No. 4
Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified,...
  • PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties
  • SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling,...
  • 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...
  • SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your...
  • SIMPLE CONFIGURATION: Looks and feels like a thermostat. Has buttons and fits the same space as a traditional thermostat so you don’t have to patch...
SaleBestseller No. 5
ecobee SmartThermostat with Voice Control , Black
  • Save up to 26% annually on heating and cooling costs (compared to a hold of 72°F).INSTALLATION: Easily install it yourself in 45 minutes or less with...
  • Included SmartSensor extends comfort to your most important rooms
  • Comes with Siri and Alexa Built-in for calls, music, and added control (Apple HomePod mini required to enable Siri)
  • Automatically pauses your heating or cooling when a door or window is left open (requires ecobee SmartSensor for doors and windows and a Smart...
  • Integrates seamlessly with your preferred smart home system. Compatibility: Gas, Oil, Electric, Dual-fuel, Conventional (2H/2C), Heat Pump (4H/2C),...
SaleBestseller No. 6
Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest...
  • No more programming: With Auto-Schedule, the Google Nest Learning Thermostat learns from you and programs itself.
  • Home/Away Assist: don't heat or cool an empty home. Home/Away Assist adjusts the temperature after you leave.
  • Remote control: Control your thermostat from anywhere using the Nest app.
  • Know more, save more Check your Energy History to see how much energy you use and why.
  • Look for the Leaf: The Nest Leaf appears when you choose a temperature that saves energy.
SaleBestseller No. 7
Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable Touchscreen Alexa Ready...
  • ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use
  • Save Energy and Get Rewarded by checking with your energy provider about available energy savings rebates to save on your purchase (rebate finder link...
  • 7-Day Flexible Scheduling or Location Based Temperature control (GeoFencing)
  • The T5 Smart thermostat is fully compatible with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT, Cortana and other ecosystems
  • Adaptive recovery learns how long it takes to achieve the right temperature at the right time and automatically runs your system to get to your...
SaleBestseller No. 8
Wyze Programmable Smart WiFi Thermostat for Home with App Control, Energy Saving, Easy Installation,...
  • Easy DIY installation: Step-by-step guided installation in the Wyze app (less than 30 min). Work with 90% home systems, C-wire adapter included for...
  • Control from the app: You can control the temperature from your phone no matter where you are, or turn it off when you are away; Keep pets comfortable...
  • Works with voice assistants: Adjust the thermostat with your voice by asking Alexa or Google assistant.
  • 7-Day scheduling: Create schedules for Home, Sleep, and Away for every day so you don’t have to keep going back and forth to your thermostat.
  • Usage tracking with insights: Like an energy-saving gnome inside your phone, the Wyze app will recommend actionable insights based on your usage to...
SaleBestseller No. 9
EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy...
  • PRIVACY PROTECTION*: Sensi won’t 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...
  • SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling,...
  • 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...
SaleBestseller No. 10
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy...
  • PRIVACY PROTECTION*: Sensi won’t 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...
  • SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling,...
  • SLEEK, MODERN DESIGN: The large color display features easy-to-read temperatures and intuitive menus. Available in black, white and silver to...
  • CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices
Bestseller No. 11
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy...
  • Compatible with: Amazon Alexa, SmartThings, Google Home, IFTTT
  • 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...
  • Flexible programming options available based your home or small business schedule, or based on your utility ; s peak rate pricing through their demand...
  • Receive intelligent alerts like air filter change reminders, humidifier pad replacement reminders, high/low temperature warnings, and status of...
Bestseller No. 12
Smart Thermostat Installation - 2 Thermostats
  • Disconnect your current thermostat
  • Wire your smart thermostat to power and your HVAC system
  • Build an energy-saving schedule
  • Configure your device to work with Alexa (Alexa device sold separately)
Bestseller No. 13
ecobee3 Smart Thermostat & 3 Room Sensors, Compatible with Alexa (Renewed)
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • ROOM SENSORS: your ecobee3 comes with 3 room sensors which measure temperature and occupancy allowing you to manage hot or cold spots and achieve the...
  • SAVE MONEY: ecobee uses advance sensing, external weather data, and learns your HVAC system to save you up to 23% on your heating and cooling bills*...
  • EASY INSTALL: installation takes approximately 30 min and we provide in-app guided videos to make it easy. No c-wire, no problem – use the power...
  • WORKS WITH YOUR SMARTHOME: Amazon Alexa, Google Assistant, Apple HomeKit, Microsoft Cortana, Samsung SmartThings, Wink, IFTTT – ecobee3 works with...
SaleBestseller No. 14
Honeywell Home T9 WiFi Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and...
  • ENERGY STAR CERTIFIED. See your energy use in the Monthly Energy Report, and help save even more with a schedule that adapts to your lifestyle, and by...
  • AUTO HOME AND AWAY MODE. Adjust your thermostat from anywhere with your mobile device, or let your home automatically react to your schedule with...
  • MULTI-ROOM FOCUS. Add Smart Room Sensors to focus the temperature on multiple rooms for comfort where it matters to you. (Sensors sold separately)....
  • COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard...
  • SMARTER, SIMPLER SETUP. Everything you need comes in the box, including a power adapter so that the T9 works in most homes. The T9 intuitively...
SaleBestseller No. 15
Honeywell Home T9 WiFi Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and...
  • SAVE MONEY AND ENERGY. Adjust your ENERGY STAR certified thermostat from anywhere with your mobile device, or let your home automatically react to...
  • LIVE AND SLEEP SMARTER. Choose the temperature in a specific room, like the bedroom, to be exactly what you want it to be, to help get a better...
  • AMAZING SENSOR RANGE. The battery powered Smart Room Sensors utilize unique Honeywell Home technology to deliver an efficient signal up to 200 ft...
  • MULTI-ROOM FOCUS. Don’t be forced to choose one room over another, the T9 Smart Thermostat can handle multiple rooms to focus on (requires sensors).
  • CONTROL IT YOUR WAY. Control the T9 using the Resideo app or through Amazon Alexa, Apple HomeKit, Google Assistant, and more.
Bestseller No. 16
Google Nest Thermostat E - Smart Thermostat + Google Nest Temperature Sensor Bundle - White
  • The Programmable smart thermostat that learns the temperatures you like and programs itself to help you save energy and stay comfortable
  • The sensor tells the thermostat what the temperature is in the room where it’s placed and the thermostat uses that reading to control when the...
  • Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home. Compatibility-Combi...
  • Remote control lets family members change the temperature on this smart thermostat from anywhere using a phone, laptop, or tablet [1]
  • The Nest Leaf appears when you choose a temperature that saves energy; with Energy History, just check your phone to see how much energy you used and...
SaleBestseller No. 17
Vine Smart WiFi 7day/8period Programmable Thermostat Model TJ-225B, New Gerneration, Compatible with...
  • 【REMOTE CONTROL WITH VARIOUS DEVICES】. Compatible with Amazon Alexa , Google assistant , also you can control from your phone or laptop with smart...
  • 【EASY INSTALLATION,QUICK SETTING,EASY OPERATION】. Most customers can finish the installation within 30 minutes and be familiar with the operation...
  • 【COMPATIBLE WITH MOST HVAC AND C WIRED REQUIRED】.Works with 90% HVAC in the market,but require C wires for power source. For 2 wire system, user...
  • 【CONSISTANT MONEY-SAVING FOR YOUR FAMILY】 . Vine thermostat helps you save over 20% cost on HVAC expense(Data get from the Xing...
  • 【PROGRAMMABLE AND NIGHTLIGH】.You could use TJ-225B to create an energy efficient schedule in thermostat and the VINE APP on your phone, as well as...
Bestseller No. 18
Vine Smart Wifi 7day/8period Programmable Thermostat Model TJ-225, Compatible with Alexa and Google...
  • 【REMOTE CONTROL WITH VARIOUS DEVICES】. Compatible with Amazon Alexa , Google assistant , also you can control from your phone or laptop with smart...
  • 【EASY INSTALLATION,QUICK SETTING,EASY OPERATION】. Most customers can finish the installation within 30 minutes and be familiar with the operation...
  • 【COMPATIBLE WITH MOST HVAC AND C WIRED REQUIRED】.Works with 90% HVAC in the market,but require C wires for power source. For 2 wire system, user...
  • 【CONSISTANT MONEY-SAVING FOR YOUR FAMILY】 . Vine thermostat helps you save over 20% cost on HVAC expense(Data get from the Xing...
  • 【PROGRAMMABLE AND NIGHTLIGH】.You could use TJ-225 to create an energy efficient schedule in thermostat and the VINE APP on your phone, as well as...
SaleBestseller No. 19
Sensi Touch Smart Thermostat by Emerson with Touchscreen Color Display, Programmable, Wi-Fi, Mobile...
  • PRIVACY PROTECTION*: Sensi won’t 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...
  • SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling,...
  • SLEEK, MODERN DESIGN: The large color display features easy-to-read temperatures and intuitive menus. Available in black, white and silver to...
  • CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices
Bestseller No. 20
Vine Wi-Fi 7day & 8 Period Programmable Smart Home Thermostat - Wi-Fi TJ-919E, Compatible with Alexa...
  • 【UPGRATED INTERNET CONNECTION WITH HIGH-END CHIP】.The fifth generatioin have the most stable connection cause it has the high-end chip.
  • 【REMOTE CONTROL WITH VARIOUS DEVICES】. Compatible with Amazon Alexa , Google assistant , also you can control from your phone or laptop with smart...
  • 【EASY INSTALLATION,QUICK SETTING,EASY OPERATION】. Most customers can finish the installation within 30 minutes and be familiar with the operation...
  • 【CONSISTANT MONEY-SAVING FOR YOUR FAMILY】 . Vine thermostat helps you save over 20% cost on HVAC expense(Data get from the Xing...
  • 【PROGRAMMABLE AND NIGHTLIGH】.You could use TJ-919E to create an energy efficient schedule in thermostat and the VINE APP on your phone, as well as...

Having trouble finding a great smart thermostats?

This problem is well understood by us because we have gone through the entire smart thermostats research process ourselves, which is why we have put together a comprehensive list of the best smart thermostatss available in the market today.

After hours of searching and using all the models on the market, we have found the best smart thermostats for 2023. See our ranking below!

How Do You Buy The Best Smart Thermostats?

Do you get stressed out thinking about shopping for a great smart thermostats? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching smart thermostats, which is why we have assembled a comprehensive list of the greatest smart thermostats available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for smart thermostats that you consider buying. Your questions might include the following:

  • Is it worth buying an smart thermostats?
  • What benefits are there with buying an smart thermostats?
  • What factors deserve consideration when shopping for an effective smart thermostats?
  • Why is it crucial to invest in any smart thermostats, much less the best one?
  • Which smart thermostats are good in the current market?
  • Where can you find information like this about smart thermostats?

We’re convinced that you likely have far more questions than just these regarding smart thermostats, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for smart thermostats, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible smart thermostats. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an smart thermostats buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available smart thermostats currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of smart thermostats has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an smart thermostats?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your smart thermostats.
  5. Customer Ratings: Number ratings grade smart thermostats objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their smart thermostats.
  7. Product Quality: You don’t always get what you pay for with an smart thermostats, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an smart thermostats is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining smart thermostats information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding smart thermostats is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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