9 Best Smart Thermostats with Alexa and Google Assistant for a Home in 2023

We all want our houses to have the optimal temperatures for sleep, working, exercise among other activities. However, what would be any better than having a thermostat which you can give directions with your voice. Therefore, in this article, we are reviewing the best smart thermostats for Alexa and Google assistant for your home or office.

A great smart thermostat will regulate the temperatures when you are at home and when you leave. This way you will not waste the energy when no one is in your home. In addition, it learns the temperatures that you love for different activities and times and thus sets the same temperatures when you are doing the same function.

For the exceptional ones, they will give you alerts when something goes amiss in the heating or cooling systems. This therefore will ensure that you can rest easy and let your thermostat work for you.

Best smart thermostats with Alexa and Google Assistant for a home

Smart thermostatBest forCheck it out
ecobee3 lite Smart Thermostat, BlackBest home smart thermostat for Google Assistant or AlexaCHECK IT OUT
Google Nest Learning Thermostat – Programmable Smart Thermostat for Home – 3rd Generation Nest Thermostat – Works with Alexa – Stainless SteelBest smart thermostat for Google homeCHECK IT OUT
ecobee4 Smart Thermostat with Built-In AlexaBest for built-in Alexa plus SensorCHECK IT OUT
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75Best budget smart thermostat for AlexaCHECK IT OUT
Honeywell TH9320WF5003 Wi-Fi 9000 Color Touch Screen Programmable Thermostat, 3.5 x 4.5 Inch, White, ‘Requires C Wire”Best smart thermosrat for ease in installationCHECK IT OUT
Bosch BCC100 Connected Control Smart Phone Wi-Fi Thermostat – Works with Alexa – Touch ScreenCompatible with gas and electric power HVAC systemsCHECK IT OUT
ecobee SmartThermostat Smart Thermostat Voice Control, BlackBest thermostat for easy controls CHECK IT OUT
Google Nest Thermostat – Smart Thermostat for Home – Programmable Wifi Thermostat – SnowBest budget smart thermostat for Google homeCHECK IT OUT

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready
Best 7 day programmable smart thermostatCHECK IT OUT

ecobee3 lite Smart Thermostat, Black

ecobee3 lite Smart Thermostat, Black: best smart thermostat for Alexa and Google assistant

If you are looking for the best smart thermostat for your home, then look no further. The ecobee3 lite Smart Thermostat is the best thermostat for compatibility with Alexa and Google Assistant in addition to having the best smart features.

You will fall in love with how you can control the devices with any iOS or Android device. This thus gives you remote control over your thermostat. The device will also seamlessly connect to your best router for smart homes and all other smart home devices.

Being an excellent smart device, the thermostat will enable you to save up to 23% on heating and cooling costs annually. Thus you can use the savings for things that matter in your life. It is compatible with a multi-speed fan.

When combined with a SmartSensor, the ecobee smart thermostat will ensure that your house does not have cold or hot spots. Your children among other family members will enjoy the optimal temperatures for their activities.

To ensure that you can easily see the settings on your thermostat, the ecobee3 touch screen smart thermostat will illuminate automatically when you are nearby. This will enable you to check and control the temperature and humidity to your liking. In addition, it will give you a 5-day weather forecast.

Finally, the device can form part of the ecobee smart hub. For these, you can get the ecobee smart haven. The haven connects to ecobee smoke detection raising the alarm in case of smoke while also giving you the ability to enter your home without passwords/ codes.


  • It’s aesthetically pleasing
  • Connects seamlessly to your smart home devices
  • Has exceptional temperature controls
  • Enables you to save up to 23% of annual energy costs
  • Has remote control using smartphones
  • Can be controlled using Alexa and Google Assistant
  • Compatible with SmartSensor
  • Very easy to install without an expert


  • Alexa and Google Assistant are not built-in
  • Connects to 2.4GHz Wi-Fi only rather than both 2.4GHz and 5GHz Wi-Fi

Google Nest Learning Thermostat – Programmable Smart Thermostat for Home – 3rd Generation Nest Thermostat – Works with Alexa

Google Nest Learning programmable smart thermostat: Best smart thermostat for Google Home and compatible with Alexa

For the best learning smart thermostat that works with both Google Home and Alexa, this is the device for you. The thermostat is able to learn your schedules and programs itself to ensure your comfort while also saving on energy.

When you are not at home, the Google Nest thermostat activates the Eco temperature mode. This ensures that your home is not heated or cooled when you and your family are not around. Moreover, you can see the Nest Leaf for the temperature settings that save energy.

What makes this device excellent is the remote control function using a laptop, smartphone or tablet. This way in case your other family members are at home and you are not, you can remotely regulate the temperature in your home.

The device offers you so much control and information. You can check the energy usage on your phone, and get an explanation of why it was used using the thermostat’s Energy history. alternatively, you can use the Quick View on your thermostat’s display for accessing Energy History, the settings introduced on your thermostat, or your temperature schedule.

The Google Nest learning thermostat has HVAC monitoring. The system gives you alerts in case your heating or cooling system goes amiss. The system also gives you reminders for maintenance.

Finally, the thermostat works with the Nest Temperature Sensor. The sensor ensures that there are no cold or hot areas in your home. This thus makes the temperatures of the children’s rooms optimal for their sleep and play.


  • Learns and programs your best temperatures for a great home experience
  • Saves 12% on heating bills and 15% on cooling bills
  • It is compatible with 95% of the heating and cooling systems
  • Compatible with Alexa and Google Home
  • Works with Nest Temperature Sensor to ensure there are no cold or hot areas in your home
  • Switches off when you are away to save on power
  • Alerts you when there is a challenge with the cooling or heating system
  • Gives you voice control with a compatible device


  • May become unreliable after a period

ecobee4 Smart Thermostat with Built-In Alexa

ecobee4 Smart Thermostat with Built-In Alexa: Best thermostat with built-in Alexa and smart sensor

When looking for the best complete package for temperature regulation and control for your home, this must be your pick. The ecobee4 smart thermostat offers exceptional performance, has Alexa built-in in addition to coming with a room SmartSensor.

The gadget will enable you to save up to 23% of the energy costs annually. This is because the device is able to keep the temperatures in the optimal range and switching off the cooling/ heating system when there is no one at home.

The Smart room sensors enable your home to have the optimal temperatures for your activities. To enable the best home environment, place the smart sensors in the rooms that matter the most. The sensor will ensure that when the room is occupied, the temperatures will be the best according to your recommendations.

The device is easy to install and manage. You will be able to install the ecobee4 thermostat yourself within 30 minutes using the installation guide and the in-app. The two offer step by step installation guide when everything required is availed. The box will have Power Extender Kit for homes where the common wire (C-wire) is not available.

This best smart thermostat for a home is compatible with all heating and cooling systems. These include Gas, oil, electric, dual-fuel, Conventional (2H/2C), Heat Pump (4H/2C), Humidifier, Dehumidifier, Ventilator, HRV, or ERV.

Having the ecobee mobile app will enable you to have remote control over the thermostat. The app is available for iOS (iPhone, iPad, Apple Watch) or Android devices. Furthermore, the thermostat works with Amazon Alexa, Apple Homekit, Samsung SmartThings, IFTTT among others.

One of the most important features is that the smart thermostat has built-in Alexa. This gives you voice control over the thermostat and other devices. Therefore, you can instruct the device to adjust the temperature, set a timer, or play music among other features.

The device however works with the 2.4GHz Wi-Fi only. It is compatible with routers and Wi-Fi on the ieee 802.11 b/g/n. This means it will work with all routers since even Wi-Fi 6 routers are backward compatible.


  • The thermostat comes with built-in Alexa
  • Comes with a room smart sensor
  • Offers remote control
  • Gives you exceptional savings on energy costs
  • Easy to set up


  • Operates only on 2.4GHz Wi-Fi
  • Customer service may be better

Emerson Sensi Touch ST75 Wi-Fi Smart Thermostat

Emerson Sensi Touch ST75 Smart Thermostat: The best budget smart thermostat for Alexa and Google assistant

Do you want the Editor’s choice of the best overall smart thermostat as featured on USA Today’s reviewed.com? Emerson Sensi Touch ST75 Wi-Fi Smart Thermostat is, and also features as the best-priced smart thermostat for your home.

The gadget enables you to save up to 23% on HVAC energy. This is achieved by flexible scheduling, geofencing, remote access among others. Therefore, your cooling and heating will give the most conducive environment for your home or office.

The gadget is also very easy to install. You will be up and running in 30 minutes. This is facilitated by a quick step by step installation guide. The device also can be set-up using the in-app for better service.

For your smart home applications, this smart thermostat works with Amazon Alexa, Apple HomeKit, Google Assistant, and Samsung SmathThings among others. The devices will synchronize with other smart devices for a smart home.

You will love the feature that enables monitoring the energy usage on the current day or on previous periods. This is available in the app and will enable you to make decisions about the heating and cooling systems.

In addition, you will be able to control the thermostat remotely using the Sensi mobile app for Android and iOS devices. This means you will move with the controls on your smartphone or tablet.

What I loved most about the Emerson Sensi Touch thermostat are the smart alerts. The device will send alerts when there are areas within your home that have very high or cold temperatures. The sensi will also alert you when the humidity is abnormal.


  • The device sends alerts when there is extreme temperatures or humidity
  • It is compatible with smart home systems
  • Emerson Sensi Touch can be controlled remotely
  • Helps you to make up to 23% in energy savings annually
  • It is easy to install and operate


  • Can become unreliable after a period of time
  • The customer service can be better

Choosing the best smart thermostat with Alexa and Google Assistant for your home

when thinking of the best smart thermostat for your home, one of the basic considerations should be compatibility with Alexa and Google Assistant. This will give you control over your connection. However, there are other important features to consider, including:

Compatibility with cooling and heating devices

When choosing the best smart thermostat for your home or office, you should make sure that it is compatible with your cooling or heating devices. This ensures that your home will get the optimal temperature when the thermostat is on.

All the smart thermostats reviewed in this article are compatible with at least 75% of the cooling and heating devices found in our homes.

Remote control

A good smart thermostat will give you the ability to control it remotely. This makes you arrive and find optimal temperatures when you get home. In addition, it makes it easy to control temperatures in your home when you are not around.

All the gadgets reviewed in this article offer remote control on the app and online.

Connection to Wi-Fi

The best smart thermostat for your home will have Wi-Fi connection capabilities. That is why they are smart. However, several thermostats can connect to different Wi-Fi frequencies and standards.

The best will at least connect to 2.4GHz Wi-Fi. Connection to both 2.4GHz and 5GHz Wi-Fi is an added plus since it is generally faster and more stable. Connection to Wi-Fi makes it easy to control and manage the thermostat.

Energy saving

Energy consumption in the summer or winter is quite high due to excessive use of fans, coolers, or heaters depending on the season. A good smart thermostat will ensure there is energy-saving through regulating the temperature to the optimal.

In addition, it will switch off the cooling or heating systems when there is no one in the house. This ensures that the cost of energy goes down as compared to non-smart thermostats.

Finally, some smart thermostats will learn your favorite temperatures and maintain them at that range while also saving on energy.


The choice of the best smart thermostat with Alexa or google assistant for your home or office is now easier when you follow the reviews and the buyer’s guide. The thermostat will ensure that you enjoy your time at home every time and season. It will also ensure that there are no cold or hot areas or rooms in your home.