Before studying smart homes, I always wonder there should be a smarter way to control home temperature. Now, I know there is; a smart thermostat.
To smarten up your home, the best smart thermostat for Alexa is a good place to start. It will prove as a brilliant investment for your home automation.
Smart home gadgets make it attainable to change settings and control them from your smartphone, whether you are at the grocery store, in the office, on a couch, or a vacation. Anywhere your phone is connected to the internet, you can control your smart devices.
Moreover, smart devices are also famous to reduce energy bills. One of the core purposes of developing smart devices is to reduce energy consumption smartly.
For example, with a smart thermostat, you can schedule the temperature. By doing this, your heating or cooling system will only run when it needs to be. If you forget to switch it off when you go to the office, your thermostat will automatically do itself, or you can use your smartphone to do it.
2. Overall Best: ECOBEE4 Alexa Compatible Smart Thermostat
3. Simple & Best: Google Nest Programmable Smart Wifi Thermostat
4. Old Yet Best: ECOBEE3 Smart Alexa Compatible Thermostat
5. Best Value: Google Nest Thermostat E Programmable Thermostat
6. Value For Money: Emerson Sensi Touch Wi-Fi Smart Thermostat
7. For Every Budget: iDevices Wi-Fi Thermostat Works with Amazon Alexa
I recommend Google T3007ES and Ecobee4 the most.
What are the best smart thermostats for Alexa?
Smart thermostats can learn your behavior and will set your home’s heating or cooling settings accordingly. This will ultimately reduce energy consumption, which will reduce the energy bills. Hence, you will get a comfortable home temperature by spending less money.
You can control your best smart thermostat by using your smartphone or any third-party voice assistant. For example, you can set an auto turn-on feature. So, whenever you return home, you only get the desired house temperature. You can change these settings from anywhere, anytime, with your smartphone.
Here are a few more qualities and benefits of the best thermostat for Alexa:
- It saves energy and money.
- Smart Thermostats intelligently heat and cool your home.
- Because of its wireless functionality, you can place it in any room in your house.
- Because of the built-in Alexa, you can control your smart thermostat by voice commands.
- Due to advanced sensors, the best smart thermostats for Alexa will not heat or cool the room if there is not any person in the room.
- The best smart device is which protects your privacy. So, the smart thermostat for Alexa should also protect your privacy and should have the option to turn off the voice assistant feature.
How do I rank these products?
There are many factors I have to test out before finalizing the list. It includes performance, price, ease of use, how much energy it can save, reliability, quality, features, and the user experience.
I have to test each model on these criteria, which takes time, but my ranking is most reliable for you, as I have worked and tested these models for hours. Usually, I rank number one as the product I love most and perform correctly for me.
The number one product is the one that fits my strict criteria.
Why should you trust me?
I have been researching smart homes and smart home devices for the last three years. In these 3 years, I have read hundreds of blogs, gone through tons of YouTube videos, and tested many smart gadgets. Now, I have an intense level of knowledge about it.
I am super confident about this guide, as this guide has already helped many users of SmartHousesTech. Go on and check the guide; you will only find unique products for yourself.
Best Smart Thermostat For Alexa in November 2025 – Reviews
After spending hours in research and reviewing, I only recommend these 7 best & top-rated Alexa compatible smart thermostats in 2025. Pick up one of these to save energy.
Here are our in-depth reviews of Best Smart Thermostat For Alexa in 2025.
1. Google T3007ES Nest Learning Thermostat 3rd Generation
- Brand: Google
- Product Weight: 1 pound
- Product Dimensions 3.3 x 3.3 x 1.21 inches
- Compatibility: Works with 95% of systems
- Programmable
- Check Energy History
- Learn itself
- Programs itself
- Nest Leaf Reward
- Home Away assist
- Easy Installation
First, I tried this thermostat, and I was amazed at how much it learned my habits and programmed itself accordingly.
It is a highly programmable thermostat that learns from your default settings, schedules, usage, and atmosphere. Its AI always looks for ways to save more and more energy. It offers you highly customizable schedules, and tweaks to save more energy. All this happens through its AI-integrated mobile app.
Now there is no shortage of energy-saving ways with this the best nest smart thermostat for Alexa.
Google Home app will let you control your T3007ES remotely. You can share it with your family members too, so they can also change its settings remotely.
By using the mobile app, you can change the temperature on the go. You can change temperature, create schedules, and adjust other settings. It will also show you the time to achieve your desired temperature.
You can always check how much energy you have saved in the energy history tab in the mobile app. It will also let you know when you used more energy. After regular checks, you can take action to reduce energy consumptions.
Its smart sensors collect data and your mobile location to check if you are at home or not. If you left the house, it will auto-start the Eco mode to save energy. With Eco-mode and highly effective schedules, you can save much energy.
Google T3007ES Nest Learning Thermostat regularly monitors your HVAC system. If something is not working well, it will notify you along with maintenance reminders.
It is also easy to control or operate manually. You can simply swipe the touch bar on its side to change the temperature or tap for settings.
It has a neat and simple design with a mirrored display that will look outstanding on every wall. Nest made T3007ES with a highly durable material that looks great and lasts longer. It comes in a multi-color range; so that you can pick a unique one for you according to your home decor.
Google Nest T3007ES can work with 95% of the heating and cooling system. It will not take you over 30 mins to fully install it. You need to hire a nest pro if you are not familiar with wires.
Its 95% compatibility, advanced learning algorithm, easy installation, and multi-color options make it the best thermostat for Alexa.
2. ECOBEE4 Alexa Compatible Smart Thermostat
- Brand: Ecobee
- Product Weight: 1.83 pounds
- Product Dimensions: 7.56 x 7.44 x 3.46 inches
- Programmable
- Easy to Install
- Comes with sensor
- Smart Home Compatible
- Control From Anywhere
ECOBEE believes in a sustainable world. They aim to create more and more products that help to shape a sustainable world. This is the reason multiple organizations and NGOs so that their product can be accessible to everyone.
ECOBEE4 is the latest and the best smart thermostat for Alexa. It arises with a room sensor that helps to make a comfortable environment in the entire home. It helps the unit to detect, manage, and balance the home temperature. You can also control the sensor from the mobile app.
I recommend placing the ECOBEE sensor in your most important room to create a more comfortable environment. The sensor will also detect whether or not you are at home. Once you leave the house, it will automatically reduce the temperature to save energy.
You can connect it with its mobile app to control it from anywhere, anytime. The mobile app is available for Android and IOS. The mobile app will let you adjust the temperature, create schedules, and change settings.
You can also control it with your voice commands with built-in Alexa. You can ask for weather, music, news, or anything else. There is a light over it that will assist you while communicating with Alexa. You can also integrate it with Apple HomeKit, Google Assistant, and Samsung SmartThings.
Compared with Ecobee3, Ecobee4 has more reliable sensors and better Alexa integration. Further, Ecobee4 includes extra terminals that will let you connect additional cooling and heating hardware.
With proper schedules and usage, you can save 23% energy annually with the ECOBEE4. Its smart home capability, high performance, durability, and great touch screen make it the best thermostat for Alexa.
I also mentioned it under Best Thermostat For SmartThings .
3. Google Nest Programmable Smart Wifi Thermostat
- Brand: Google
- Product Weight: 5 ounces
- Product Dimensions 3.31 x 3.31 x 1.07 inches
- Compatibility: Works with 85% of systems
- Programmable
- Check Energy History
- Learn itself
- Programs itself
- Nest Leaf Reward
- Home Away assist
- Easy Installation
Another Alexa-compatible smart thermostat from Google Nest. It has almost all the features of T3007ES with less compatibility and price.
This Google Nest is compatible with 85% of heating and cooling systems. It has an easy installation process, but I always recommend hiring a pro if you are not familiar with wires.
It has a unique, simple, and neat design which will become a part of every home. Just like T3007ES, they made this Google Nest smart thermostat of high-quality durable material that looks great and lasts longer.
It has advanced features like smart home compatibility, remote control, finding ways to save more energy, and energy history, and automatically adjusts itself to Eco mode when there is no one in the house. This is the reason it is the choicest smart thermostat for Alexa.
By using its mobile application, you can operate remotely, schedule tasks, adjust the temperature, and time to achieve the desired temperature level, change settings, check how much energy it has saved, and more. You can also share the controls with your family via a mobile app.
It is also easy to control or operate manually. You can simply swipe the touch bar on its side to change the temperature or tap for settings.
This Google thermostat regularly monitors your HVAC system. If something is not working well, it will notify you along with maintenance reminders.
I also reviewed it under the best Google Home compatible thermostat .
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4. ECOBEE3 Smart Alexa Compatible Thermostat
- Brand: Ecobee
- Product Weight: 1.83 pounds
- Product Dimensions: 4.29 x 4.29 x 1 inches
- Programmable
- Easy to Install
- Comes with sensor
- Smart Home Compatible
- Control From Anywhere
Ecobee3 has gotten huge positive feedback worldwide. With Ecobee you can save 23% of energy annually.
Ecobee3 arises among a room sensor that helps to make a comfortable environment in the entire home. It helps the unit to detect, manage, and balance the home temperature. You can also control the sensor from the mobile app.
Place the ECOBEE sensor in your most important room to create a more comfortable environment. The sensor will also detect whether you are at home. After leaving the house, it will automatically lower the temperature to save energy.
Because of smart home capability, you can connect it with the ECOBEE app to control it remotely. The mobile app is available for Android and IOS. The mobile app will let you adjust the temperature, create schedules, and change settings.
You can also control it with your voice commands with built-in Alexa. You can ask for weather, music, news, or anything else. There is a light over it that will assist you while communicating with Alexa. You can also integrate it with Apple HomeKit, Google Assistant, and Samsung SmartThings.
If you are only looking for the best smart thermostat for Alexa with no room sensor, I recommend having the Ecobee3 lite.
With Ecobee3 Lite, you will get all the features of Ecobee3 but without the smart sensor.
You can purchase and integrate the smart sensor later if you need it.
Check Ecobee3 Lite on Amazon
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5. Google Nest Thermostat E Programmable Thermostat
- Brand: Google
- Product Weight: 12.8 ounces
- Product Dimensions 6.46 x 4.88 x 2.32 inches
- Compatibility: Works with 85% of systems
- Programmable
- Check Energy History
- Learn itself
- Programs itself
- Nest Leaf Reward
- Home Away assist
- Easy Installation
It is one of the widely trusted and best valued Alexa-compatible smart thermostats worldwide. This Google Nest E has all the basic features along with the smart ones.
It is easy to use, easy to operate from everywhere, easy to install, an energy saver, and it is for everyone.
Nest E is compatible with 85% of the HVAC systems and has an easy installation procedure.
It has a unique, simple, and neat design which will become a part of every home. Google Nest E is made of high-quality durable material that looks great and lasts longer.
Planning to have a Nest thermostat? Adjust temperature to energy-saving and it will reward you with a leaf on your display.
It has advanced features like smart home compatibility, finding ways to save more energy, and energy history, and automatically adjusts itself to Eco mode when there is no one in the house. Just like previous nests, it is the choicest smart thermostat for Alexa.
It is also easy to control or operate manually. You can simply swipe the touch bar on its side to change the temperature or tap for settings.
This Google thermostat regularly monitors your HVAC system. If something is not working well, it will notify you along with maintenance reminders.
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6. Emerson Sensi Touch Wi-Fi Smart Thermostat
- Brand: Emerson Thermostats
- Product Weight: 2.08 ounces
- Product Dimensions 3.4 x 5.63 x 1.17 inches
- Programmable
- Easy to Install
- Smart Home Compatible
- Usage History
- Control From Anywhere
- Smart Alerts
- Circulating Fan
A widely trusted thermostat in the US and Canada. It has an easy-to-use touch screen, a unique design with a back glow, energy star certifications, and it works with most of the HVAC equipment.
A big screen will always let you know your current temperature, even from a distance. While backside glow will create a perfect soothing environment, especially at night. It is the best alternative smart thermostat for Alexa.
Emerson Sensi Touch Thermostat is compatible with the smart home, which means you can connect it with any third-party voice assistant and can access it remotely by its mobile app. This Emerson Sensi also works with Samsung SmartThings and Apple Home Kit.
By using the mobile application, you can fix the temperature, create a schedule, and change settings remotely. Because of Flexible schedules and remote access, you can save up to 23% energy annually.
With its mobile app, you will get extreme humidity and temperature level alerts. It will assist you in taking action on time.
It prevents building up mold and other air-born particles by circulating air, which aims to improve indoor air quality. It is the simplest, widely trusted, and the best thermostat for Alexa.
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7. iDevices Wi-Fi Thermostat Works with Amazon Alexa
- Brand: iDecies
- Product Weight: 9.6 ounces
- Product Dimensions: 5.12 x 0.8 x 3.35 inches
- Save Energy
- Easy to Install
- Smart Home Compatible
- Control From Anywhere
If you are not looking for any fancy feature but a simple smart thermostat, then this iDevice Wi-Fi thermostat is the best basic smart thermostat for Alexa and a perfect pick for you. This device looks like a traditional unit but has smart features.
You can connect it to the iDevice mobile application and with Amazon Alexa, Siri, or Google Assistant. The mobile application will let you control it remotely while because of voice assistant compatibility, you can control it with your voice commands.
It is compatible with most heating and cooling systems. It supports C-wire and 24VAC. Further, it comes with a 2-years of warranty, so buy it with confidence. It is one of the best budget smart thermostats for Alexa.
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FAQs About The Best Smart Thermostats For Alexa
Here are a few questions people ask while considering the top-rated smart thermostat for Alexa.
Can a smart thermostat save money?
With a smart thermostat, you can create a schedule according to your needs. In this way, it only uses electricity when it is needed the most.
Further, smart thermostats detect whether you are at home. If you are out of the house, it will automatically reduce the temperature or enable eco mode to save electricity.
Summarising: smart thermostats are intended to use less energy as much as possible by keeping temperatures low temperature as much possible. It is the reason they save energy.
How much can a smart thermostat save?
Several companies have been studying their users to generate a report on energy saving. Google Nest claims to reduce cooling costs by 15% and heating costs by 10% on average annually. While Ecobee claims to reduce 23% energy costs annually.
Do I need two smart thermostats?
If your house has multiple zones or stories, then you need multiple thermostats each for each zone. For example, if your residence is a two-story house, you need two smart thermostats.
Do smart thermostats require WiFi?
Smart gadgets need WiFi to operate with your smartphone and a third-party voice assistant. Hence, yes, a smart thermostat requires WiFi.
It will work without WiFi, but you cannot operate it with smartphone or voice commands. You have to come near to your device to change the temperature or settings manually.
Which Nest Thermostat Should I Buy?
What to consider while buying the best smart thermostat for Alexa?
Not all thermostats are designed and created equally. Some of them are used for light cooling and heating systems and provide basic planning and programming options. Some thermostats are produced for complicated multi-stage systems.
Here are some considerations while buying a top-rated Alexa compatible smart thermostat for your smart home:
Size of your House:
Heating or cooling any place directly depends on how bigger the place is. If your house is pretty big, then surely you will need a thermostat that takes care of the temperature of your house but also reduce the energy consumption; which is the root objective of it.
Remote Sensor:
If there is any room in your house that does not get as hot or cold as you would like, then you need a thermostat that has a remote sensor.
You can place that wireless sensor into that room and the best smart thermostat for Alexa will take care of the temperature in that room. Because of that sensor, it will also recognize the movement of any person. So it will not cool or heat that room to reduce energy usage.
Feature of the thermostat:
Some people set it a priority to get extra and advanced features. Smart devices enable you to get extra, modern, and smart features. Not every thermostat has equal and the same features. So consider the list of features while buying your best smart thermostat for Alexa.
The number one feature you need from these devices is setting up a schedule. So that you can get a comfortable house temperature whenever you come back home after the office.
The budget of yours:
Usually, smart devices are full of features. But extra features with the most excellent quality mean expensive! So, a smart device with the extra feature can be expensive.
Consider your budget and preferences while buying any smart device for your room. Usually, an Alexa-compatible smart thermostat for under $200 is sufficient for most consumers.
Installation of Thermostat:
Mostly, the best smart thermostat compatible with a voice assistant comes with a wireless installation experience, which makes them install quickly and easily. If you avoid being technical, then double-check the installation process while buying your thermostat.
If you are not comfortable with the installation of a device with wires, I recommend hiring a professional electrician to install your best thermostat for Alexa.
Design of Thermostat:
A smart home always has a smart design. Not even the house, every device or thing in the house has a unique design. You may like an intelligent thermostat, but maybe it cannot suit your home decor. So, consider the shape and design of the unit for your home as well.