12 Of The Best Smart Thermostats For Alexa

By Amit Chowdhry • Dec 20, 2019

Looking for the best smart thermostats for Alexa? You have come to the right place

If you have an Amazon Alexa device, then you might be interested in buying a compatible smart thermostat so you can control the temperature of your home remotely. Here is an overview of the best smart thermostats with Amazon Alexa.

Nest Learning Thermostat T3008US

The Nest Learning T3008US is the third-generation learning thermostat made by Nest, which was thinner and sleeker than its predecessors. It lights up when you start walking up to the device. And the T3008US shows you the time and temperature from across the room.

For those of you who are handy, it takes about half an hour to install. And Nest devices are known for helping its users cut down on their bills by over $100 per year.

Nest Learning Thermostat T3021US

The T3021US is a smart thermostat that learns the temperatures you like and can turn itself down while you are away. And the T3021US has a large and sharp display.

Some of the best features built into the T3021US include auto-scheduling, Wi-Fi compatibility (change the temperature from your phone, tablet or laptop),  Energy Saving (Nest Leaf appears when you choose a temperature that saves energy), Smart Thermostat (learns how to keep the house warm despite changes in the weather), and Home/Away Assist (automatically turns temperature down while you are away to avoid heating or cooling an empty home).

For those of you who are handy, it takes about half an hour to install. And Nest devices are known for helping its users cut down on their bills by over $100 per year.


The ecobee4 is able to listen to voice commands and respond with Alexa built-in. You can have the ecobee4  set a timer, read the news, adjust the temperature, etc. Plus it works with other Alexa Devices by supporting ESP so that only the device that is closest to you responds to commands.

And the ecobee4 comes with a room sensor that helps manage hot or cold spots in the home thus delivering comfort in the rooms that matter.

The ecobee4  is able to sense occupancy and automatically enable the right mode energy savings when it senses no one is home.

It takes about 30 minutes to install the ecobee4 using the installation guide and an in-app step-by-step walkthrough.

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Honeywell Home T9

The Honeywell Home T9 features a Monthly Energy Report that shows you how much energy was used. And you can save even more with a schedule that adapts to your lifestyle and by connecting with your utility efficiency program. You can also adjust your thermostat from anywhere with your mobile device or let your home automatically react to your schedule with geofencing. Plus you can add smart room sensors to focus the temperature on multiple rooms for comfort where it matters.

And the T9 also intelligently learns your home’s heating and cooling patterns in order to deliver the right temperature at the right time. Then it sends you filter and temperature alerts.

When you connect your Honeywell Home account with your utility, you can earn rewards each season for your energy efficiency.

Bosch BCC100

The Bosch BCC100 easily controls your home temperature with your voice as you communicate with the Amazon Alexa smart device. And the full-color 5-inch display thermostat touchscreen automatically turns on and off while you are away from home.

Plus the Bosch BCC100 features both comfort setting and intuitive scheduling to make it easy for you to choose a temperature for different times of the day without having to worry about the home getting too hot or too cold. And you can access the main screen and set up the thermostat from any smartphone or tablet.

It’s worth mentioning that a C-wire (common wire) is required to power the unit. Two-wire systems are not supported.

Honeywell TH9320WF5003

The Honeywell TH9320WF5003 supports remote access to the thermostat through a computer, tablet or smartphone with Honeywell’s Total Connect Comfort Service. And apps are available for tablet and smartphones.

Some of the other specifications include Energy Savings mode, 7-day easy programming, custom display with on-screen comfort information, and a five-year limited warranty.

Emerson Sensi Touch ST75

The Emerson Sensi Touch ST75 lets you remotely access, change or program your home temperatures anytime any anywhere. It was designed to work with HVAC equipment in most homes in the U.S. and Canada. And the Sensi mobile app guides you through each step of the DIY installation process. Plus a common wire (c-wire) is required.

After the Sensi thermostat is running, you can let your location automatically adjust your temperature settings with geofencing or use the intuitive controls to create a custom schedule in order to save about 23% on your HVAC energy usage. You can set, lower or raise your home temperature with simple voice commands using Alexa or control the Sensi thermostat using Siri on your iPhone or iPad.

Plus you can get utility rebates in your area through the rebate finder.

Google T4000ES (Nest Thermostat E)

The Nest Thermostat E has a simple design with a new frosted display that blends into the background. You can use the Nest app to change the temperature remotely.

Plus there is a Home/Away Assist that turns itself down after you leave so you do not have to waste energy heating or cooling an empty home. The Energy History feature shows you how much energy you use and why.

Emerson Sensi ST55

The Emerson Sensi ST55 makes it easy to remotely control and schedule your temperature. And the Emerson Sensi thermostat does not require a common wire (c-wire) for most installations so it is compatible with the HVAC equipment in many homes in the U.S. & Canada. The c-wire is required for heat-only, cool-only, heat pump (without aux) systems, and for use with Apple HomeKit.

With the Emerson Sensi ST55, you can use location-based temperature control with geofencing or create a custom heating and cooling schedules with the flexible 7-day scheduling option with the ENERGY STAR certified Sensi thermostat. Plus with the energy-saving features, you save about 23% on your HVAC energy usage so you can save money without compromising your comfort.

The Sensi integrates directly with Amazon Alexa, Apple HomeKit, Google Assistant, and Wink home automation platforms. And you can connect to Amazon Alexa to control your home temperature with simple voice commands or just ask Siri to set, raise or lower your home temperature while using Sensi with Apple HomeKit. 

Plus the Sensi also features smart alerts to help detect extreme temperature and humidity levels in your home.

Vine Smart TJ-919

The Vine Smart TJ-919 has a sleek and modern design that show clear images. And the Vine Smart TJ-919 features ultra-flexible 7-Day and 8-period settings. And it is compatible with Amazon Alexa and Google Assistant. Plus you can control it from your phone, tablet or laptop with smart Vine App.

Bosch Connected BCC50

The Bosch Connected Control BCC50 thermostat is compatible with most 24VAC heating and cooling equipment to help you save energy and money. And you can easily control your home’s temperature from the interface using the 5 back-lit touch buttons. Plus you can control the Bosch Connected Control smartphone app or your voice with the Bosch Connected Control Alexa Smart Home Skill and your Alexa-enabled smart devices.

And the Bosch Connected Control BCC50 Thermostat blends into any room by automatically turning off the backlit touch buttons when it is not in use and displays only the essential temperature information on the screen.

Plus the Bosch Connected Control app allows you to remotely control all of your thermostat’s settings. And it also allows you to adjust your schedule while on-the-go or set it to vacation mode to save energy while you’re away.

There are filter reminders so you can get alerts when it is time to replace the system air filter. And it is programmable with up to 4 preset or user-defined schedules to help you save energy and money.

Note: it is compatible with majority of HVAC systems (C-WIRE REQUIRED)

Honeywell Home RTH6580WF

The Honeywell Home RTH6580WF features 7-day programming with 4 program periods per day — which can be configured to meet nearly any scheduling scenario. And the Honeywell Home RTH6580WF Wi-Fi-enabled thermostat allows remote access through a smartphone or computer.

You can view the local weather from the web portal or app (Wink App Ready and the Wink Hub is not required).

Inside of the box is the thermostat, a wall plate (attached to thermostat), screws and anchors, a Quick Start Guide, a thermostat ID Card, wire labels, a User Guide, a Quick Reference Card, and G Wire Jumper Cable.