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10 Best Alexa Smart Thermostat 2025 in the United States

#1

Winner

9.9 score

Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Works with Alexa, Apple HomeKit and Google Home App - Polished Obsidian

The Google Nest Learning Thermostat (4th Gen) is a smart thermostat designed to help you save energy and maintain home comfort with minimal effort. It supports most common heating and cooling systems and often does not require a C wire, making installation straightforward for many homes. The setup process is user-friendly, and it includes useful components such as the Nest Temperature Sensor for managing room-specific temperatures.

Rating
9.9
Chosen by1,111
Voice Control
Energy Savings
Ease of Installation

Most important from
1079 reviews

Voice Control
Voice control through Alexa and the Google Home app offers seamless, convenient remote access and hands-free operation.
Energy Savings
Adaptive learning intelligently adjusts the temperature based on your habits, creating a comfortable environment while optimizing energy use.
Ease of Installation
Installation and setup are incredibly simple, making it one of the easiest smart thermostats to get up and running quickly.
User Interface
The user-friendly app interface makes scheduling, monitoring energy usage, and temperature adjustments straightforward and accessible.
Integration with Other Smart Devices
This thermostat integrates smoothly with other smart home devices, enhancing overall home automation and comfort.
#2
9.8 score

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

The Google Nest Thermostat is a smart choice for those looking to manage their home’s temperature efficiently. It is ENERGY STAR certified, meaning it is designed to save energy and money. Compatibility is a strong point as it works with most heating and cooling systems, although some setups may require a C wire. An online compatibility checker is available to confirm if it will work with your specific system.

Rating
9.8
Compatibility
Energy Savings
Ease of Installation

Most important from
14925 reviews

Compatibility
Despite being highly rated, the thermostat can struggle with connectivity issues, especially with Alexa, leading to frequent disconnections and the need for manual resets.
Energy Savings
The energy-saving capabilities of the Google Nest Thermostat optimize energy consumption by adjusting temperatures based on occupancy and usage patterns.
Ease of Installation
Installation may require a C wire for certain features to function properly, but grounding it to an electric box can be a workaround.
User Interface
The user interface is intuitive and easy to navigate, with a sleek design and clear display that provides relevant information at a glance.
Remote Access
Controlling the thermostat through the mobile app is convenient and straightforward, allowing for remote adjustments.
#3
9.7 score

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

The ecobee Smart Thermostat Premium is a top-notch option in the Alexa-smart-thermostat category, offering robust compatibility and voice control with Siri, Alexa, and Google Assistant. Its ability to save up to 26% annually on heating and cooling costs, along with its ENERGY STAR certification, makes it an attractive choice for energy-conscious users. The included SmartSensor helps to eliminate hot or cold spots in your home, ensuring a more comfortable environment.

Rating
9.7
Compatibility
Ease of Installation
User Interface

Most important from
3415 reviews

Compatibility
The installation process was straightforward, with easy-to-follow instructions and compatibility checks on the website.
Ease of Installation
The installation process was straightforward, with easy-to-follow instructions and compatibility checks on the website.
User Interface
Using the ecobee app to control the thermostat remotely is incredibly convenient and user-friendly.
Integration with Other Smart Devices
Despite some initial setup challenges, the ecobee thermostat integrates well with smart home systems like Siri and Alexa, enhancing overall functionality.
Remote Access
Using the ecobee app to control the thermostat remotely is incredibly convenient and user-friendly.

Top 10 Best Alexa Smart Thermostat 2025 in the United States

#1

Winner

9.9 score

Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Works with Alexa, Apple HomeKit and Google Home App - Polished Obsidian

Compatibility: common heating and cooling systems
Voice Control: Alexa, Google Assistant
Energy Savings: 12% heating, 15% cooling savings
Ease of Installation: often no C wire, straightforward
User Interface: Google Home app, voice, clear display
Integration with Other Smart Devices: Matter, Google Home, Alexa compatible
Remote Access: Google Home app, voice commands

Chosen by 1111 this week

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

Compatibility: Works with most systems, may need C wire
Voice Control: Google Assistant, Alexa
Energy Savings: ENERGY STAR certified, energy-saving schedule
Ease of Installation: Straightforward and well-documented
User Interface: Google Home app, intuitive
Integration with Other Smart Devices: Integrates with other smart devices
Remote Access: Controlled remotely through devices

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

Compatibility: Siri, Alexa, Google, HomeKit, iOS, Android
Voice Control: Siri, Alexa, Google Assistant
Energy Savings: up to 26% annually
Ease of Installation: user-friendly, Power Extender Kit included
User Interface: vibrant display, cinematic interface
Integration with Other Smart Devices: seamless
Remote Access: via app

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

Compatibility: about 90% compatibility
Voice Control: Alexa, Siri, Google Assistant
Energy Savings: up to 26% annually
Ease of Installation: Power Extender Kit included
User Interface: clear LCD screen
Integration with Other Smart Devices: Apple HomeKit, Google, Alexa
Remote Access: ecobee app on phones, Watch

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

Compatibility: Most 24V HVAC systems
Voice Control: Alexa-enabled device required
Energy Savings: ENERGY STAR certification
Ease of Installation: Guided installation via Alexa app
User Interface: Three touch buttons for control
Integration with Other Smart Devices: Works with Alexa, Echo, Ring
Remote Access: Control via Alexa and Ring app

Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel

Compatibility: Alexa, Google Assistant, nest
Voice Control: Alexa
Energy Savings: Auto-Schedule, Home/Away Assist
User Interface: intuitive, user-friendly
Integration with Other Smart Devices: Google Assistant, Amazon Alexa, others
Remote Access: Nest app

Honeywell Home Smart Color Wi-Fi Programmable Touch Screen Thermostat, Energy Star, Alexa Ready, White - C-Wire Required, Not Compatible with Line Volt Heating, RTH9600WF

Compatibility: Works with various systems, needs C-wire
Voice Control: Amazon Alexa, Google Assistant, Cortana
Energy Savings: ENERGY STAR certified, energy-saving tips
Ease of Installation: Requires C-wire, ease varies
User Interface: Customizable touchscreen, intuitive
Integration with Other Smart Devices: Integrates with other smart devices
Remote Access: Remote control via app
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Buying Guide for the Best Alexa Smart Thermostat

Choosing the right Alexa smart thermostat can significantly enhance your home's comfort and energy efficiency. These devices allow you to control your home's temperature using voice commands, smartphone apps, and even automation based on your daily routines. To make the best choice, it's important to understand the key specifications and how they align with your needs.
CompatibilityCompatibility refers to whether the smart thermostat can work with your existing heating, ventilation, and air conditioning (HVAC) system. This is crucial because not all thermostats are compatible with all systems. Generally, there are two main types: low-voltage systems (common in most homes) and high-voltage systems (often found in older homes or specific regions). To pick the right one, check your current system's voltage and ensure the thermostat supports it. If you're unsure, consulting a professional can help.
Voice ControlVoice control allows you to adjust the thermostat settings using voice commands through Alexa. This feature is important for convenience and accessibility, especially if you have a smart home ecosystem. Some thermostats offer basic voice commands, while others provide more advanced options like setting schedules or integrating with other smart devices. If you frequently use voice assistants, opt for a model with robust voice control capabilities.
Energy SavingsEnergy savings features help reduce your energy consumption and lower your utility bills. These can include learning algorithms that adapt to your schedule, geofencing to adjust settings when you're away, and detailed energy usage reports. If energy efficiency is a priority for you, look for thermostats with these advanced features. They can make a significant difference in your overall energy usage.
Ease of InstallationEase of installation refers to how simple it is to set up the thermostat in your home. Some models are designed for DIY installation with clear instructions and minimal tools required, while others might need professional installation. If you're comfortable with basic home improvement tasks, a DIY-friendly model could be a good fit. Otherwise, consider a model that offers professional installation services.
User InterfaceThe user interface is the way you interact with the thermostat, either through a touchscreen, physical buttons, or a smartphone app. A user-friendly interface is important for ease of use and quick adjustments. Touchscreens are generally more intuitive and offer more features, while physical buttons can be simpler and more reliable. Choose a thermostat with an interface that you find easy to navigate and use regularly.
Integration with Other Smart DevicesIntegration with other smart devices means the thermostat can work seamlessly with other smart home products like lights, security systems, and smart speakers. This is important for creating a cohesive smart home experience. If you already have or plan to build a smart home ecosystem, look for a thermostat that supports integration with your existing devices and platforms.
Remote AccessRemote access allows you to control the thermostat from anywhere using a smartphone app. This feature is important for convenience and ensuring your home is always at the right temperature when you arrive. If you travel frequently or have an unpredictable schedule, a thermostat with reliable remote access can be very beneficial.

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