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10 Best Alexa Smart Thermostat 2025 in the United States

#1

Winner

9.9 score

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

The Amazon Smart Thermostat is a notable choice for those looking to upgrade from a traditional thermostat to a smart one, particularly if you are already invested in the Amazon ecosystem. One of its primary strengths is its compatibility with Alexa, allowing for seamless voice control and integration with other Alexa-enabled devices such as Echo and Ring. The thermostat also supports automatic temperature adjustments based on whether you're home or away, which can help save on energy bills, aligning well with its ENERGY STAR certification and potential rebates from energy providers.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Voice Control
Voice control via Alexa adds significant convenience, enabling temperature adjustments from anywhere in the house.
Energy Savings
Energy-saving features and detailed usage dashboards help manage and reduce energy consumption.
Ease of Installation
Installation is straightforward, but ensure you understand your wiring needs, especially if you have a split unit.
User Interface
The user interface is simple and intuitive, allowing for easy scheduling and energy management.
Integration with Other Smart Devices
The setup process is incredibly user-friendly, with automatic account integration making it seamless.
#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.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
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
9.6 score

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

The Google Nest Learning Thermostat - 3rd Gen is a strong contender in the smart thermostat category. One of its standout features is its compatibility with Alexa, allowing for seamless voice control. This makes it very convenient for users who prefer hands-free operation. The thermostat's ability to learn your schedule and automatically adjust the temperature (Auto-Schedule) is another major plus, eliminating the need for manual programming and potentially leading to significant energy savings. The Home/Away Assist feature ensures that the thermostat adjusts the temperature when the house is empty, further enhancing its energy efficiency.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Compatibility
Nest's compatibility checker made the purchase decision easier by confirming it would work with my existing system.
Voice Control
Setting up Alexa was straightforward, allowing control of the thermostat using voice commands like 'Alexa turn up the heat.'
Energy Savings
The Eco feature is designed to save money on energy bills, and we're looking forward to seeing the savings.
Ease of Installation
Installation was the easiest of any thermostat I've ever performed, with no screws or difficult holes to put the wires into.
Remote Access
It's connected to the Internet through your WiFi, allowing easy adjustments via the iPhone app.

Top 10 Best Alexa Smart Thermostat 2025 in the United States

#1

Winner

9.9 score

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

Chosen by 1420 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

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

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
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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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