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10 Best Smart Thermostats 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

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

Rating
9.8
Chosen by1,353
Compatibility
Remote Access
Integration with Smart Home Systems

Most important from
1074 reviews

Compatibility
Integrates seamlessly with existing heating systems, providing automatic system recognition for straightforward setup.
Remote Access
The app setup can be a bit confusing but is manageable with persistence, enabling remote temperature control from anywhere.
Integration with Smart Home Systems
The remote temperature sensor is a fantastic addition, allowing for easy placement and seamless integration.
Ease of Installation
Works great without a C-wire, making it a hassle-free installation.

The Google Nest Learning Thermostat (4th Gen, 2024) stands out with its enhanced learning capabilities and broad compatibility. It supports a wide range of heating and cooling systems without needing a C wire for most installations, which simplifies the setup process for many users.

The learning feature is particularly notable as it allows the thermostat to adapt to your schedule and preferences, potentially offering significant savings on energy bills. Moreover, the inclusion of the Nest Temperature Sensor helps manage temperature variations in different rooms effectively, ensuring a more comfortable home environment.

Integration with smart home systems is seamless, especially with support for both Alexa and Google Home, making remote access and control straightforward via the Google Home app or voice commands. The polished obsidian design, larger display, and Dynamic Farsight feature add to its aesthetic appeal, making it not just functional but also a visually pleasing addition to your home. Despite minor drawbacks like the reliance on a battery and a slightly steep initial learning curve, the Google Nest Learning Thermostat (4th Gen) is a strong contender for enhancing home energy efficiency and comfort with advanced smart home technology.

Rating
9.8
Chosen by1,353
Compatibility
Remote Access
Integration with Smart Home Systems

Most important from
1074 reviews

Compatibility
Integrates seamlessly with existing heating systems, providing automatic system recognition for straightforward setup.
Remote Access
The app setup can be a bit confusing but is manageable with persistence, enabling remote temperature control from anywhere.
Integration with Smart Home Systems
The remote temperature sensor is a fantastic addition, allowing for easy placement and seamless integration.
Ease of Installation
Works great without a C-wire, making it a hassle-free installation.
#2

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

Rating
9.6
Learning Capabilities
Remote Access
Integration with Smart Home Systems

Most important from
14923 reviews

Learning Capabilities
The thermostat's learning capabilities enhance its functionality by adapting to user preferences over time.
Remote Access
Controlling the thermostat through the mobile app is convenient, allowing for remote adjustments.
Integration with Smart Home Systems
Connecting to Alexa can be challenging, but voice control adds significant convenience once established.
Ease of Installation
The installation process can be straightforward, but some users encountered difficulties that required professional assistance.

The Google Nest Thermostat is a smart thermostat designed to help you save energy and stay comfortable. It is ENERGY STAR certified, which means it meets energy efficiency guidelines. One of its main strengths is its compatibility with various heating and cooling systems, although some systems may require a C wire or another compatible power accessory for installation. The thermostat's learning capabilities allow it to turn itself down when you leave, preventing energy waste.

Additionally, you can program an energy-efficient schedule through the Google Home app, available on both Android and iPhone devices. Remote access is another advantage, enabling you and your family members to control the temperature from anywhere using a phone, laptop, or tablet. The Nest Thermostat also features HVAC monitoring, which alerts you if something is wrong with your heating or cooling systems and provides maintenance reminders. Integration with smart home systems is seamless, as it works with Google Assistant, Alexa, and other Matter-certified voice assistants. You can even control the temperature with your voice using compatible smart devices.

Geofencing is another useful feature, ensuring the thermostat adjusts based on your location. Installation is relatively easy, and the product includes mounting screws, a steel plate, and a documentation bundle to assist you. However, it is important to check compatibility before purchasing. The Google Nest Thermostat is a well-rounded product with a sleek design and user-friendly features, making it a great choice for those looking to optimize their home's energy efficiency.

Rating
9.6
Learning Capabilities
Remote Access
Integration with Smart Home Systems

Most important from
14923 reviews

Learning Capabilities
The thermostat's learning capabilities enhance its functionality by adapting to user preferences over time.
Remote Access
Controlling the thermostat through the mobile app is convenient, allowing for remote adjustments.
Integration with Smart Home Systems
Connecting to Alexa can be challenging, but voice control adds significant convenience once established.
Ease of Installation
The installation process can be straightforward, but some users encountered difficulties that required professional assistance.
#3

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

Rating
9.3
Learning Capabilities
Remote Access
Integration with Smart Home Systems

Most important from
3403 reviews

Learning Capabilities
The SmartSensor feature is a game-changer, allowing the thermostat to adjust the temperature based on occupancy, which is perfect for a home office setup.
Remote Access
The thermostat is highly accessible, with the ability to control it via iPad or iPhone, making it a great option for users with vision impairments.
Integration with Smart Home Systems
The ecobee thermostat integrates seamlessly with Siri and Alexa, providing convenient voice control, although setting it up with Siri may require an additional Apple home hub.
Ease of Installation
Installing the ecobee was straightforward thanks to the comprehensive instructions on their website, and the thermostat's display and phone app are both easy to use.

The ecobee New Smart Thermostat Premium is a versatile option for anyone looking to upgrade their home climate control system. Its standout feature is the SmartSensor, which optimizes the temperature in key rooms and helps eliminate hot or cold spots. Additionally, the built-in air quality monitor is a nice touch, providing alerts and tips to maintain a healthy living environment. Compatibility is broad, supporting most 24VAC HVAC systems, and the included Power Extender Kit makes it easier to install in homes without a C-wire.

Integration with Siri, Alexa, and Google Assistant ensures seamless control via voice commands, and the option to use it as a smart speaker adds value. The ability to save up to 26% on heating and cooling costs is particularly appealing for those focused on energy efficiency. However, some features, like advanced security notifications and geofencing, require subscriptions to ecobee's Smart Security plan. Also, while the Siri functionality is handy, it does require an Apple home hub.

The design is visually appealing with a vibrant display and modern look, but the installation might be a bit daunting for those not familiar with electrical work. Despite these caveats, the ecobee New Smart Thermostat Premium offers a robust set of features that should satisfy most smart home enthusiasts.

Rating
9.3
Learning Capabilities
Remote Access
Integration with Smart Home Systems

Most important from
3403 reviews

Learning Capabilities
The SmartSensor feature is a game-changer, allowing the thermostat to adjust the temperature based on occupancy, which is perfect for a home office setup.
Remote Access
The thermostat is highly accessible, with the ability to control it via iPad or iPhone, making it a great option for users with vision impairments.
Integration with Smart Home Systems
The ecobee thermostat integrates seamlessly with Siri and Alexa, providing convenient voice control, although setting it up with Siri may require an additional Apple home hub.
Ease of Installation
Installing the ecobee was straightforward thanks to the comprehensive instructions on their website, and the thermostat's display and phone app are both easy to use.

Buying Guide for the Best Smart Thermostats

Choosing the right smart thermostat can significantly enhance your home's comfort and energy efficiency. Smart thermostats allow you to control your home's heating and cooling systems remotely, learn your preferences, and even save you money on energy bills. To find the best fit for you, 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 and cooling system. This is crucial because not all thermostats are compatible with all HVAC systems. To navigate this, check the specifications of the thermostat to see if it supports your system type, such as central heating, heat pumps, or multi-stage systems. If you have a more complex system, ensure the thermostat can handle it. Your need here is to ensure seamless integration without needing additional equipment or professional installation.
Learning CapabilitiesLearning capabilities refer to the thermostat's ability to learn your schedule and preferences over time. This is important because it can automate temperature adjustments to optimize comfort and energy savings. Thermostats with advanced learning capabilities can adapt to your habits within a few days. If you have a predictable routine, a thermostat with strong learning capabilities can be very beneficial. If your schedule is irregular, you might prefer a model that allows more manual control.
Remote AccessRemote access allows you to control your thermostat from anywhere using a smartphone app. This is important for convenience and energy management, especially if you travel frequently or have an unpredictable schedule. When evaluating this feature, consider the ease of use of the app and whether it is compatible with your smartphone. If you value being able to adjust your home's temperature on the go, prioritize models with robust and user-friendly remote access features.
Energy ReportsEnergy reports provide insights into your energy usage and can help you identify ways to save money. This feature is important for those who are conscious about their energy consumption and want to optimize their usage. Look for thermostats that offer detailed and easy-to-understand reports. If you are keen on tracking and reducing your energy usage, choose a model that provides comprehensive energy reports.
Integration with Smart Home SystemsIntegration with smart home systems means the thermostat can work with other smart devices in your home, such as voice assistants, smart lights, and security systems. This is important for creating a cohesive and automated home environment. Check if the thermostat is compatible with your existing smart home ecosystem, such as Amazon Alexa, Google Assistant, or Apple HomeKit. If you already have a smart home setup, ensure the thermostat can integrate smoothly with your other devices.
GeofencingGeofencing uses your smartphone's location to adjust the thermostat settings when you leave or approach your home. This feature is important for maximizing energy efficiency and comfort without manual adjustments. Thermostats with geofencing can automatically lower the temperature when you leave and raise it when you return. If you have a consistent routine and want to automate temperature adjustments based on your location, look for models with reliable geofencing capabilities.
Ease of InstallationEase of installation refers to how simple it is to set up the thermostat yourself. This is important for those who prefer a DIY approach and want to avoid professional installation costs. Some thermostats come with clear instructions and all necessary components, making them easier to install. If you are comfortable with basic home improvement tasks, choose a model known for its straightforward installation process. If not, consider one that offers professional installation services.

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