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10 Best Smart Thermostats

From leading brands and best sellers available on the web.
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Our Top Picks

#1

Winner

tado Wireless Smart Thermostat X – Starter Kit with Bridge X and Stand, Boiler and Hot Water Control via App & Smart Speaker (Alexa, Siri, Google Assistant)

10.0  score

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Available on
£151.75
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Rating
10.0
Chosen by1,244
Connectivity
User Interface
Energy-Saving Features
Connectivity
While the bridge is necessary, it might be seen as a minor inconvenience, but it ensures stable connectivity even in homes with challenging layouts.
User Interface
The thermostat's sleek, modern design and intuitive app make it an excellent choice for anyone looking to modernize their home heating system.
Energy-Saving Features
The system excels in room-by-room temperature control, enhancing comfort while potentially reducing energy consumption.
Integration with Smart Home Systems
Integrating seamlessly with Alexa and other smart home devices, the Tado° Smart Thermostat offers convenient voice control and scheduling features.
Installation
Installation is straightforward, especially if you follow the comprehensive instructions, making it a manageable DIY project.

The tado Wireless Smart Thermostat X Starter Kit is tailored for those seeking intelligent control over home heating, offering both wireless convenience and energy efficiency. It stands out for its ability to reduce heating costs through intelligent features like smart scheduling, geofencing, and open-window detection, which help optimize energy usage. This kit includes a bridge for connectivity and a stand, making it an attractive option exclusively for Amazon customers. It supports easy DIY installation, even without an internet connection, and is compatible with gas-fired boilers or heat pumps.

A major strength of this thermostat is its seamless integration into smart homes, working harmoniously with Amazon Alexa, Google Assistant, and Apple Siri for voice control. The user-friendly app ensures you can manage temperatures room-by-room, enhancing comfort while saving energy. The digital display offers intuitive use, making adjustments straightforward.

However, there are some limitations to consider. The thermostat is not compatible with previous versions like the tado V3+, which could be a setback for existing tado users. It's also crucial to note that this thermostat requires the Bridge X or another Thread border router, which might add to the initial setup if not already owned. The future-proof technology, with Matter and Thread ensuring stable connectivity, promises longevity in functionality. Additionally, the optional Auto-Assist package provides valuable insights into energy costs and potential heating solutions, but it comes at an extra cost. This product is ideal for those who want to modernize their home with a smart, efficient heating system but may not suit users of older tado systems or those seeking a non-battery-powered option.

Rating
10.0
Chosen by1,244
Connectivity
User Interface
Energy-Saving Features
Connectivity
While the bridge is necessary, it might be seen as a minor inconvenience, but it ensures stable connectivity even in homes with challenging layouts.
User Interface
The thermostat's sleek, modern design and intuitive app make it an excellent choice for anyone looking to modernize their home heating system.
Energy-Saving Features
The system excels in room-by-room temperature control, enhancing comfort while potentially reducing energy consumption.
Integration with Smart Home Systems
Integrating seamlessly with Alexa and other smart home devices, the Tado° Smart Thermostat offers convenient voice control and scheduling features.
Installation
Installation is straightforward, especially if you follow the comprehensive instructions, making it a manageable DIY project.
#2

Hive Thermostat for Heating & Hot Water Control (Conventional Boilers), With Hive Nano 3 Hub, White, A Conventional Boiler is Required

9.7  score

Available on
£139.44
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Rating
9.7
User Interface
User Interface
Enjoys the regained control over heating, highlighting the thermostat's user-friendly design.

The New Hive Thermostat Nano 3 is designed to control both heating and hot water for conventional boilers, making it a flexible choice for households looking to manage these utilities more efficiently. A significant strength is its new Nano 3 Hub, which boasts Wi-Fi connectivity and a dual-core processor, ensuring reliable performance and easy installation without clutter. This is ideal for those who prefer a streamlined setup.

In terms of connectivity, the thermostat offers Wi-Fi support, allowing users to control their heating via the Hive app or through voice commands. This ease of use is complemented by a touchscreen interface, providing a modern and intuitive way to interact with the device. Additionally, the thermostat includes energy-saving features such as geolocation, which adjusts heating based on your presence, and an automatic frost protection to prevent frozen pipes, enhancing its utility in energy conservation.

The thermostat's ability to schedule heating and hot water, including a boost function for up to six hours, offers flexibility and convenience, especially with the added holiday mode feature. Installation is straightforward due to its hardwired power source, but this could be a limitation for those seeking a battery-operated option. The included 50% off Hive Plus annual plan is a nice touch, potentially offering additional savings.

Rating
9.7
User Interface
User Interface
Enjoys the regained control over heating, highlighting the thermostat's user-friendly design.
#3

tado° Smart Radiator Thermostat X – Trio Pack, Heating Control via App and Smart Speaker (Alexa, Siri, Google Assistant), Save Heating Costs, DIY Installation

9.4  score

Available on
£189.99
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Rating
9.4
Connectivity
User Interface
Energy-Saving Features
Connectivity
Despite some initial connection hiccups, the system stabilizes with minor adjustments and provides targeted heating, making it efficient for homes with multiple radiators.
User Interface
The sleek design of the thermostats allows them to blend seamlessly into any room, while the intuitive app provides full control over your heating system.
Energy-Saving Features
The app's ability to define heating zones and schedules is praised for optimizing energy use and ensuring rooms are heated only when needed.
Installation
Installation is straightforward for the smart radiator valves, though setting up the wireless receiver may require some technical knowledge.

The tado Smart Radiator Thermostat X - Trio Pack is a useful addition for anyone looking to save on heating costs and manage their home’s temperature more efficiently. Compatible with popular smart assistants like Alexa, Google Assistant, and Siri, it offers convenient control via an app or voice commands. One of its standout features is the energy-saving capability, claiming to reduce energy consumption by 22% on average. The thermostat also supports advanced geofencing and open-window detection, adding to its energy efficiency.

Users can benefit from customizable smart schedules and a touch display for easy operation. The installation is user-friendly with a DIY approach, and it includes adapters to fit various radiator valves, ensuring a secure fit. The rechargeable battery adds to the ease of use, eliminating frequent battery changes.

However, there are some limitations. The product is not compatible with tado° V3+ or older versions, which may be a drawback for existing tado° users considering upgrades. Additionally, to take full advantage of some features, such as Auto-Assist, there is a subscription fee. The thermostat requires a Bridge X or another Thread border router for optimal performance, which is not included in the package. Despite these limitations, the tado Smart Radiator Thermostat X is an excellent choice for those looking to modernize their heating control efficiently and conveniently.

Rating
9.4
Connectivity
User Interface
Energy-Saving Features
Connectivity
Despite some initial connection hiccups, the system stabilizes with minor adjustments and provides targeted heating, making it efficient for homes with multiple radiators.
User Interface
The sleek design of the thermostats allows them to blend seamlessly into any room, while the intuitive app provides full control over your heating system.
Energy-Saving Features
The app's ability to define heating zones and schedules is praised for optimizing energy use and ensuring rooms are heated only when needed.
Installation
Installation is straightforward for the smart radiator valves, though setting up the wireless receiver may require some technical knowledge.

Buying Guide for the Best Smart Thermostats

When choosing a smart thermostat, it's important to consider how it will integrate with your home and lifestyle. Smart thermostats can help you save energy, increase comfort, and provide convenience by allowing you to control your home's temperature remotely. To find the best fit, think about your heating and cooling needs, the compatibility with your existing HVAC system, and the smart features that will benefit you the most. Understanding the key specifications will help you make an informed decision.
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 every type of HVAC system. Systems can vary from central heating and cooling to heat pumps, and more. To navigate this, check your current system's specifications and compare them with the thermostat's compatibility list. If you have a complex system, you might need a more advanced thermostat. For simpler systems, a basic model might suffice.
ConnectivityConnectivity is about how the thermostat connects to your home network and other smart devices. This is important for remote control and integration with smart home ecosystems. Most smart thermostats connect via Wi-Fi, but some may also use Bluetooth or other protocols. Consider your home network's reliability and the smart devices you already own. If you have a robust smart home setup, look for a thermostat that integrates well with your existing devices. If you're just starting, a basic Wi-Fi connection might be all you need.
User InterfaceThe user interface is the way you interact with the thermostat, either through a touchscreen, app, or voice control. A good interface is important for ease of use and accessibility. Touchscreens offer direct interaction, while apps provide remote access and additional features. Voice control can add convenience if you use smart speakers. Consider how you prefer to interact with technology. If you like hands-on control, a touchscreen might be best. If you value remote access, ensure the app is user-friendly.
Energy-Saving FeaturesEnergy-saving features help reduce your energy consumption and lower utility bills. These features can include learning algorithms, scheduling, and geofencing. Learning algorithms adapt to your habits over time, while scheduling allows you to set specific times for heating or cooling. Geofencing uses your phone's location to adjust settings when you leave or return home. Think about your lifestyle and how much control you want over your energy use. If you have a predictable routine, scheduling might be enough. For more dynamic lifestyles, learning algorithms and geofencing can offer greater savings.
Integration with Smart Home SystemsIntegration with smart home systems refers to how well the thermostat works with other smart devices and platforms like Amazon Alexa, Google Assistant, or Apple HomeKit. This is important for creating a seamless smart home experience. If you already use a specific platform, ensure the thermostat is compatible with it. If you're planning to expand your smart home, consider a thermostat that supports multiple platforms. This will give you flexibility and future-proof your setup.
InstallationInstallation involves the process of setting up the thermostat in your home. This is important because it affects how quickly and easily you can start using your new device. Some thermostats are designed for DIY installation, while others may require professional help. Consider your comfort level with home improvement projects. If you're handy, a DIY-friendly model might be suitable. If not, or if your system is complex, professional installation could be the best choice to ensure everything works correctly.