Best Smart Thermostat of 2026

Last updated on 05/04/2026
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Best Choice
1
9.8
Exceptional
Save 13%
Hive Thermostat For Heating Control (Combi Boilers), With Hive Nano 3 Hub (OpenTherm), White, A Combi Boiler is Required
Hive

Hive Thermostat For Heating Control (Combi Boilers), With Hive Nano 3 Hub (OpenTherm), White, A Combi Boiler is Required

13% Off
Why we love it
  • Customizable daily schedules available.
  • Convenient heating boost option.
  • Protects pipes from freezing.
Main Highlights
  • New OpenTherm feature - OpenTherm tells heating controls and boilers precisely how much heat is needed to reach and maintain the target temperature. Improving efficiency from up to 12% lower gas consumption, extended lifespan of boilers, and more consistent room temperatures. Providing cost savings, added comfort, and a more sustainable home.
  • New Nano 3 Hub - The latest hub features Wi-Fi connectivity with an improved design, connecting your Hive devices to the internet without messy cables. Now featuring a dual-core processor, it provides fast and reliable performance for large networks of Hive devices.
  • Create and edit heating schedules – set up to six daily time slots to heat your home, seven days a week.
  • Easy to Use – change the temperature quickly and simply on the Thermostat itself or use the Hive app to set schedules, boost your heating or change to Holiday mode.
  • Automatic Frost Protection – if the temperature drops below 7°C in your home, Mini can turn on your heating to stop your pipes from freezing.
  • Geolocation - with the Hive app, you’ll get a reminder to turn off the heating if you leave home when the heating is due to come on.
  • Hive App: turn your heating on and off via the Hive app or with your voice.
  • IMPORTANT NOTE: This thermostat is for Combi Boilers.
9.8
Exceptional
Save 13%
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.7
Exceptional
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)
tado

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)

Why we love it
  • Quality you can trust.
  • Affordable and worth it.
  • User-friendly and straightforward.
Main Highlights
  • SAVES ENERGY AND HEATING COSTS: The intelligent wireless Thermostat X Starter Kit from tado, the experts for smart heating, contains the Bridge X and, for Amazon customers, a stand – the more rooms your control, the more you save
  • EASY DIY INSTALLATION, EVEN OFFLINE: When connected to a boiler, this smart heater thermostat can regulate hot water – suitable for gas-fired boilers or heat pumps (OpenTherm and relay)
  • CONTROL VIA APP: The thermostat has numerous features for your heating system, such as smart scheduling, temperature control via the app and much more
  • FOR YOUR SMART HOME Control the individual temperature in each room with the industry’s leading multizone control, very simply by app or via smart speaker with Amazon Alexa, Google Assistant or Apple Siri
  • EASY TO USE: The thermostat is operated intuitively via the display
  • FUTURE-PROOF TECHNOLOGY: Matter allows different smart home appliances to communicate with each other, while Thread ensures a stable network – this requires the Bridge X (included) or another Thread border router
  • MAXIMISE SAVINGS WITH AI: With ‘AI Assist’, you save up to 55% more energy thanks to automations such as Geofencing, Open Window Detection, Holiday Mode, insights into energy costs, and much more
  • Important to know: tado X products are not compatible with tado V3+ or older
9.7
Exceptional
Amazon Logo
3
9.6
Superb
Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement
Honeywell Home

Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement

Why we love it
  • Simple touch-screen interface convenience.
  • Remote control from anywhere.
  • Adapts to your routine.
Main Highlights
  • Smart Scheduling - Customise your heating with a 7-day or 5/2-day schedule, featuring up to 6 daily periods. This Wi-Fi thermostat serves as a smart central heating controller, ensuring optimal comfort and efficiency.
  • Geofencing Technology - Utilises your smartphone's location to conserve energy while you're away and restore comfort upon your return. This programmable thermostat is ideal for a wide range of boiler systems working with or without wifi.
  • Intuitive Interface - Featuring a modern, sleek black screen, the large, easy-to-read touchscreen combined with intuitive navigation buttons allows for quick and effortless adjustments to this wall thermostat's settings and temperature control.
  • Voice Control Ready - Seamlessly integrates with Alexa, Google and Apple ecosystems for convenient management of your thermostat. Features AUTO/MAN/ECO/HOLIDAY modes to suit your lifestyle and enhance energy efficiency.
  • Extensive Compatibility - Easy to install, this versatile wired thermostat for central heating supports 24-230V on/off OpenTherm appliances, including gas boilers, combi boilers, and heat pumps, ensuring compatibility and efficiency across various systems.
9.6
Superb
Amazon Logo
4
9.5
Superb
Netatmo Connected and Smart Energy Saving Thermostat - WiFi - Reduce Bills & Control Heating Remotely by App | Compatible with Individual Boilers, NTH01-AMZ
Netatmo

Netatmo Connected and Smart Energy Saving Thermostat - WiFi - Reduce Bills & Control Heating Remotely by App | Compatible with Individual Boilers, NTH01-AMZ

Why we love it
  • Saves energy and money.
  • Voice and distance control.
  • Quick and easy installation.
Main Highlights
  • COMPATIBIITY REMINDER: The “Netatmo Connected” products (including Smart Energy Saving Thermostat, Smart Radiator Valve and Smart Starter pack) are NOT compatible with the new “Netatmo ORIGINAL” range, as they use different communication protocols.To ensure the best experience, we recommend checking your existing setup before making a purchase.
  • EASY ENERGY SAVINGS: the heating schedule saves you money and heats your home to just the right temperature. Going on holiday? Set the Absent and Frost Protection modes
  • VOICE AND DISTANCE CONTROLLED HEATING: control your Smart Thermostat from a distance via your smartphone, tablet or computer or with voice control thanks to Apple HomeKit, Alexa and Google Assistant compatibility. Temperature (measurements): Range: 0°C to 50°C (± 0.1°C)
  • QUICK AND EASY TO INSTALL: it takes less than an hour to install the Netatmo Smart Thermostat
  • A SMART THERMOSTAT: the Auto-Adapt feature takes into account the outdoor temperature and your home's insulation to make sure your home stays at the temperature you set
  • COMPATIBILITY: the Netatmo Smart Thermostat is compatible with most types of boiler, whichever energy you use: electricity, gas, fuel oil, wood or heat pump
  • CONSUMPTION INFORMATION AND ADVICE: view your history and consult your personalized Energy Savings Report to track and optimize your energy usage
  • DESIGNED BY STARCK: your Netatmo Smart Thermostat blends into your home décor with a design by Philippe Starck and adhesive strips in four colors
  • IDEAL TEMPERATURE IN EACH ROOM: use Netatmo Additional Smart Radiator Valves to turn radiators on and off independently
9.5
Superb
Amazon Logo
5
9.4
Superb
Save 5%
Hive Thermostat for Heating Control (Combi Boilers & Multizone Hubless), With OpenTherm, White, A Combi Boiler is Required
Hive

Hive Thermostat for Heating Control (Combi Boilers & Multizone Hubless), With OpenTherm, White, A Combi Boiler is Required

5% Off
Why we love it
  • Energy-efficient heating control.
  • Convenient scheduling options available.
  • Automatic frost protection offered.
Main Highlights
  • New OpenTherm feature - OpenTherm tells heating controls and boilers precisely how much heat is needed to reach and maintain the target temperature. Improving efficiency from up to 12% lower gas consumption, extended lifespan of boilers, and more consistent room temperatures. Providing cost savings, added comfort, and a more sustainable home.
  • Create and edit heating schedules – set up to six daily time slots to heat your home, seven days a week.
  • Easy to Use – change the temperature quickly and simply on the Thermostat itself or use the Hive app to set schedules, boost your heating or change to Holiday mode.
  • Automatic Frost Protection – if the temperature drops below 7°C in your home, Mini can turn on your heating to stop your pipes from freezing.
  • Geolocation - with the Hive app, you’ll get a reminder to turn off the heating if you leave home when the heating is due to come on.
  • Hive Hub is needed for remote or app control of heating.
9.4
Superb
Save 5%
Amazon Logo
6
9.2
Superb
Save 6%
tado° Starter Kit - Wireless Smart Thermostat V3+ Incl. Programmer with Hot Water Control, Designed in Germany, Works with Alexa, Siri & Google Assistant (White)
tado

tado° Starter Kit - Wireless Smart Thermostat V3+ Incl. Programmer with Hot Water Control, Designed in Germany, Works with Alexa, Siri & Google Assistant (White)

6% Off
Why we love it
  • Newer model offers advanced features.
  • Reseller provides exclusive options.
  • Unique design stands out stylishly.
Main Highlights
  • Full control over your heating with the tado° app from anywhere, reduce your energy consumption and save money with the the intelligent features tado° offers
  • Heating Boost: heat up all rooms for 30 minutes with one click in the app
  • Smart Schedules for the perfect temperature individually in each room, at any time; only active when someone’s home; can optionally be turned on and off with one click in the app
  • If no one is home or an open window has been detected, the tado° app reminds you to turn down the heating via push notification
  • Further advantages with Auto Assist (optional): If no one is home or open windows have been detected, tado° automatically turns down the heating; Care & Protect helps to solve heating problems (in-app purchase, cancel monthly; £3.99/month)
9.2
Superb
Save 6%
Amazon Logo
7
9.1
Superb
Save 14%
Meross Smart Thermostat Works with Combi Boiler & Water-Based Underfloor Heating, WiFi Room Programmable Thermostat with App Control, Energy Saving, Compatible with Matter, HomeKit, Alexa, Google Home
meross

Meross Smart Thermostat Works with Combi Boiler & Water-Based Underfloor Heating, WiFi Room Programmable Thermostat with App Control, Energy Saving, Compatible with Matter, HomeKit, Alexa, Google Home

14% Off
Why we love it
  • Easy voice and app control.
  • Energy-saving automatic features.
  • Stylish design complements interiors.
Main Highlights
  • Water-Based System Exclusive - Designed for combi boilers and water-based heating systems, work with Matter, Apple Home, Siri, Alexa, Google, Home Assistant and SmartThings. Meross smart thermostat is ideal for UK homes using underfloor water heating. Not compatible with electric underfloor heating. Not for hot water, shower, or water tank. Requiring 2.4GHz WiFi and live + neutral wires, it connects directly to your network with no hub needed, simplifying installation for modern family homes.
  • Programmable Thermostat with Dual Mode Comfort & External Sensor - Supporting both heating and cooling modes, this thermostat keeps you comfortable year-round. Add optional external sensors for bathrooms, saunas, or rooms with sensitive flooring, ensuring accurate ambient readings. It’s ideal for families who value temperature consistency across rooms and for eco-conscious homeowners optimizing usage in every season. Smart zoning ensures every space stays better climate-controlled.
  • Boiler Thermostat with Energy Reports & Open Window Detection - Stay in control with real-time energy usage reports and temperature trends via the Meross app. When you open the window to ventilate, the room thermostat automatically stops heating for a while to avoid energy waste, helping you save energy and reduce costs by up to 30%. This makes it the ideal heating thermostat for kitchens, bathrooms, or anywhere heat is easily lost.
  • Voice & App Controlled Digital Thermostat - Compatible with Matter, Apple HomeKit, Siri, Alexa, and Google Assistant, meross digital thermostat lets you manage heating your way—by voice or through meross app. Whether you want to preheat the living room before you get home, turn down the temperature without leaving your bed, or let each family member adjust settings from their own phone, it’s all quick, simple, and energy-smart.
  • Smart Heating with Scheduling & Multi-Zone Control - Plan your heating like clockwork with up to 8 programmable periods per day, enabling true 24/7 control. Whether you want warm floors in the morning or energy-saving overnight settings, this thermostat adapts to your daily rhythm. Installed via a standard 86mm wall mounting box, it supports multi-zone management—perfect for larger homes or flats with individual room needs.
  • Wall Smart Thermostat for Family Living - This smart heating controller is built with the modern family in mind. It includes a child lock, memory recovery after power cuts, a dimmable LED screen, and silent touch keys—all in a minimalist white glass design that blends into any home interior. From busy households to quiet study corners, it ensures safety, peace, and aesthetics in one device. Whether used in nurseries, bedrooms, or hallways, it combines style and security.
9.1
Superb
Save 14%
Amazon Logo
8
9.1
Superb
Hive Thermostat Mini For Heating Control (Combi Boilers & Multizone Hubless) With OpenTherm, White, A Combi Boiler is Required
Hive

Hive Thermostat Mini For Heating Control (Combi Boilers & Multizone Hubless) With OpenTherm, White, A Combi Boiler is Required

Why we love it
  • Improves energy efficiency significantly.
  • Convenient remote heating control.
  • Stylish design fits any decor.
Main Highlights
  • New OpenTherm feature - OpenTherm tells heating controls and boilers precisely how much heat is needed to reach and maintain the target temperature. Improving efficiency from up to 12% lower gas consumption, extended lifespan of boilers, and more consistent room temperatures. Providing cost savings, added comfort, and a more sustainable home.
  • Beautifully Clear – small but perfectly formed, Mini’s elegant mirrored design and clear interface blends in with your home
  • Easy to Use – change the temperature quickly and simply on the Thermostat itself or use the Hive app to set schedules, boost your heating or hot water or change to Holiday mode
  • Geolocation - with the Hive app, you’ll get a reminder to turn off the heating if you leave home when the heating is due to come on
  • Automatic Frost Protection – if the temperature drops below 7°C in your home, Mini can turn on your heating to stop your pipes from freezing
  • Create and edit heating schedules – set up to six daily time slots to heat your home, seven days a week
  • Hive Hub is needed for remote or app control of heating
9.1
Superb
Amazon Logo
9
9.1
Superb
Save 15%
Beok Smart Thermostat for Gas Boiler and Water Underfloor Heating, Tuya Wireless Room Thermostat Central Heating Touch Screen, Compatible with Alexa Google Assistant, Battery Operated, BOT-R3X-WIFI
BEOK CONTROLS

Beok Smart Thermostat for Gas Boiler and Water Underfloor Heating, Tuya Wireless Room Thermostat Central Heating Touch Screen, Compatible with Alexa Google Assistant, Battery Operated, BOT-R3X-WIFI

15% OffEnds in
Why we love it
  • Smart app control from anywhere.
  • Voice activation with smart speakers.
  • Customizable daily heating schedules.
Main Highlights
  • [Controlled Object] Wireless thermostat is suitable for gas boiler and water floor heating systems, such as combi boilers, thermoelectric heads, electric valves, pump etc.
  • [WiFi Function]Control the room thermostat anytime, anywhere via the "Tuya" or "Smart Life" smartphone app. Voice Control: Operate your digital thermostat with smart speakers – Alexa or Google Assistant; 2.4GHz WiFi network required.
  • [Daily Programming]Set a daily heating schedule based on your habits, allowing up to 6 different temperatures per day for a more comfortable and energy-efficient lifestyle.
  • [RF Wireless]The thermostat with a receiver uses high-frequency technology. The receiver is connected to the gas boiler, allowing remote control via the temperature controller (used within a 30-meter radius). Therefore, the wireless thermostat can be placed on a desktop or mounted on a wall with screws
  • [Package includes] 1 smart thermostat (battery not included), 1 receiver, 1 stand, 1 product manual, 2 screws, 1 USB-C cable, and 1 Jumper.
9.1
Superb
Save 15%
Ends in
Amazon Logo
10
8.9
Excellent
MOES WiFi Smart Thermostat for Gas Boiler Floor Heating - Battery Powered, App Remote Control, Voice Control Compatible with Alexa Google Home, 300-Day Battery Life, No Hub Required - White
MOES

MOES WiFi Smart Thermostat for Gas Boiler Floor Heating - Battery Powered, App Remote Control, Voice Control Compatible with Alexa Google Home, 300-Day Battery Life, No Hub Required - White

Why we love it
  • Easy smart upgrade for heating.
  • Control heating from anywhere.
  • Long-lasting battery and notifications.
Main Highlights
  • Easy Upgrade from Traditional Thermostats - Transform your existing gas boiler floor heating system into a smart home solution with this direct replacement thermostat. The simple two-wire connection makes it perfect for upgrading older thermostat systems without complex rewiring, maintaining compatibility with your current heating infrastructure while adding intelligent control capabilities
  • Multiple Control Options with WiFi Connectivity - Control your heating system through smartphone app, voice commands, or manual operation on the device display. The built-in WiFi connectivity connects directly to your home network without requiring additional hubs or gateways, making setup simple and cost-effective for instant smart home integration
  • Long-Lasting Battery Performance with Smart Monitoring - Powered by 3 AA batteries providing an impressive 300-day average runtime, this thermostat offers reliable operation without frequent maintenance. Monitor battery levels directly on the thermostat screen or through the mobile app, which sends low battery notifications to ensure uninterrupted heating control
  • Convenient Battery Replacement Without Setting Loss - Hot-swappable battery design allows you to replace batteries anytime while preserving all your programmed settings and schedules. This ensures continuous operation and eliminates the need to reconfigure your heating preferences after battery changes
  • Remote Access and Smart Home Integration - Enjoy complete remote control of your floor heating system from anywhere using your smartphone. Set heating schedules, adjust temperatures on-the-go, and integrate with other Tuya WiFi smart devices to create automated home comfort scenarios that optimize energy efficiency and convenience
8.9
Excellent
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Related Deals You Might Like for Smart Thermostat

📊We scanned 872 products
🔍
We reviewed the most relevant Smart Thermostat offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Hive, tado, Honeywell Home, Netatmo, meross, BEOK CONTROLS, MOES, known for dependable quality and smart design.
⭐
To determine today's best Smart Thermostat, we analysed 4361 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

What we concluded:

🏆 #1
Hive Thermostat For Heating Control (Combi Boilers), With Hive Nano 3 Hub (OpenTherm), White, A Combi Boiler is Required

Our overall winner is Hive Thermostat For Heating Control (Combi Boilers), With Hive Nano 3 Hub (OpenTherm), White, A Combi Boiler is Required by Hive. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Customizable daily schedules available.
✓Convenient heating boost option.
✓Protects pipes from freezing.
💎 Best Value
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)

The best value for most shoppers is 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) by tado, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Beok Smart Thermostat for Gas Boiler and Water Underfloor Heating, Tuya Wireless Room Thermostat Central Heating Touch Screen, Compatible with Alexa Google Assistant, Battery Operated, BOT-R3X-WIFI

The strongest deal right now for Smart Thermostat is Beok Smart Thermostat for Gas Boiler and Water Underfloor Heating, Tuya Wireless Room Thermostat Central Heating Touch Screen, Compatible with Alexa Google Assistant, Battery Operated, BOT-R3X-WIFI at BEOK CONTROLS, currently at 15% off.

🔄Our Smart Thermostat ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.