10 Best Smart Thermostat For Combi Boiler Wifi in The UK
Last updated on 07/09/2025
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Best Choice
1
Honeywell Home T6 Wired Smart Thermostat, Black
Honeywell Home
7% OffFree Shipping
Honeywell Home
Honeywell Home T6 Wired Smart Thermostat, Black
7% OffFree Shipping
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.
Value for Money
2
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), Not Compatible with tado V3+
tado
13% OffFree Shipping
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), Not Compatible with tado V3+
13% OffFree Shipping
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, exclusive 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: Smart scheduling, advanced geofencing, open-window sensor without additional window contacts and much more – the thermostat has numerous features for your heating system
- 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
- OPTIONAL FEEL-GOOD PACKAGE: Auto-Assist provides you with insights into the energy costs, information and solutions for heating problems as well as automated geofencing and open-window detection
- Important to know: tado X products are not compatible with tado V3+ or older
3
Wiser Smart Thermostat Heating Kit Thermostat Kit 1 & 3 x Smart Radiator Thermostat TRV – Combi Boiler Heating Only Complete Heating Control from Anywhere DIY Install
Drayton
Free Shipping
Drayton
Wiser Smart Thermostat Heating Kit Thermostat Kit 1 & 3 x Smart Radiator Thermostat TRV – Combi Boiler Heating Only Complete Heating Control from Anywhere DIY Install
Free Shipping
Why We Love It
- Saves significantly on energy bills.
- Provides complete room-by-room control.
- Has a customisable setup.
Main Highlights
- SAVE ON ENERGY BILLS - With full control of your Wiser system from our app, you can monitor your energy use, predict expenditure and set your own budgets. With smart features such as Away Mode and Eco Mode, you have the power to save up to £575 a year.
- COMPATABILITY – This kit is designed to work with Combi Boilers Only and will allow control of your heating system.
- ROOM-BY-ROOM CONTROL – This kit includes 3 smart radiator thermostats to give complete control. Each radiator thermostat added allows you to control the temperature of the room it’s fitted in. Add radiator thermostats to all rooms to enable complete room by room control.
- DIY SETUP - The Heat HubR can be installed on a standard wallplate in minutes. It really is as simple as unscrewing your old controller and screwing in your new Heat Hub. Check the instructions for full guidelines.
- CUSTOMISABLE SETUP - Wiser can support up to 16 rooms, 62 Radiator Thermostats and up to 10 Smart plugs, no matter the layout of your home, Wiser can help.
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Hive Thermostat for Heating (Combi Boiler) with Hive Hub - Energy Saving Thermostat – to highlight the boiler needed is a combi boiler, Black,chrome
Hive
44% OffFree Shipping
Hive
Hive Thermostat for Heating (Combi Boiler) with Hive Hub - Energy Saving Thermostat – to highlight the boiler needed is a combi boiler, Black,chrome
44% OffFree Shipping
Why We Love It
- Saves money yearly.
- Customizable heating schedules.
- Boost heating on demand.
Main Highlights
- Heating schedules – set up to six daily time slots
- Geolocation – heating alerts when you leave or return home
- Automatic Frost Protection – helps prevent frozen pipes
- Geolocation – heating alerts when you leave or return home
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Smart Thermostat for Combi Boiler/Water Underfloor Heating, WiFi Thermostat Works with Apple HomeKit Siri, Alexa, Google Home, Wired Installation, Support Remote Smart Heating Control
Refoss
22% OffFree Shipping
Refoss
Smart Thermostat for Combi Boiler/Water Underfloor Heating, WiFi Thermostat Works with Apple HomeKit Siri, Alexa, Google Home, Wired Installation, Support Remote Smart Heating Control
22% OffFree Shipping
Why We Love It
- Smart thermostat with remote control.
- Energy-saving open window detection.
- Accurate dual temperature sensors.
Main Highlights
- ☀【Smart Thermostat Control】The WiFi heating thermostat is compatible with most boiler/water underfloor heating systems. You can control the heating remotely using the free app “Refoss” or voice control, which is compatible with Apple HomeKit Siri, Amazon Alexa (Echo, Echo Dot), Google Home, or manual touchscreen control. Only 2.4GHz WiFi is supported, and no Hub is required.
- ☀【Open Window Detection Function】Save energy and reduce electricity bills! When a window is detected as open, the smart thermostat will automatically shut down for 30 minutes to avoid energy waste. The app will also send you notifications to remind you when the window is open.
- ☀【Dual Temperature Sensor】To accurately sense the room temperature for maximum home comfort, we utilize an internal sensor to detect air temperature and an external sensor wire to measure the floor temperature as needed (installing the external sensor wire is necessary for external sensing). You can switch between the sensors based on different scenarios to better control the heat while preventing overheating. Temperature control range: 5-35°C; Measurement temperature accuracy: 0.1°C.
- ☀【Schedule and Multi-room Control】You can add and delete scheduling functions, supporting up to 8 events per day. The thermostat allows for a 24/7 schedule for different rooms. Multiple Alexa thermostats can be used to control different rooms. The heating system turns on and adjusts the temperature automatically when you’re at home and turns off automatically when you go out, based on the schedule you set.
- ❄【Add Summer Mode Function】 The summer mode function can be utilized for cooling during the summer and necessitates a cooling-compatible system, such as an air-to-air heat pump system. Please note that certain features mentioned require the latest version of the app. Ensure that you update both your app and firmware. The iOS version has already been released, and the Android version will be available soon.
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Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant
meross
Free Shipping
meross
Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant
Free Shipping
Why We Love It
- Smart control for ideal temperature.
- Accessible multi-room temperature regulation.
- Avoids wastage with open-window detection.
Main Highlights
- * 💧[SMART CONTROL] Saving more energy than traditional thermostats! Wireless thermostat for combi boiler supports voice/remote/app and family share control. "Hey Siri, stop the living room's heating", when you about to sleep. Or use remote control to preheat home to 21℃ when you go back home. Your home always maintains the temperature you like. Compatible with Apple HomeKit, Amazon Alexa, Google Assistant, SmartThings. Easy and quick smart control, saves more time and energy.(2.4GHz Wi-Fi Only)
- 💧[DUAL TEMPERATURE SENSOR] The meross Wi-Fi thermostat has a dual temperature sensor. The built-in sensor measures the air temperature in room, and the external sensor measures the temperature outside room. You can switch the sensor according to different scenarios to better control the heat while preventing overheating. Temperature control range: 5-35°C; Accuracy: 0.5°C.
- * 💧[ENERGY SAVING] Save up to 30% heating costs! The alexa thermostat supports Muti-room function and open-window detection. Use multiple hubless smart thermostats to control different rooms; When detected window-open(temperature dropped sharply), you will get a window opening notification on phone while the room thermostat will stop heating for 30 minutes to avoid electricity waste.
- 💧[SCHEDULE AND FAMILY SHARE] Heating control by zone and time for maximum energy savings. In the meross app, you can clearly see the room temperature and set schedule. Support 7/24 schedule and 6 time windows/day setting, including temperature control and heating on/off for different rooms. If you are not an Apple Home user, you can still use meross app to achieve home sharing control to make your home temperature more comfortable.
- 💧[EAST TO INSTALL/USE] NO HUB REQUIRED! The Wi-Fi heating thermostat is compatible with most boiler/water underfloor heating systems. With app's install instructions or guide video(after product images on top), you can use the meross thermostat after few minutes. Meross app supports Android(above 6.0) and iOS system (13 or above). Quick touch control directly from elegant glass panel, even without using app.
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Hive Thermostat Mini for Heating (Combi Boiler) without Hive Hub - Multizone
Hive
9% OffFree Shipping
Hive
Hive Thermostat Mini for Heating (Combi Boiler) without Hive Hub - Multizone
9% OffFree Shipping
Why We Love It
- Saves money annually.
- Elegantly designed interface.
- Simple temperature adjustments.
Main Highlights
- 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
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Smart Wireless Thermostat, WiFi Thermostat Works For GOOGLE Home, For ALEXA For Combi Boiler/Water Underfloor Heating
GLOBALHUT
GLOBALHUT
Smart Wireless Thermostat, WiFi Thermostat Works For GOOGLE Home, For ALEXA For Combi Boiler/Water Underfloor Heating
Why We Love It
- Remote control via smartphone.
- Hands-free voice activation.
- Customizable programming modes.
Main Highlights
- *Remote Control: Easily connect to the For Tuya For Smart Life App for seamless remote management of your thermostat from anywhere using your smartphone, enhancing convenience and flexibility in temperature regulation.
- *Voice Activation: For GOOGLE Home, For ALEXA,this WiFi thermostat allows you to adjust settings hands-free, making it a perfect addition to your smart home ecosystem.
- *Programmable Settings: With three programming modes (5+2/6+1/7), you can customize different temperature settings for various times throughout the week, insure comfort tailored to your lifestyle.
- *Precision Temperature Control: Maintains a constant room temperature with an accuracy of ±0.5℃, providing a consistent and comfortable living environment regardless of outside conditions.
- *Versatile Power Options: This thermostat can be powered either by batteries or USB, offering flexibility in installation and insure it can function in diverse settings without being constrained by power sources.
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KETOTEK Smart Thermostat for Boiler 5A 220V Compatible with Alexa, Digital Chronothermostat WiFi Programmable Thermostat Boiler/Water Underfloor Heating Controller, Tuya/Smart Life APP Control
KETOTEK
Free Shipping
KETOTEK
KETOTEK Smart Thermostat for Boiler 5A 220V Compatible with Alexa, Digital Chronothermostat WiFi Programmable Thermostat Boiler/Water Underfloor Heating Controller, Tuya/Smart Life APP Control
Free Shipping
Why We Love It
- Easy installation, enhanced safety.
- Control temperature from anywhere.
- Voice control with Alexa/Google Assistant.
Main Highlights
- Easy Installation - Wall mounted with screws or on 86 mm x 86 mm back box, round back box Ø60 mm or 503 back box, this wifi thermostat works with boiler or water underfloor heating systems. For boiler system: The thermostat uses passive dry contacts (ports NO and COM) to control the boiler's operation (start/stop). Confirm your boiler supports dry contact control before purchase. Power supply: AC 90-240V 50/60Hz, Output: Max 5A. 220V AC power supply required.
- Control from Anywhere - Effortlessly connect your KETOTEK Boiler Thermostat WiFi to home network for seamless remote control via Smart Life/Tuya APP. You can monitor and adjust your room temperature, create schedule and use a variety of options in the App from anywhere, anytime. Share access with family for collaborative control. 2.4GHz WiFi required (don't support 5GHz).
- Alexa/Google Assistant Compatible - This WiFi Thermostat for Boiler works with Alexa and Google Assistant. Connecting to Alexa is as easy as setting up any other Alexa skill. Once connected to Alexa, you can set your home temperature or turn on/off the thermostat by voice, without getting out from under the covers, especially in the winter.
- Energy-Saving Automation - Choose Program, Manual, or Holiday mode to match your routine. Program mode offers 5-2 (weekday and weekend), 6-1 (Sunday different from the rest) and 7-0 (all days the same) weekly schedules with 6 time/temperature settings per day. With smart window detection, the Smart Boiler Thermostat pauses heating if sudden temperature drops (like an open window) occur, saving energy and money.
- More Reliable Features - Offering a 5℃~35℃ temperature range, this smart thermostat for boiler offers reliable features you'll love: heating/cooling mode selection, temperature history query, standby backlight setting, temperature calibration, reset function and memory function, etc. If you don't want others to change settings through the wall display, you can lock the thermostat.
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Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (Black)
Honeywell Home
Free Shipping
Honeywell Home
Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (Black)
Free Shipping
Why We Love It
- Modern design and user-friendly.
- Versatile with various systems.
- Energy-saving and cost-efficient.
Main Highlights
- The Only Thermostat You Need: Built on feedback from professionals, the programmable, intelligent DT3 thermostat range brings together modern design with easy to use functions. Choose a wired or wireless room thermostat to suit any installation.
- Versatile: This wall mounted, wired smart thermostat can be installed standalone or part of an existing system, including conventional and combi boilers, and new heating systems. Compatible with hybrid and green heating systems.
- User Friendly: Intuitively designed digital thermostat for easy operation. Features capacitive touch buttons and an easy to read, energy efficient, LED based dimming display that turns off when the screen is not in use.
- Forward Thinking Design: Backward and forward compatible with both heating and cooling, including gas boilers, combi-boilers, and heat pumps. This system can be integrated with other smart devices from Honeywell Home.
- Customer Favourite: This Honeywell thermostat provides easy programming, built in frost protection, and self learning TPI fuzzy logic control. The slim design looks sleek and modern in any home.
- Energy Saving Programs: The simple, adjustable home thermostat includes a built in boost mode to increase room temperature for a set time period. Also features a built in eco mode to reduce room temperature for set times to help save on energy costs.
- Easy to Install: DT3 wired thermostats come with installation manuals in the box, including QR codes that lead directly to installation videos. Features a wiring plate for easy installation with a variety of systems and applications.