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Smart Boiler Controls Comparison - April 2026

6 Best Smart Boiler Controls In the UK

1
Best Choice
9.8Exceptional
2
Best Value
9.7Exceptional
3
9.6Exceptional
4
9.3Excellent
5
9.2Excellent
6
8.9Very Good
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Model

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
Model
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)
Model
ENGO E901WIFI Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control
Model
ENGO E20i Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control (White)
Model
KETOTEK WiFi Smart Thermostat for Boiler 3A 220V Compatible with Alexa, Digital White Boiler Thermostat Programmable Tuya/Smart Life APP Remote Control, Dry Contact
Model
Smart Immersion Heater Timer Switch with an Installation Box, 40A 8000W WiFi Touch Boiler Switch with Timer, Smart Life APP Remote Control for Lights, Works with Amazon Alexa & Google Assistant

Brand

Honeywell Home
Brand
tado
Brand
ENGO
Brand
ENGO
Brand
KETOTEK
Brand
BritPick

Reviews

6,009 reviews
Reviews
5,439 reviews
Reviews
3 reviews
Reviews
18 reviews
Reviews
5,373 reviews
Reviews
-

Tech Specs

item weight

200 g
item weight
‎870 g
item weight
600 g
item weight
430 g
item weight
270 g
item weight
230 g

color

Black
color
‎Black
color
White
color
White
color
White
color
WH-1A

product dimensions

10.3 x 2.8 x 10.3 cm 200 g
product dimensions
-
product dimensions
2.2 x 15 x 8.4 cm 600 g
product dimensions
2.2 x 8 x 8 cm 430 g
product dimensions
8.6 x 4 x 8.6 cm 270 g
product dimensions
10 x 11 x 5 cm 230 g

special features

Programmable
special features
‎Programmable
special features
Works with Alexa, Temperature Display, Smart Thermostat, App control, Programmable
special features
Smart Thermostat, Works with Google Assistant, Works with Amazon Alexa, Programmable via ENGO Smart App
special features
Programmable
special features
-

voltage

5 Volts
voltage
‎4.5 Volts (DC)
voltage
230 Volts
voltage
230 Volts
voltage
220 Volts
voltage
-

included components

1 x T6 Smart Thermostat and Receiver Box
included components
‎Wireless Receiver X, Wireless Temperature Sensor X, Trimplate, 3x AAA battery, 2x wall mounting screw, 3x sticky pad, wiring accessories, cable
included components
-
included components
-
included components
-
included components
No

batteries required

No
batteries required
‎Yes
batteries required
-
batteries required
-
batteries required
-
batteries required
No

Available On

Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Honeywell Home
    20% Off

    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

    Easy to use touch-screen interface.
    Remote control via Honeywell Home app.
    Smart home integration with Apple and Google.
    Main highlights
    • 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.
    • 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.
    • 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.
    • 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.
    • 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.
  • 9.7
    2
    tado
    17% Off

    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)

    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
    • 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
    • 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
    • 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
    • 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
  • 9.6
    3
    ENGO

    ENGO E901WIFI Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control

    Why we love it

    Control heating from anywhere.
    Voice-activated with Alexa and Google.
    Easy to install and use.
    Main highlights
    • Wireless Thermostat: The ENGO E901WIFI battery powered thermostat connects wirelessly to the receiver and can be wall or desktop mounted anywhere away from a heat source or direct sunlight
    • WiFi Thermostat: Reliable 2.4 GHz WiFi connection built into the receiver, eliminating the need for an additional gateway hub
    • Smart Thermostat: Control your home’s heating from anywhere using the ENGO Smart app or voice commands with Amazon Alexa and Google Assistant
    • Smart Heating Controller: Set schedules and manage energy use for optimal efficiency, helping you save on heating costs
    • Easy to Use: This smart thermostat has an easy-to-read display and sliding function panel making programming possible via the thermostat or simply through the ENGO Smart app
    • Alexa Thermostat: Seamlessly integrates with Amazon Alexa and Google Assistant for voice-activated control

Our ranking system

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Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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Value for money

topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

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