Best Hydronic Smart Thermostats of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 11 Feb 2026

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Hydronic smart thermostats are cutting-edge devices designed to optimise the heating system in your home or office. These thermostats use advanced technology to automatically adjust the temperature of your heating system based on your preferences and daily routine. They can also be controlled remotely via a smartphone app, allowing you to adjust the settings from anywhere. With features such as energy-saving modes, programmable schedules, and real-time monitoring, hydronic smart thermostats are an excellent investment for anyone seeking to save money on their heating bills while maintaining a comfortable indoor environment.

At a Glance: Our Top Picks

tado° Wired Smart Thermostat Starter Kit V3+ Cover #TOP 1
tado° Wired Smart Thermostat Starter Kit V3+
ftb score rating icon 9.8
tado° Wired Smart Thermostat for Multizone Control Cover #TOP 2
tado° Wired Smart Thermostat for Multizone Control
ftb score rating icon 9.7
tado° Wired Smart Thermostat V3+ Control Heating Cover #TOP 3
tado° Wired Smart Thermostat V3+ Control Heating
ftb score rating icon 9.5

Top 10 Hydronic Smart Thermostats

tado° Wired Smart Thermostat Starter Kit V3+

4260328611456
White
tado° Wired Smart Thermostat Starter Kit V3+ Cover
tado° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT

The tado° Smart Thermostat offers you full control over your heating from anywhere via the tado° app. You can enjoy a Heating Boost feature that allows you to quickly warm up all rooms for 30 minutes with just one click. The Smart Schedules feature helps you maintain the perfect temperature in each room at any time, ensuring heating is only active when someone is home. Additionally, if the app detects an open window or no one is home, it will remind you to lower the heating, helping you save energy and money.

What We Like
Intelligent heating control
Easy DIY installation
Works with smart assistants
Energy-saving features
Compatible with various heating systems
#TOP 2

tado° Wired Smart Thermostat for Multizone Control

V3P-ST01-TC-ML-01
White
tado° Wired Smart Thermostat for Multizone Control Cover
tado Wired Smart Thermostat - Add-On Thermostat For Multizone Control, Digital Heating Management, Easy Installation, Save Heating Energy And Costs - Replacement Of Existing Wired Thermostats

The tado° Wired Thermostat allows you to save energy and costs by expanding your existing heating system. You can manage multiple rooms or zones individually, setting Smart Schedules via your smartphone to maximise comfort tailored to your routine. This thermostat is compatible with almost all heating systems, making it easy to replace your old wired thermostats. Even if you live in a rented property, you can install this system and simply reinstall the old equipment when you move out.

What We Like
Energy and cost savings
Smart control for multiple zones
Compatible with most heating systems
Easy installation for renters

tado° Wired Smart Thermostat V3+ Control Heating

104388
White
tado° Wired Smart Thermostat V3+ Control Heating Cover
tado° Wired Smart Thermostat Starter Kit V3+ The Smart Thermostat Gives You Full Control Over Your Heating From Anywhere, Save Energy, Easy DIY Installation, Works With Amazon Alexa, Siri, and Google

The tado° Wired Thermostat allows you to save energy while enjoying full control over your home heating. With its smart heating technology, you can easily manage your heating from anywhere using the intuitive app. The Open Window Detection feature automatically adjusts the temperature when it senses an open window, preventing energy waste. Additionally, the Smart Schedules feature lets you programme your heating according to your daily routine, ensuring warmth when you need it most. With Advanced Geofencing, you can preheat your home before you arrive, adding convenience to your lifestyle.

What We Like
Energy-saving technology
User-friendly smartphone app
Automatic temperature adjustments
Preheating before arrival
Compatible with various systems

Meross WiFi Smart Thermostat with Voice Control

MTS960
White
HomeKit
Meross WiFi Smart Thermostat with Voice Control Cover
Meross WiFi Smart Thermostat works with HomeKit Alexa Google Home, Digital Wireless Thermostat Temperature Controller Remote and Voice Control for Heating and Cooling, 13A, White

The Meross Smart Thermostat offers great convenience with its WiFi compatibility, allowing you to control your heating and cooling remotely or by voice. You can easily monitor the temperature in various areas of your home, including bedrooms and greenhouses. With multiple advanced functions, this thermostat helps you manage energy usage and set alarms for high or low temperatures. Additionally, the 7x12 Smart Schedule feature enables you to customise your heating and cooling throughout the week, ensuring comfort even during Wi-Fi disruptions.

What We Like
Voice control for convenience
Customisable temperature schedules
Wide temperature measurement range
Energy monitoring capabilities
Compatible with multiple smart systems

Meross Smart Thermostat for Underfloor Heating

MTS200
White
Smart Thermostat
Meross Smart Thermostat for Underfloor Heating Cover
Meross Smart Thermostat, for Electric Underfloor Heating, with Timer, Programmable and Multi-room Control, Hubless, Voice/Remote Control, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant

The Meross Smart Thermostat offers versatile control over your electric underfloor heating system, with the added benefit of a summer mode for cooling systems. You can easily manage your heating using voice commands, a dedicated app, or a remote, providing convenience in your daily routine. The dual sensors ensure precise temperature adjustments by monitoring both room air and floor temperature, helping you avoid overheating. Additionally, the open window detection feature notifies you if a window is opened, allowing the thermostat to pause heating and save energy, which can lead to significant cost savings.

What We Like
Easy voice and app control
Precise temperature adjustments
Energy-saving window detection
Quick self-installation

KETOTEK Smart WiFi Thermostat for Underfloor Heating

KTF0155A
White
KETOTEK Smart WiFi Thermostat for Underfloor Heating Cover
KETOTEK Smart Thermostat WiFi for Electric Underfloor Heating 16A Compatible with Alexa, Programmable Underfloor Heating Thermostats Controller with NTC Probe Sensor

The KETOTEK WiFi Thermostat offers a convenient way to manage your electric underfloor heating. With WiFi connectivity, you can easily control the thermostat from your smartphone, allowing you to adjust temperatures and create schedules from anywhere. It is compatible with both Alexa and Google Assistant, enabling you to change settings with simple voice commands. Additionally, you can set specific heating schedules that align with your lifestyle, helping you save on energy bills while ensuring your home remains comfortable.

What We Like
WiFi connectivity for remote access
Voice control with Alexa and Google
Customisable heating schedules
Energy-saving features
#TOP 7

Drayton Wiser Smart Thermostat with Dual Zone Control

Drayton by Schneider Electric
WT734R9K0902
White
Thermostat Kit 3
Drayton Wiser Smart Thermostat with Dual Zone Control Cover
Drayton Wiser Smart Thermostat Dual Zone Heating and Hot Water Control - Works with Amazon Alexa, Google Home, IFTTT

The Drayton Wiser Thermostat offers you a comprehensive solution for managing your heating and hot water. With the ability to save on energy bills, you can monitor your usage and set budgets, potentially saving up to £575 annually. Its compatibility with various boiler types allows you to control multiple heating zones. You can also upgrade to room-by-room control by adding radiator thermostats, ensuring each room is at your preferred temperature. The customisable setup supports a large number of devices, making it ideal for diverse home layouts.

What We Like
Energy-saving features
Easy DIY installation
Room-by-room temperature control
Comprehensive monitoring insights
Open window detection

Bosch Smart Home Room Thermostat II for Heating

8750002388
White
Bosch Smart Home Room Thermostat II for Heating Cover
Bosch Smart Home Room Thermostat II for Wired Heating Systems, 230 V, Compatible with Google Assistant and Alexa

The Bosch Room Thermostat II offers precise heat regulation, ensuring your home maintains an optimum temperature. You can easily keep track of the current room temperature, heating status, and humidity on its LED matrix display. With convenient control options, you can adjust settings directly on the device, via an app remotely, or through voice commands using Alexa and Google Assistant. Additionally, the thermostat allows for flexible time programmes, enabling you to create individual heating plans and adjust heating breaks as necessary, enhancing your comfort and energy efficiency.

What We Like
Precise heat regulation
Remote and voice control
Flexible time programmes
LED display for easy monitoring

KETOTEK WiFi Smart Thermostat for Boiler

KTF0155C
White
3A Boiler
KETOTEK WiFi Smart Thermostat for Boiler Cover
KETOTEK WiFi Smart Thermostat for Boiler 3A 220V Compatible with Alexa, Digital White Boiler Thermostat Programmable Tuya/Smart Life APP Remote Control, Dry Contact

The KETOTEK Smart Thermostat offers seamless control over your heating system. With WiFi connectivity, you can easily manage your home's temperature via the Smart Life or Tuya App, allowing you to adjust settings remotely. Voice control compatibility with Alexa and Google Assistant means you can simply ask for temperature changes without leaving your cosy spot. Additionally, you can create personalised heating schedules tailored to your daily routine, ensuring efficient energy use and comfort at all times.

What We Like
Easy app control
Voice control with Alexa
Customisable heating schedules
Energy-saving features

Hive Thermostat for Heating and Hot Water Control

851812
White
15 x 62 x 62 cm
Hive Thermostat for Heating and Hot Water Control Cover
Hive Thermostat for Heating and Hot Water Control (Conventional Boiler) without Hive Hub, White

The Hive Thermostat offers excellent control over your heating and hot water. With the ability to set up to six daily time slots, you can easily tailor your heating schedule to fit your lifestyle. The heating and hot water boost feature allows you to enjoy warmth for up to six hours when needed. Additionally, automatic frost protection helps prevent any risk of frozen pipes, giving you peace of mind during colder months. Lastly, the geolocation feature sends alerts when you leave or return home, ensuring your property is always at a comfortable temperature when you arrive.

What We Like
50% off annual plan
Customisable heating schedules
Frost protection feature
Geolocation alerts
Holiday mode for convenience
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Does Nest work with hydronic heating?

The Nest Thermostat range does support hydronic (water based) underfloor heating, whereas support for electric UFH is more limited. Plus Nest Thermostats can only control a single heating source, not multiple.

2. Can you use smart thermostat with radiant heat?

SunTouch. The SunTouch thermostat that works for radiant heat is a smart thermostat. It is WiFi-enabled and can be accessed from outside of your home. This model has a floor sensor as well as an option room-temperature sensor and works with electric radiant heat.

3. Can a smart thermostat work with any boiler?

Smart thermostats can be used with most any modern boiler. However, some older or damaged boilers will not connect to a smart thermostat. Before buying a smart thermostat, be sure to check its compatibility to ensure it will work with your heating system.

4. Does ecobee work with hydronic heating?

Overall, the ecobee system can be compatible with a wide variety of systems such as hydronic heating systems and radiant heating systems.

Editor's Notes

During our hydronic smart thermostat research, we found 160 hydronic smart thermostat products and shortlisted 10 quality products. We collected and analyzed 72,706 customer reviews through our big data system to write the hydronic smart thermostats list. We found that most customers choose hydronic smart thermostats with an average price of £101.68.

The hydronic smart thermostats are available for purchase. We have researched hundreds of brands and picked the top brands of hydronic smart thermostats, including tado, meross, KETOTEK, Drayton by Schneider Electric, Bosch.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.