Best Thermostat Wifi 2026

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Last Updated - 03.02.2026

Best Choice

01

ET - EUROTRONIC Technology GmbH

Eurotronic 700200 Comet Wifi 2021 Radiator Thermostat (Heating via WiFi, Compatible with Alexa, Save Heating Costs, Regulate Room Temperature on the Go, Smart Home Accessories, Pack of 3)

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9.7

Exceptional

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Main highlights

Save heating costs: The holiday function and the window open detection allow automatic regulation and thus particularly energy-efficient heating, which can save up to 30% on heating costs.
Optimal smart home accessory: with the thermostat you can conveniently control the room temperature via any 2.4 GHz WLAN network. The Alexa compatible heater controller can be integrated into your smart home without an additional gateway.
Note: The device can only be used in a 2.4GHz Wi-Fi
Modern Design The heater controller comes with LED indicator and touch sensor buttons on the device for manual control. The thermostat fits almost all radiator valves and runs particularly silently
Easy to use on the go: via the app, you can use individual heating profiles for e.g. kitchen, children's room, living room and bathroom and operate the intelligent temperature controller from anywhere in real time.
Box contents: Eurotronic Comet WiFi 2021 set of 3 energy-saving controllers, quick operation instructions, 6 AA batteries, 9 plastic adapters (Danfoss RA, RAV, RAVL) - colour: white

95,23 €
Value for Money

02

Bosch

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

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42% Off
9.6

Exceptional

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Main highlights

Temperature at a glance: thermostat shows current room temperature, heating status and relative humidity on LED matrix display
Precise heat regulation: smart flush-mounted control for wired heating systems or existing underfloor heating systems ensures optimal feel-good temperature
Maximum added value in the system: a Bosch Smart Home Controller or Bosch Smart Home Controller II is required to integrate into the Bosch Smart Home System
Flexible time programs: temperature control via individual heating plans or adjustable heating pauses possible, so that the heating mode can be flexibly paused per room if required
Convenient control: heat regulation directly on the device via rotary and push button, fully automated, remotely in the app, or via voice via Amazon Alexa and Google Assistant
Box contents: 1 x room thermostat II 230 V, 1 x flush-mounted housing 230 V, 1 x wire bridge, Quickstart guide (11 languages)

66,39 € 114,95 €(42% Off off)
03

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Wifi, radiator thermostat, intelligent heating via WLAN, save heating costs, thermostat to regulate room temperature of the road, smart home accessories

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26% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Smart's living: With the wireless thermostat you control your room temperature, etc. in the kitchen, children's, living room and bathroom conveniently integrable via every 2.4 GHz WLAN network - stable and without additional gateway into your SmartHome.
Save costs: The room thermostat for comfortable comfort, thanks to real-time behavior, transforms temperature changes immediately and transmits them while it has a particularly low battery consumption over comparable devices.
Perfect room temperature from the road: The intelligent temperature controller ensures a preheated apartment whenever you come home has a vacation function and accesses your individual heating profiles.
Note: It is important to download the software update in the app for your product.
Intuitive Operation: The heating controller in noble, modern design with LED display is compatible with any WLAN router, fits almost all radiator valves and can be easily controlled by app or via the sensor keys on the device.

29,75 € 39,99 €(26% Off off)
04

BEOK CONTROLS

BEOK CONTROLS TOL47WIFI Underfloor Heating Thermostat Underfloor Heating WiFi for Water Heating, Intelligent Compatible with Alexa, Tuya Smart Life App 3A

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15% Off
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Weekly programming: the room thermostat is equipped with a programming mode, a manual mode and a temporary manual mode. The programming mode includes 5+2/6+1/7 options to maximise comfort and energy saving strategies that allow you to adjust the heating in your home to your lifestyle. Keep your home warm and cosy when you are at home, and save energy when you are absent.
Packing list: 1 x flush-mounted thermostat, 2 x mounting screws, 1 x instruction manual (English language not guaranteed); Voltage: AC 100-240 V, 50/60 Hz, Load current: 3 A; Dimension: 8.5 x 8.5 x 4.2 cm.
Other functions: adjustable range from 5 to 60°C; large LCD display with adjustable brightness, clear and easy to read even in the dark; Other functions: Temperature calibration, power failure memory function, child lock, frost protection function, high temperature protection, starting temperature difference and more.
Easy control via app: This intelligent thermostat is suitable for controlling water underfloor heating devices, such as thermal head, motorised valves and so on. You can control the water underfloor heating thermostat, check the current status, change the temperature settings, create intelligent scenes, share the device with your family, etc. anytime and anywhere via the "TUYA" or "Smart Life" app; 2.4 GHz WiFi is required.
Compatible with Google Home and Alexa: Quickly connects to your mobile phone via Bluetooth and Wi-Fi with simple steps; smart home integration and heating is controlled by voice via Amazon Alexa and Google Assistant. Simply send a voice command to change the current temperature or turn a device on/off (e.g. Alexa, set the living room to 20°).

33,99 € 39,99 €(15% Off off)
05

TP-Link

TP-Link Kasa KE100 Smart Radiator Thermostat, Accessory Product, Energy Saving, Schedule, Control on the Go via App, Alexa and Google Assistant, Hub Required, White, 56.6 x 56.5 x 83.93 mm

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15% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile compatibility – Fits most radiator valve threads (M30x1.5) and the six included adapters (RA, RAV, RAVL, CAL, M28 and GIA) ensure more compatibility. -
Ultra-long standby time – Using the energy-saving wireless technologies that promise a longer battery life.
Smart anywhere and any time – Control the temperature of your home with the Kasa Smart App from anywhere and any time. Set schedules to automate your heating that matches your daily routines. Open window detection – KE100 can now work with Tapo T110. Please add Tapo T110 via the KH100 hub in the Kasa app.
Room-by-room comfort – Set the perfect temperature in each room individually. Save your preferred scenario for further use.
Please note that the Kasa KE100 can only be controlled via the Kasa app and not via the Tapo app. Tapo sensors (Tapo T110, Tapo T310, Tapo T315) can be set up in the Kasa app. Please add the Tapo sensors via the KH100 hub in the Kasa app. The Kasa KE100 kit only supports 2.4GHz WiFi, not 5GHz.
One for all – Each hub can connect and control up to 32 radiators, with the Kasa app you can combine and control all radiators. All rooms under control.
Matter certified – Users can connect the KE100 locally to Apple Home, Amazon Alexa, Google Home, Samsung SmartThings or other Matter-enabled smart home platforms. *Kasa Hub required. *Please update the Kasa app and KH100 firmware to the latest version. 1. Go to the KH100 Hub page in the app, then go to Device Settings > Mount to Matter to find Matter code. 2. Follow the Matter setup process to configure KH100. 3. All other Kasa Hub products, such as TRVs and sensors, are synchronised with third-party platforms.
Easy installation – Simply replace your old radiator valve with Kasa and follow the step-by-step instructions (English language not guaranteed) in the app for installation. You can do all this yourself without difficulty.
Child lock – Prevent children from accidentally operating your radiator.
Caution. Please note that this thermostat must work together with a hub, you must have KE100 KIT in advance. KE100 cannot work with the Tapo H100 and Tapo H200 hub, but only with the hub in the KE100 kit.

24,65 € 29,00 €(15% Off off)
06

TP-Link

Kasa Smart Radiator Thermostat KE100 Kit, Digital Thermostat Heating with Hub, Energy Saving, Schedule, Control on the Go via App, Alexa and Google Assistant, Easy Installation and Use

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30% Off
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile compatibility – Fits most radiator valve threads (M30x1.5) and the six included adapters (RA, RAV, RAVL, CAL, M28 and GIA) ensure more compatibility. - From version 1.20 and above versions, 6 adapters are provided.
Up to 32 radiators – each hub can connect and manage up to 32 radiators.
Time plan and timer: make sure it is as warm as you need it with presets and schedules that fit your life.
Remote control: automatically turns off the heater and activates frost protection when the connected window and door sensor (Tapo T110) is triggered. 1) Open the Kasa Smart App > Search the KH100 > Tap to add the Tapo sensor to the same KH100 as the KE100. 2) Go to the app home page > Search KE100 > Tap to set the temperature correction/detection of the open window.
Please note that the Kasa KE100 kit can be used via the Kasa app and not via the Tapo app. Tapo sensors (Tapo T110, Tapo T310, Tapo T315) can be set up in the Kasa app. Please add the Tapo sensors via the KH100 hub in the Kasa app. The Kasa KE100 kit only supports 2.4GHz WiFi, not 5GHz.
Matter certified – Users can connect the KE100 locally to Apple Home, Amazon Alexa, Google Home, Samsung SmartThings or other Matter-enabled smart home platforms. *Kasa Hub required. *Please update the Kasa app and KH100 firmware to the latest version. 1. Go to the KH100 Hub page in the app, then go to Device Settings > Mount to Matter to find Matter code. 2. Follow the Matter setup process to configure KH100. 3. All other Kasa Hub products, such as TRVs and sensors, are synchronised with third-party platforms.
Frost protection – so that your pipes do not freeze and your home is safe.
Free geofencing: your house heats up automatically when you approach and turns off when you are away.
0.1 °C measurement accuracy – Set the perfect temperature for each room individually and regulate the heating of your home according to zones. No more wasting energy on empty spaces.

34,99 € 49,99 €(30% Off off)
07

EZAIoT

EZAIoT Socket Thermostat WLAN Heating / Cooling and Timer Switch with 3 m and 5 cm Sensor, Digital Temperature Controller for Greenhouses, Aquariums, 230 V, OLED Screen

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15% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Plug and Play】Precise temperature control # Easy installation without complicated wiring; just plug and play # Temperature measurement range: -30℃ to 110℃; Temperature accuracy 0.1℃ (supports Celsius and Fahrenheit). Equipped with high-precision long (3 m) and short (5 cm) temperature sensors - both are waterproof
【Multifunctional】#6 operating modes: cooling, heating, weekly programmed cooling, weekly programmed heating, cycle timer and countdown timer. # A variety of advanced functions: child lock, too high and low temperature alarm, sensor error alarm, temperature calibration, temperature scale switching, switching deviation protection, frost protection function, compressor delay protection, and adjustment of screen brightness and brightness time
【App Remote Control】# EZAIoT thermostat socket: supports both device button control and app remote control and voice control. The app of the socket provides a clear user interface with timely feedback and notifications for smooth operation
Safe, reliable and easy to use: The housing of the socket is made of flame retardant PC material and is suitable for high-performance devices up to 16 A / 3680 W. # High and low temperature alarms as well as sensor failures ensure safety. # The OLED display provides multi-level menu navigation and helpful pop-up instructions, so even beginners and the elderly can easily use the thermostat socket
Multi-scenario application: This temperature control socket is suitable for temperature control in swimming pools, cellars, wine cellars, greenhouses, reptile pools, aquariums, pet husbandry, greenhouse heaters, baby rooms, attic fans, evaporative coolers, electric fireplace heaters, window air conditioners as well as in the processes of cultivation, fermentation, beer brewing

33,99 € 39,99 €(15% Off off)
08

SALCAR

SALCAR Smart Thermostat Boiler WLAN Heating Thermostat T5W WiFi Room Thermostat with Humidity Control Tuya Programmable Wall Thermostat Underfloor Heating Water Battery Included

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25% Off
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Remote control and voice control: control your heating anytime and anywhere via the Tuya Smart Life app. After you link your app account to your Amazon or Google account, you can use Amazon Alexa or Google Assistant for smart home integration and voice control.
Package contents: thermostat, instruction manual, installation guide, screws, 1.5 V alkaline AA batteries included.
High performance: control your heating anytime and anywhere via the Tuya Smart Life app, you can choose between automatic mode and manual mode to make your life smarter and easier.
Energy-saving: the radiator thermostats can set different heating periods and temperatures according to personal habits, with up to 6 heating events. There are three programmable modes: 5+2, 6+1 and 7 days per week.
Areas of application: actuator control on dry control. Other functions: child lock, frost protection, power failure storage, humidity control (built-in Swiss made sensor) etc.

29,99 € 39,99 €(25% Off off)
09

Decdeal

Decdeal WLAN Thermostat Room Thermostat for Water Underfloor Heating, Programmable 230 V LCD 3 A with the Tuya App (White)

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17% Off
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

WiFi remote control room thermostat (TUYA), 2.4 GHz WiFi
Please turn on WiFi and Bluetooth at the same time to connect.
Please switch to 2.4 GHz WiFi or a mobile phone hotspot for connection.
NTC Temperature Sensor
Electric underfloor heating is not supported
6+1 programming function

23,99 € 28,99 €(17% Off off)
10

SALCAR

SALCAR Smart Radiator Thermostat WiFi TRV603 Thermostat Heating Compatible with Amazon Alexa & Google Assistant Programmable Heating Thermostat Tuya Smart Radiator No Gateway Required

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Smart heater thermostat: new TRV603 radiator thermostat. You can easily control the room temperature of your living room, kitchen, bathroom via 2.4 GHz WiFi, with the Salcar heating thermostat can be integrated into your smart home without an additional gateway.
Save energy: heating thermostat ensures room-accurate and individually adjustable feel-good temperature. to save energy 30% while enjoying a pleasant room temperature. Control your heating anytime and anywhere via the Tuya Smart Life app. The SALCAR temperature control valve can be installed with three 1.5V alkaline AA batteries, reducing the frequency of battery replacement (battery not included).
Remote control and voice control: After linking your app account to your Amazon or Google account, you can use Amazon Alexa or Google Assistant for smart home integration and voice control. With the SALCAR Smart Radiator Thermostat, you can easily control your heating from anywhere via Smart Life app, Alexa or Google Assistant.
Package contents: 1 x thermostat M30 x 1.5 mm, 6 x adapters (RA, RAV, RAVL, Canleffi, Giacomini & M28), 1 x adapter screw, 1 x instructions (English language not guaranteed).
Multifunctional: the intelligent radiator thermostat valve has a variety of practical functions, including frost protection function, anti-limescale function, child lock function, window detection function, sleep function, low battery reminder function, etc.

45,99 €