Best Thermostats 2026

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Last Updated - 22.07.2026

Best Choice

01

tado

tado ° Smart Radiator Thermostat X - Trio Pack, Heating Control via App and Smart Speaker (Alexa, Siri, Google Assistant), Energy Saving, DIY Installation, Not Compatible with tado° V3+

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9.6

Exceptional

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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Temperature control type: Heating.
Specific uses for product: Heater.
Special feature: Programmable, rechargeable batteries.
Included components: 3 x intelligent heater thermostat X, 3 x adapter set, 3 x control sheets, 3 x manual (English language not guaranteed), measuring template.
Controller type: Alexa, Siri, Google Assistant.
Connectivity technology: Thread, Matter.

179,99 €
02

Bosch

Bosch Smart Home Radiator Thermostat II [+M], Smart Radiator Thermostat for Intelligent Heating & Energy Saving, with Matter, App Control, Compatible with Apple Home, Google Home & Alexa

34% Off

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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

Provides maximum flexibility for your smart home: can be used with Controller II in the Bosch Smart Home System as well as in Apple Home, Amazon Alexa and Google Home or can be integrated directly into Matter systems.
Impressive installation and proven Bosch quality: assembly without installer in just a few minutes, reliable operation thanks to regular updates as well as frost and limescale protection.
Helps save energy and heating costs: Individual schedules and intelligent automations ensure that heating is only when it is really necessary.
Ensures the perfect feel-good temperature at any time: the heating thermostat controls the room temperature individually via app, voice or directly on the device - at home and on the go.
Automatically reacts to open windows: temperature drops are detected thanks to the smart thermostat and the heater pauses independently so that no energy is lost due to unnecessary heating.

55,95 € 84,95 €(34% Off off)
03

TempPro

ThermoPro TP49 Digital Mini Thermo-Hygrometer Indoor Thermometer Hygrometer Temperature and Humidity Meter with Room Climate Indicator for Room Climate Control, White

17% Off

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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

Smiley as a comfort indicator: the humidity meter shows the state of the room climate in three symbols with neutral, laughing and sad face, whether the values are moving within the recommended range or action is required
For a healthy indoor climate: with the practical room thermometer, you can keep an eye on the temperature and humidity through the clear display and now you have control over the room climate in the rooms where you spend most of the time, e.g. living room, bedroom, children's room, office and storage room
Flexible installation: you can either place this room thermometer through the fold-out stand or mount it on the wall through the hanging hole on the back; thanks to the integrated magnet, the inner hygrometer can also be attached to metal surface
Energy-saving battery: 1 x 1.5 V AAA battery is included, so you can use the thermometer inside immediately after unpacking; the battery lasts 18 to 24 months under normal use
Advanced high-precision sensor: built-in with accurate and sensitive sensor, the thermo-hygrometer updates the temperature and humidity every 10 seconds; measuring range of temperature: -50 ~ 70 Celsius, optionally in Celsius and Fahrenheit; Humidity: 10% ~ 99%

9,99 € 11,99 €(17% Off off)
Value for Money

04

Eve

Eve Thermo – smart radiator thermostat, made in Germany, saves heating costs, heating control (app/schedules/attendance), easy to install, Stiftung Warentest tested, thread, Apple HomeKit.

51% Off

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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

With schedules, heat individual rooms or the whole house automatically and according to the daily routine – regardless of iPhone and Internet. Remote access and presence based heating control via the control centre (HomePod mini / HomePod / Apple TV).
Strict data protection: no eve-cloud, no registration and no tracking. Local processes and communications without bridge or cloud dependency.
Set the perfect temperature for any room for healthy sleep and well-being. 17 degrees in the bedroom, 21 degrees in the living room and in the bathroom early in the morning 22 degrees.
Save on heating costs: Automatically pauses heating when the window is open; includes holiday mode, frost and valve protection and much more.
Made in Germany.
HomeKit-technology: Unimagined ease of use and high-security; easy to install and setup, without bridge or gateway; automatically integrates into a thread network (supports Bluetooth and thread).
Eve Thermo requires an iPhone or iPad with the latest version of iOS / iPadOS
Comfortable temperature effortlessly set via app (iPhone, iPad, Mac), Siri or directly on the heater. Compatible with iPhone or iPad with the latest version of iOS/iPadOS 14. The automation and remote control of this HomeKit-enabled device requires a HomePod or Apple TV (4th generation or newer) as control centre.

39,00 € 79,95 €(51% Off off)
05

SwitchBot

SwitchBot Smart Radiator Thermostat, Bluetooth Thermostat with App Scattering & Scheduling, Energy Saving, Easy Installation, Compatible with Alexa, Apple Home & Home Assistant (Hub Required)

41% Off

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9.0

Excellent

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Main highlights

Up to 10 months battery life: A single set of batteries lasts for a whole heating season, and with low battery alerts, you are always prepared. Equipped with a clear digital display, so that temperature, power level and operating status are always easy to check at a glance.
QUICK & EASY INSTALLATION No professional tools or modifications are required. Simply attach the thermostat to your radiator with the metal nut and follow the step-by-step instructions in the app to pair it. The package includes 6 adapters (RA, RAV, RAVL, M28x1.5, Giacomini and Caleffi) as standard, which are suitable for most radiators on the market without the need for separate purchases.
Multi-room smart linking: supports independent control of multiple thermostatic valves. Heat up the nursery before the children come home, delay cooling for adults who stay up for a long time, or keep storage rooms at low temperatures to avoid energy waste. Each family member gets their own comfortable temperature.
ENERGY AND COST SAVINGS Adjust heating schedules to suit your daily routine. The system automatically turns off when you go to work, preheats your home before you return and set a comfortable temperature before going to bed. Heat only the rooms you need and achieve the perfect balance between comfort and efficiency. Save up to over 30% of your heating costs annually.
APP CONTROL: Control directly via Bluetooth and take advantage of a variety of free features, including intelligent scheduling, temperature monitoring and window status detection, which can save energy and costs. In addition, automatic descaling and frost protection are included to ensure the comprehensive safety of your heating system.

23,77 € 39,99 €(41% Off off)
06

SM-PC

SM-PC® digital room thermostat floor heating panel wall heater LED white #a31

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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

various set-up functions: e.g. calibration of the displayed temperature, operation via keys, connection of several actuators (parallel operation) possible.
Underfloor heating (water operated) via regulation of an actuator (230 V, NC), electric underfloor heating 230 V, max. 3600 watts (external sensor is required), electric wall or ceiling heating (also infrared), max. 3600 watts.
LCD back-lit display (only switches on when operated and switches off after approximately 10 seconds).
Customised weekly programme (5 + 2, 6 + 1, 7 + 0), temperature sensor: integrated NTC sensor for air temperature measurement, colour: white
Assembly: flush-mounted box, diameter: min. 58 mm installation opening, voltage: AC 230 V, 50 Hz, max. Switching capacity: 16 A (= 3,600 watt).

21,79 €
07

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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8.7

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

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.

31,99 €
08

DOQAUS

DOQAUS Hygrometer Thermometer Indoor Mini Thermo-Hygrometer Indoor Moisture Room Thermometer Humidity Meter with High Accuracy for Indoor, Baby Room, Living Room, Office

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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

Super portable and 3 mounting methods: Doqaus hygrometer available inside for table, wall and magnet mounting. Small and light enough to save space. The fashionable design also makes it a beautiful decoration in any room. Suitable for bedrooms, bathrooms, children's rooms, baby rooms, warehouses, basements, greenhouses etc. (Weight: 40 g).
High accuracy faster refresh: Hygrometer thermometer inside. Built-in intelligent temperature humidity sensor, the temperature is accurate to ± 0.5 °C, while the humidity is ± 3% RH. Enjoy precise data from the indoor room thermometer every 5 seconds.
Face symbol comfort indicator: Hygrometer inside has face symbols to quickly notify DRY/COMFORT/WET air condition to adjust your humidifier or dehumidifier accordingly, ensuring you will always live in the most comfortable environment
Easy to use: One button to select the digital hygrometer unit in Celsius or Fahrenheit, one button °C/°F selector operation designed for your convenience. Powered by 1 battery (included).
Clear LCD display: DOAUS room thermometer provides a real-time temperature/humidity display with large numbers on a 2.3 inch LCD screen, so you can read the thermometer from any angle and any distance

7,99 €
09

Homematic IP

Homematic IP Smart Home Radiator Thermostat – Basic, Digital, for Heater, Control via App, Alexa, Google Assistant, Easy Installation, Energy Savings, 153412A3

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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

With the basic radiator thermostat, you can save up to 33% on heating costs– thanks to individual temperature schedules with up to 13 changes per day across three adjustable heating profiles and in combination with open-window detection using a window and door contact.
The setup and control of the thermostat via the free smartphone app and the free cloud service requires connection to the Homematic IP Access Point. This product is no longer compatible with the CCU2 central unit.
Stand-alone operation (push-to-pair) allows direct pairing of up to eight Homematic IP window and door contacts (HmIP-SWDM) and direct control on the device.
Replaces conventional radiator thermostats in just a few simple steps– no intervention in the heating system or draining of water is required.
Ready for immediate use thanks to preset heating profile, which can be manually adjusted if required (individual temperature gradients with up to 13 changes per day).

29,50 €
10

BEOK CONTROLS

Beok Thermostat Underfloor Heating Water Thermostats Heating Digital Room Thermostat Underfloor Heating 230 V Wall Thermostat Heating Thermostat Temperature Controller TDS72-WP White Non-WiFi

15% Off Limited Time Deal

15% Off

Limited Time Deal

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8.2

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

[Water underfloor heating thermostat] Room thermostat is applicable for controlling water underfloor heating system such as thermoelectric head and electric valve etc. Voltage: AC 200-240V 50/60Hz; Temperature range: 5-60℃; Temperature accuracy: 0.5℃; Contact capacity: 3A;
[Programmable] With 5 + 2/6 + 1/7 weekly planning modes, you can set different temperatures with up to 6 periods per day to make your life comfortable and energy-saving.
[Packing List] 1 x water heater thermostat (flush-mounted), 2 x screws, 1 x user manual (English language not guaranteed). Dimensions: 8.6 x 8.6 x 3.9 cm.
Other functions: energy cost saving by exposing the heater in case of sudden temperature drop (e.g. through an open window); temperature correction, frost protection function, power-off memory function, child lock, factory settings etc.
Easy installation and use: flush mounted on the wall, connect the power box according to the wiring diagram. 2 operating modes: automatic/programmable mode and manual mode, you can easily adjust the parameters.

28,89 € 33,99 €(15% Off off)