
Best selling Thermostats
Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
1. FRITZ! Fritz!Dect 301
The intelligent radiator controller for the home network enables automatic and precise control of room temperature. The FRITZ!DECT 301 regulates the room temperature at home and helps save energy. The radiator controller connects wirelessly via DECT ULE to any FRITZ!Box with a DECT base and can be conveniently controlled via PC, smartphone, tablet, or a FRITZ!Fon. The FRITZ!DECT 301 is compatible with all common radiator valves and is very easy to install and set up. The sharp E-Paper display and numerous comfort features such as window-open detection, key lock, limescale protection, push service, and continuous updates make the FRITZ!DECT 301 the perfect addition to a modern home network.
Custom heating profile: The FRITZ!DECT 301 connects wirelessly to the FRITZ!Box at the push of a button and is set up via the FRITZ!Box user interface. The desired comfort and savings temperatures are defined and assigned to weekdays and specific times using the time switch matrix. For special periods, such as vacations, custom temperatures can be configured. Multiple FRITZ!DECT 301 units can be grouped together to synchronize the temperature in a room with multiple radiators, making it easy to establish a personalized heating rhythm.

2. Shelly Wall Display White + BLU H&T Ivory
The Shelly Wall Display is a modern 4-inch touchscreen control device based on Android, providing user-friendly management for your home or office. With its minimalist design and customizable user interface, the display seamlessly integrates into various interiors and can be tailored to the specific needs of the space. Included is a Shelly BLU H&T temperature and humidity sensor that delivers precise room data. On the device's home screen, you have quick access to your favorite devices and scenes. The Shelly Wall Display allows control of Bluetooth and Sonos speakers and features a thermostat function for regulating room temperature. It also displays current information on power consumption, room temperature, and humidity. Integration with over 200 partner systems such as Google, Alexa, and SmartThings enables comprehensive smart home control.
- Android-based touchscreen control device with a 4-inch screen size
- Includes Shelly BLU H&T sensor for precise temperature and humidity measurement
- Control of Bluetooth and Sonos speakers is possible
- Integration with over 200 smart home systems
- Built-in 5A relay for controlling lighting and underfloor heating.

3. Emos P5630S
The GoSmart Digital Radiator Thermostat P5630S from Emos is an innovative solution for intelligently controlling the radiator temperature in your home. With the ability to set up to six temperature changes per day, this thermostat allows for personalized adjustments to meet your needs. The temperature can be precisely regulated within a range of 1 °C to 70 °C, with an accuracy of 0.5 °C. The thermostat also offers features such as frost protection, a vacation mode, and a child lock, providing additional safety and comfort. Control is conveniently done through an app that is compatible with various smart home systems, including Amazon Alexa and Google Assistant. The P5630S is easy to install and comes with the necessary adapters to ensure broad compatibility with different radiators. With its modern technology and user-friendly features, this radiator thermostat is an excellent choice for anyone seeking efficient and flexible heating control.
- Programmable with up to 6 temperature changes per day
- Frost protection and vacation mode for enhanced convenience
- Compatible with multiple smart home systems including Amazon Alexa and Google Assistant
- User-friendly app notifications and multilingual support
- Easy installation with included adapters for various radiator types.

4. TP-Link KE100 - Kasa
Take control of your home to the next level with Tapo smart elements. The intelligent thermostat head with direct temperature display from the Tapo family can regulate the temperature in your radiators according to your schedule and instructions from anywhere, thanks to communication with the central unit, which is necessary for proper functionality and can operate up to 32 thermostat heads simultaneously. The head is powered by 2 long-lasting AA batteries, allowing you to enjoy smart living without the need to install new cables or change power outlets in your home.
Key Features
- Remote Control: Manage all the radiators in your house from your phone. No more guessing whether you left the heating on in an empty room.
- Voice Control: Ask Alexa or Google Assistant to fine-tune the temperature in your home.
- Smart Scheduling: Set heating schedules based on your daily routine to make heating more efficient.
- Frost Protection: Ensure that your pipes do not freeze and keep your home safe.
- Child Lock: Prevent children from accidentally operating your radiator.
- DIY Installation: Simply replace your old radiator valve with Kasa and follow the step-by-step guide in the app for installation.
Package Contents
- Thermostat head with M30×1.5
- (2) AA/LR6 batteries
- RA adapter
- RAV adapter
- RAVL adapter
- Lid opener.

5. Heatit Z-TRM6 Thermostat Z-Wave 800 series (White RAL 9010)
The Heatit Z-TRM6 is an advanced electronic thermostat specifically designed for electric heating systems. It offers user-friendly control via a Z-Wave network or directly through the buttons on the front. With three operating modes – Heating, Cooling, and Eco – the thermostat allows for flexible adjustments to different room temperatures and needs. The Z-TRM6 is designed for use in European standard junction boxes and can be combined with most System 55 frames. A sturdy metal frame ensures secure mounting. The integrated room temperature sensor, along with the option to connect two external temperature sensors, guarantees precise temperature regulation. Additionally, the thermostat features active power measurement, enabling real-time monitoring of energy consumption. The ZeroX technology extends the device's lifespan by switching the relay to 0 V when turning on and off. The Z-TRM6 can be configured as a master thermostat, controlling up to 10 additional thermostats and external relays.
- User-friendly control via Z-Wave network or directly on the device
- Three operating modes: Heating, Cooling, and Eco
- Integrated room temperature sensor with options for external sensors
- Active power measurement for real-time monitoring of energy consumption
- ZeroX technology for extended relay lifespan.

6. Meross Smart thermostat
Thermostat
With the state-of-the-art Meross MTS200BHK Wi-Fi Smart Thermostat, you can conveniently control the water temperature in your home. It is compatible with most common boilers and water heaters, featuring easy operation and exceptional comfort. It works with Apple HomeKit, Amazon Alexa, Google Assistant, and SmartThings. It offers an accuracy of 0.5 °C and helps reduce heating costs with its scheduling function.
The Meross MTS200BHK Wi-Fi Smart Thermostat is the perfect solution for managing the water temperature in your home. The device is highly precise and allows you to set the temperature from 5 to 35 °C. Importantly, the thermostat has a feature that detects an open window—when this happens, the heating is automatically stopped, helping to lower your bills.
The thermostat is compatible with Apple HomeKit, Amazon Alexa, Hey Google, and SmartThings, so you can conveniently control it via your smartphone or voice command. All you need is a device with iOS 13.0 or higher or Android 6.0 or higher. You don't even have to get off the couch to change the selected temperature, and you can create schedules to optimize operation according to your family's lifestyle.
Note: The thermostat works with common boilers and water heaters and is not compatible with electric underfloor heating.

7. Shelly BLU TRV x3 + BLU Gateway Gen3

8. Emos Contact thermostat with remote sensor P5682, manual
The Emos P5682 remote sensor thermostat is a reliable device for temperature control in heating and cooling systems. This manual thermostat allows for precise temperature settings ranging from 0 °C to 90 °C, making it ideal for use in spaces where a constant temperature is required. The thermostat is powered by an AC power source and is designed for a maximum switched load of 16 A capacitive and 4 A inductive. With a compact design and a height of 105 mm, the thermostat can be easily integrated into various environments. The remote sensor, which is 1 m long, allows for flexible placement and accurate temperature measurement, while the simple manual control ensures user-friendly handling.
- Manual thermostat for heating and cooling systems
- Temperature control from 0 °C to 90 °C
- Remote sensor with a length of 1 m for flexible placement
- Maximum switched load of 16 A capacitive
- Power supply via 230 V AC.

9. Busch-Jaeger Room thermostat 1098 U
Busch-Jaeger room temperature controller insert 1098 U-102
Manufacturer: Busch-Jaeger
Designation: Room temperature controller insert without remote sensor
Type: 1098 U-102
With receiver: no
External sensor: no
Control characteristic: P
Suitable for heating: yes
Suitable for cooling: no
Temperature readable: yes
Mounting type: Flush-mounted
With display: yes
With drinking water circuit: no
Protection class (IP): IP20
Explosion-proof: no
Colour: black
Height: 71 mm
Width: 71 mm
Depth: 42 mm
Compatible with Apple HomeKit: no
Compatible with Google Assistant: no
Compatible with Amazon Alexa: no
IFTTT support available: no
Further details:
Electronic room thermostat with setpoint display and timer. Switching contact, potential-bound - opens when the set temperature is reached. Simple setting via illuminated, menu- and text-guided display. Up to 4 switching times per day can be freely set for each day of the week. Set/actual temperature display changeover possible. With screw fixing. Automatic summer/winter time changeover can be set. Power reserve > 10 years. Suitable for central disc 6435-xxx. Temperature controller class: IV. Article for space heating energy efficiency: 2.0%. Only to be installed in conjunction with standard flush-mounted device boxes in accordance with DIN 49073. Control valves in the "de-energised closed" version are required for the controller. Sensor length: 4 m. Sensor: NTC, 10 kiloohms at 25 degrees C. EAN: 4011395310960.

10. Magni TA Heimeier 9710-24.500 Thermostatic head VK Liquid-filled and 2 economy clips, graduated cap white
With built-in sensor, liquid-filled thermostat, stable control behavior even with small design control differences (<1 K), compliant with EnEV and DIN V 4701-10. Upper and lower limits or marking of the temperature range, or blocking of a setting via two saving clips. Concealed upper and lower limits of the temperature range or blocking of a setting through stop clips. End-side adjustment aid and tactile markings for the visually impaired. Direction of rotation indicator and symbols for basic setting and night reduction. Setpoint range 6 - 28 °C, reference number 1 - 5, frost protection, maximum sensor temperature 50 °C. Designed for mounting on valve radiators. The clamping connection with knurled nut allows for direct connection to thermostat heads that do not have the connection thread M 30 x 1.5 and to Danfoss RA valves. The thermostat head VK can be set in several positions, each offset by 90°.
Installation note according to § 13 NAV
Please note that devices with a connection value of 230V will be delivered with either a protective contact plug or a fixed connection (without plug) depending on the power rating. If the device has a fixed connection, a qualified technician should be commissioned for the installation. All devices with a connection value of 400V and above must be operated via a suitable high-voltage connection and may only be connected by a qualified electrician. For devices with a rated power of more than 12KW, approval from your network operator is required. Please contact the network operator or an installation company registered in the network operator's installer directory before installation. Such an installation company will assist you in obtaining the necessary approval from the respective network operator.

Magni TA Heimeier 9710-24.500 Thermostatic head VK Liquid-filled and 2 economy clips, graduated cap white