
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. Danfoss Ally
The radiator thermostat Ally is a connected radiator thermostat designed for use in living spaces. The Danfoss Ally radiator thermostat is battery-operated, compact, and easy to use with a handwheel and just a single button. The Danfoss Ally radiator thermostat is a Zigbee 3.0 certified product that is compatible with the Danfoss Ally Gateway and third-party certified systems using Zigbee technology.

2. Shelly BLU TRV x3 + BLU Gateway Gen3

3. Danfoss Ally Starter Pack
The Danfoss Ally System is a programmable wireless control system that connects all Danfoss Ally components to the internet via the Ally Gateway. The free Danfoss Ally app allows for intelligent and flexible control of room temperature. A power supply and LAN cable for internet connection are included in the package.
With the Danfoss Ally app, you can access room temperature control from anywhere at any time. The user interface is designed to be simple and clear, ensuring that even after a long period of not using the app, it is easy to re-engage with all the settings.
Danfoss Ally can easily be connected to smart voice assistants, allowing for convenient control from home via voice command without the need to use the app. The Danfoss Ally Gateway and the Danfoss Ally wireless radiator thermostat are certified with the new Zigbee 3.0 communication protocol for wireless home automation networks.
Furthermore, Danfoss offers a system with an open application interface, giving customers more flexibility in choosing other smart home devices. This means that in the future, regardless of the selected or already operated smart home system, heating can be controlled with products from the experienced heating specialist Danfoss.

4. Aqara E1 SRTS-A01
The Aqara Smart Radiator Thermostat E1 is compatible with a variety of ecosystems and voice assistants, including HomeKit, Alexa, Google, and IFTTT. It will also support the upcoming Matter standard.
External Temperature Measurements: The Aqara Smart Radiator Thermostat E1 can receive temperature readings directly from the connected Aqara Temperature and Humidity Sensor located in another part of the room, even within HomeKit. This ensures more accurate temperature control for the entire room, allowing the thermostat to adjust the radiator based on the actual room temperature.
Energy Savings: When the Aqara Smart Radiator Thermostat E1 is connected to the Aqara Door and Window Sensor or the Aqara Motion Sensor, it will turn off the heating when it detects that a door or window is open or if no motion has been detected for a certain period. Additionally, schedules can be set for desired time periods such as day or night. It can automatically open or close the radiator valve, helping to reduce your energy consumption.
Geofencing and Multi-Apartment Support: No more entering a cold apartment. When you set up geofencing, the radiator thermostat E1 will start heating the apartment before you arrive. If you own more than one apartment, you can set up automations for each of them independently.
Support for Grouping of Various Devices: If there are multiple radiators in a room, they will all be synchronized in the most efficient way based on the actual room temperature.

5. Netatmo Smart Radiator Valves Thermostat
Heat your home perfectly according to your needs - and only when it's truly necessary. Based on five questions about your daily habits, Netatmo's smart radiator thermostats create a heating schedule for each room. Do you leave for work at 9 AM and return at 6 PM? The heating in your bathroom will turn on before you wake up, reduce the warmth in your bedroom while you're away, and heat up in time for your return.
Highlights
• As a true accessory to the smart thermostat and the starter pack for collective heating, there are additional smart radiator thermostats that allow you to control the temperature in your home even more precisely. Set the temperature in each room yourself.
• Save even more energy with the open-window detection, which automatically turns off the radiators in a room.
• Something unexpected happens? Reprogram your heating directly from your smartphone, tablet, or computer. And thanks to compatibility with Apple HomeKit, Alexa, and Google Assistant, your smart radiator thermostats have voice control.
• According to the majority of our users, up to CHF 250 in costs can be saved per year.
• Netatmo has been serving your energy savings for 10 years.
Technical Specifications
• Wireless connection between thermostat and connection module: 100 m radio range
• Encrypted communication protocol
• E-paper display: constant temperature display
• Accelerometer: thermostat can be placed either vertically or horizontally.
• 2 temperature sensors: no additional sensor needed in the room
• PID algorithm: compensates for temperature fluctuations
• 2 years battery life
Package Contents
• 1 x smart radiator thermostat
• 1 x 6 adapters for radiators (Danfoss, Heimeier, Honeywell, and others)
• 1 x 4 color stickers
• 1 x 2 AA batteries
• 1 x installation manual
• 1 x adapter selection guide.

6. Shelly BLU TRV x1 + BLU Gateway Gen3
The Shelly BLU TRV radiator thermostat is an innovative solution for intelligent heating control that offers both comfort and energy efficiency. With the ability to control the heating via the Shelly app, this thermostat allows for precise adjustment of room temperature. The integrated Bluetooth technology ensures easy connection and control, while the open window detection feature optimizes energy consumption. The compact and modern design of the thermostat blends harmoniously into any living environment and is compatible with most common radiator valves. Installation is straightforward, allowing users to quickly benefit from the advantages of a smart heating solution. Additionally, the device enables the creation of individual schedules to consistently achieve the desired temperature, thus enhancing living comfort.
- Energy-efficient temperature control with automated schedules
- Bluetooth control via the Shelly app for maximum comfort
- Open window detection to reduce energy consumption
- Compatible with most common radiator valves without additional adapters
- Compact and modern design that fits into any room decor.

7. Danfoss 015G4560 Aero RA/V
The Danfoss 015G4560 Aero RA/V is a mechanical radiator thermostat specifically designed for use with older Danfoss RAV valves. With a connection size of 34 mm, this thermostat head provides precise temperature control in the range of 7 to 28 °C. The manual control allows for easy adjustment of heating output, while the integrated frost protection feature ensures that radiators operate efficiently even at low temperatures. The thermostat head is gas-filled and features a robust construction that guarantees reliable performance. Installation is straightforward with screws, making it easy to set up. The Danfoss 015G4560 Aero RA/V is an ideal solution for optimizing heating control in older heating systems.
- Mechanical temperature control from 7 to 28 °C
- Frost protection feature for added cold weather protection
- Gas-filled thermostat element for precise temperature control
- Compatible with older Danfoss RAV valves
- Easy installation with screws.

8. Danfoss ICON2
Danfoss Icon2™ RT is a series of wireless thermostats that offers the freedom to place your thermostat without the constraints of wires in the wall. The fade away feature, together with the minimalistic design, only 16 mm deep, gives it elegance and makes it blend in with the surroundings. The Icon2™ RT is Zigbee 3.0 certified and can be integrated with compatible smart home solutions.

9. tado° Smart Radiator Thermostat X - Single Pack
- Intelligent : Simply economise on energy and money on a daily basis with the help of the small functions that improve the efficiency of your chauffage by relying on clean technology
- Individual : Check the temperature of each item, from anywhere, with the application developed by the intelligent chauffage experts
- Easy : Install tado° yourself, even without an internet connection. Now works with a rechargeable battery.
- Éprouvé : Installé, testé et adopté par des millions d'utilisateurs de tado° qui réalisent de grosses économies d'énergie.
Incompatible avec les appareils tado° V3+/ V2.

10. Ecoheat DST Socket thermostat
With this socket thermostat you can regulate heating and cooling appliances precisely. E.g. an infrared heater or fan heater without integrated control can be controlled without complex cabling. The thermostat measures the current room temperature and switches the connected device according to the selected desired temperature.
