Best Dect Comet 2026

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Last Updated - 03.02.2026

Best Choice

01

ET - EUROTRONIC Technology GmbH

Eurotronic Comet ZZ eco: 4x Smart ZigBee Radiator Thermostat ZigBee Wireless Heating Control Set Including Free App and Gateway

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33% Off
9.7

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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Main highlights

With practical comfort functions: the radiator controller impresses with a variety of smart functions: app control, ventilation detection, child lock and holiday function. Thanks to automatic summer/winter time adjustment, frost protection and valve protection, the thermostat is always ready to use.
Reliable and energy efficient: the Comet Zigbee thermostat helps you save up to 30% on heating costs. The highly stable and energy-efficient Zigbee wireless technology ensures high reliability and long battery life.
Quick and easy to install: the thermostat can be quickly and easily attached to your radiator valve thanks to the easy installation and the included adapter (compatible with Danfoss). So you can immediately benefit from the advantages of intelligent heating control.
Quality made in Germany - The Eurotronic radiator thermostats are produced in Germany and offer high quality at the best price.
If you have any questions or problems with the setup of the thermostats and gateway, please contact contronics customer service.
Heating very easy: With the intuitive app, you can control your heating like a professional. Create individual schedules and adjust the temperature according to your wishes.
Flexible gateway: The ZigBee Gateway connects easily to your router via Wi-Fi and can be placed anywhere. Thanks to NFC or WiFi, you can quickly and easily pair your smartphone with the gateway when setting up the system.

96,00 € 143,95 €(33% Off off)
02

Eurotronic

Eurotronic Comet Plus Radiator Thermostat Set - Intelligent Heating Control for 4 Radiators Including PROGmatic Stick for Programming on PC

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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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Main highlights

Take advantage of the intelligent functions of the electronic radiator controller: automatic window open detection, holiday mode, frost and limescale protection function as well as automatic summer/winter time changeover.
Save up to 30% on heating costs this winter with the quiet Comet Plus heating thermostat and experience comfortable heating control without apps, clouds or Internet dependence.
Quality made in Germany - The Eurotronic Comet Plus radiator thermostats are produced in Germany and offer high quality at the best price.
Mount the digital thermostat to your radiator valve in no time at all. The high-quality metal nut of the thermostat head fits all standard valves with the thread dimension M30 x 1.5 mm. Special adapters compatible with Danfoss RA, RAV and RAVL valves are included.
Create individual time profiles directly on the programmable heating thermostat in just a few steps or using the included PROGmatic stick via your Windows PC or laptop. Instructions specially made for this solution are included with the package and help you set up.

81,99 €
03

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Plus Radiator Thermostat

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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

Optimal adaptation to weather conditions: The Comet Plus has a holiday function, frost and limescale protection function and an automatic summer and winter time adjustment, which can save you on heating costs.
Individually programmable: The settings can be made directly on the Comet Plus or even more comfortably using the PROGmatic programming stick (not included) on the PC.
Easy to use: The Comet Plus energy saving controller is easy to install and operate. It is valve-friendly thanks to the Eurotronic valve protection and also fits many other well-known radiator valves.
Box contents: Comet Plus energy-saving controller, instruction manual DE (other languages on request), 3 adapters (Danfoss RA, RAV, RAVL), 2 x AA Mignon batteries, dimensions: 65 x 54 x 85 mm, colour: white
AUTOMATIC ROOM VENTILATION Thanks to the window open detection, the radiator thermostat detects directly when a room is being ventilated and closes the valve immediately to save energy.

16,95 €
Value for Money

04

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
9.1

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

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)
05

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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8.9

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

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.

25,50 €
06

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Zero Matter Energy Saving Controller with Wireless Standard Matte Over Thread (Individually Programmable, Alexa, Google, Apple & SmartThings Compatible)

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15% Off
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

Smart down to the last detail: heating and saving times can be individually adjusted weekly and day-way. The radiator thermostat helps to save up to 30% on heating costs and even detects when a window is open.
Safety in your home: The safety aspect of our smart home accessories is particularly important to us, which is why the energy-saving controller has been communicated locally and certified for optimal safety.
Matter wireless standard compatible energy saving controller: The Comet Zero Matter can be connected to a wide range of smart home systems such as Alexa, Google, Apple or SmartThings.
Especially fast and comfortable operability: a uniform communication standard and the cross-system use make the networking of the radiator thermostat made in Germany particularly easy.
Box contents: Eurotronic Comet Zero Matter, energy-saving controller with wireless standard Matter (energy saving controller, dimensions (W x H x D): 62 x 68 x 82 mm, quick start guide (DE/EN), 3 x adapters (Danfoss RA, RAV, RAVL), 2 x AA Mignon (included)

25,44 € 29,99 €(15% Off off)
07

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Plus Radiator Thermostat

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40% 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

Optimal adaptation to weather conditions: The Comet Plus has a holiday function, frost and limescale protection function and an automatic summer and winter time adjustment, which can save you on heating costs.
Note: heating valves with which the regulators are compatible without adapters, and that the included black plastic adapters are only suitable for Danfoss valves
Individually programmable: The settings can be made directly on the Comet Plus or even more comfortably using the PROGmatic programming stick (not included) on the PC.
Easy to use: The Comet Plus energy saving controller is easy to install and operate. It is valve-friendly thanks to the Eurotronic valve protection and also fits many other well-known radiator valves.
Box contents: Comet Plus energy-saving controller, instruction manual DE (other languages on request), 3 adapters (Danfoss RA, RAV, RAVL), 2 x AA Mignon batteries, dimensions: 65 x 54 x 85 mm, set of 4, colour: white
AUTOMATIC ROOM VENTILATION Thanks to the window open detection, the radiator thermostat detects directly when a room is being ventilated and closes the valve immediately to save energy.

72,27 € 119,95 €(40% Off off)
08

FRITZ!

AVM FRITZ! DECT 200 - Intelligent socket for the home network, German-language version

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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

Switch individually: once, daily, weekly, rhythmically, randomly, depending on the time of sunrise and sunset or via Google Calendar
Measures energy consumption and shows details on performance, consumption, electricity costs and the carbon footprint and sends them on request by Push-Mail, scope of delivery: FRITZ! DECT 200, German installation instructions
Intelligent socket for Smart Home, switches the power supply of connected devices automatically or manually (up to 2,300 watts)
Controllable via FRITZ! Fon via DECT, via PC, smartphone or tablet via the user interface of the FRITZ! Box or MyFRITZ! App
Compatible with the following FRITZ! Boxes: FRITZ! Box 7490, FRITZ! Box 7390, FRITZ! Box 7360, FRITZ! Box 7320 (1 & 1), FRITZ! Box 7270 ( From version v2), FRITZ! Box 7272, FRITZ! Box 7240 (1 & 1), FRITZ! Box 6842 LTE, FRITZ! Box 6840 LTE, FRITZ! Box 6810 LTE, FRITZ! Box 6360 Cable, FRITZ! Box 6490 Cable

42,90 €
09

Eurotronic

Eurotronic 700083 Comet Plus Radiator Thermostat Electronic 8 to 28 °C

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30% Off
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

Valve-friendly thanks to Eurotronic valve protection
Save up to 30% on heating costs
Heating and saving times individually adjustable
Four heating times and four saving times are adjustable per day
8 heating periods programmable

44,99 € 64,42 €(30% Off off)
10

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Plus Radiator Thermostat

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7.9

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

USB stick - for USB 2.0 connection to PC and laptop.
Programming stick - can store up to ten room profiles. Can be used to individually set different energy-saving controllers.
Heating/electronic heating controller - can be programmed via PC. The heating times can be saved and individually set via the USB stick.
Easily program radiator thermostats with the programming port. Compatible with the Comet energy-saving controller.
Box contents: Progmatic USB stick. For programming digital heating thermostats. User manual (English language not guaranteed). White.

22,95 €