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Best Comet Dect - Holiday Sale

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Last Updated - 18.12.2025

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01

ET - EUROTRONIC Technology GmbH

Eurotronic Comet ZW eco: 7 times smart WiFi thermostat for radiators. WLAN heating control set including free app. No base station required.

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9.8

Exceptional

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The intuitive Smart Living app makes heating control a breeze. Create custom time profiles, adjust the temperature and save energy – all from your mobile app. A simple step-by-step guide is included.
Smart warmth for your home. The radiator controller impresses with a variety of smart functions: app control, window open detection, child lock and much more. Thanks to automatic summer/winter time adjustment and frost protection, it is always ready to use.
Save up to 30% on heating costs and enjoy cosy warmth at the touch of a button. With the intelligent Comet WiFi thermostat, you can easily control your heating via app or voice with Alexa - without additional hardware.
Quality made in Germany - The Eurotronic radiator thermostats are produced in Germany and offer high quality at the best price.
Installs in minutes: The thermostat can be quickly and easily attached to your radiator valve thanks to the easy installation and the included adapter. So you can immediately benefit from the advantages of intelligent heating control.

224,62 €
Value for Money

02

HOMEPILOT

HOMEPILOT Gurtwickler RolloTron pure DECT - Elektrischer Funk-Gurtwickler für AVM FRITZ!Box mit DECT-Basis verwendbar

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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

Rollotron Pure Dect – This electric belt winder is equipped with DECT radio. Suitable for roller shutters (up to 6 m²) and can be controlled by button on the device or via app.
For the AVM Smart Home – The belt winder can be easily integrated into the AVM Smart Home (FRITZ!Box from software version FRITZ!OS 7.20). So it can be easily controlled via the FRITZ! app.
Easy to install: the RolloTron replaces your manual belt winder (23 mm belt width) and is inserted into the existing belt box. Perfect for retrofitting, even for renters. Quick assembly.
Discover HOMEPILOT - the brand from Rademacher made in Germany. Whether roller shutters, heating, lighting, garage door or smart home central - we make your home smart.
Control via app – the FRITZ! app makes it easier to automate your roller shutter. Create individual schedules, control the smart belt winder on the go or connect the app to your Google calendar - this is how roller shutter control works.

143,88 €
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.

15,99 €
04

Eurotronic

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

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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

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

64,44 €
05

Eurotronic

Eurotronic Comet WiFi Radiator Thermostat Set - Smart Home Heating Control for 3 Radiators Includes Free App and Valve Adapter Voucher Compatible with Any WLAN Router (2.4 GHz)

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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

Tips for setup: the thermostat reset button is located in the battery compartment to the right of the lettering Reset. The button can be easily pressed with a ballpoint pen.
Tips for setup: When setting up app, disable mobile data on your smartphone and enable access to location (GPS).
Tips for setup: If you have increased the font size of your smartphone, please set the font back to the default value so that all controls of the app are displayed correctly.
The electronic radiator controller with illuminated LED display and touch operation offers you many intelligent functions for smooth use: app control, automatic window open detection, child lock, holiday mode, frost and limescale protection function as well as an automatic summer/winter time change.
Save up to 30% on heating costs this winter with the modern WLAN radiator thermostat Comet WiFi and experience comfortable heating control via app. You do not need additional centres or gateways.
Quality made in Germany - The Eurotronic Comet WiFi 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. If the thermostat still does not fit, please request free adapters for your valve manufacturer from contronics.
If you have any questions or problems when setting up the thermostats, please contact contronics customer service.
Easily create individual time profiles conveniently via your smartphone or tablet. The Eurotronic Smart Living app is available for free in the Apple App Store or Google Play. Instructions specially made for this solution are included with the package and help you set up.

85,90 €
06

Eurotronic

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

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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

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.

96,00 €
07

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Zigbee Starter Set, Energy Saving Controller and Gateway with Wireless Standard (Programmable Smart Thermostat in Set, Save Heating Costs)

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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

Smart home accessories with different uses: the heating controllers made in Germany can be used as a heating thermostat depending on the mode or act as a pure actuator when the control is deactivated.
Ready for use: two Comet ZigBees come in a set and use the Home Automation Profile 3.0 as a radiator thermostat. The measured temperature and the position of the valve drive are reported back to the included Gateway ET Home Link.
Intelligent and programmable energy saving controllers: the valve-friendly heating controllers can be individually programmed and set daily or weekly times individually, while adjustments are also possible at any time via sensor buttons on the thermostat.
Efficient saving on heating costs: With the quiet smart home accessories, up to 30% of heating costs are saved, as among other things a window open detection, automatic summer/winter time adjustment and holiday function are included.
Box contents: Eurotronic Comet Zigbee starter set, energy saving controller and gateway with wireless standard Zigbee (smart radiator thermostat, 2 x Comet ZigBee energy saving controller/er, 1 x Gateway ET Home Link, quick start guide (in 10 languages), 2 x 3 adapters (Danfoss RA, RAV, RAVL), 2 x 2 LR6/Mignon/AA batteries)

49,99 €
08

Olympia

IOIO HT 2000 Electronic Heating Thermostat | Save Heating Costs up to 30% | Made in Germany | Easy Installation | Radiator Thermostat | Radiator Heating Controller | Heating Thermostat

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8.6

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

Intelligent functions for more comfort: automatic summer and winter time adjustment, frost protection function, holiday function and window open detection make the thermostat an indispensable helper in everyday life.
High-quality workmanship, made in Germany: the sturdy housing material ASA and the extremely quiet operation guarantee durability. With the threaded connection M30 x 1.5, the thermostat fits many valve bases such as Heimeier, Danfoss and Honeywell.
Flexible temperature setting: flexibly adjust the temperatures for each switching cycle. With 4 adjustable heating and saving times as well as individual weekly programs for every day, you can optimise your energy consumption.
Energy-efficient heating cost control: Save up to 30% on heating costs with the IOIO HT 2000 energy-saving controller. The compact design and easy operation via the rotary wheel make it ideal for any home.
Child and valve protection: with the integrated child lock and valve protection, you ensure more safety. The snap-on closure and battery change indicator provide additional ease of use.

49,99 €
09

AVM

FRITZ!Smart Gateway: Easy connection of Zigbee and DECT ULE smart home devices, Matter Bridge function, expansion of the number of devices in the smart home and stable connection via WLAN/LAN

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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

NOTE: An overview of which Zigbee devices from other manufacturers work with the FRITZ!Gateway can be found in our Zigbee compatibility list on our official website
Intuitive setup, built-in charger function via the USB port (500 mA) for optimal use of the slot, regular free updates for new features
Increases the number of usable DECT-ULE devices in the smart home (also from other providers) and thus easy operation and overview of all registered DECT-ULE devices in the FRITZ!Box user interface
Ideal addition to the FRITZ! Smart Home: integration of smart devices with the wireless standards Zigbee and DECT-ULE at the touch of a button
Convenient control via the FRITZ!App Smart Home, the FRITZ!Fon or the FRITZ!DECT 440 for an extended smart home
Connects the FRITZ!Smart Home to Matter networks and in this way, among other things, allows you to control devices via voice command
Box contents: FRITZ!Smart Gateway, earthing contact adapter, quick start guide

72,99 €
10

eqiva

Eqiva Radiator Thermostat Model N, 132231K2

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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

Universally applicable, suitable for the most common valve manufacturers
Timeless, simple housing, compact design and particularly quiet gearbox
The radiator thermostat is easy to install and does not require heating water drain or intervention in the heating system. No special tools are required, nor does the heater need to be switched off. The union nut attached to the radiator thermostat is universal and can be used without accessories for valves of the most common manufacturers with a thread size of M30 x 1.5 mm.
Ready for immediate use thanks to preset programming
Radiator thermostat for timed regulation of room temperature
Easy to use thanks to the slanted arrangement of the control and display elements, even under unfavourable installation conditions
Easy installation without draining water, without intervention in the heating system, no special tools required
Comfortable and precise adjustment of the target temperature (accurate to 0.5 °C), directly and intuitively on the rotary wheel

19,95 €