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Best Dect Thermostat - Holiday Sale

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Last Updated - 18.12.2025

Best Choice

01

AVM

FRITZ! AVM DECT 440 (Portable and Configurable Switch for Managing All FRITZ! Smart Home Devices, Can be Used with FRITZ!Box with DECT Base)

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9.9

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

Stays sharp even during intensive use
Safety features:
Model number: 20003089
Includes additional tools or attachments
Equipped with features to protect the user
Compact storage

89,17 €
02

Homematic IP

Homematic IP Extension Set Heating - Basic, Smart Home, 3 x Digital Thermostat Heating, Control via App, Alexa, Google Assistant, Easy Installation, Energy Saving, 161216A1

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9.8

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

The setup and control of the thermostats via the free smartphone app and the toll free cloud service requires the connection to the Homematic IP access point.
Saves up to 33% energy thanks to automatic temperature reduction during ventilation and demand-based heating.
Replaces conventional thermostats (M30x1.5, Oventrop, Danfoss) and controls the radiator according to individual needs.
Can also be operated directly on the device, for example for temperature changes and quick heating of the radiator via boost function.
Allows individual temperature gradients with up to 13 changes per day in three adjustable heating profiles.

78,79 €
03

AVM

FRITZ!DECT 302 (Intelligent Radiator Controller for the Home Network, for Energy Saving, for All Standard Radiator Valves and FRITZ!Box with DECT Base, FRITZ!OS from Version 6.83)

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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

Smart radiator controller to save energy for the FRITZ!Box home network, automatic and precise control of the room or living temperature, ideal for creating an individual, efficient heating rhythm
Note: FRITZ!DECT 302 becomes FRITZ!Smart Thermo 302: This is only a product rename. Technically the products are identical, only name and packaging design may vary.
Energy-efficient e-paper display and numerous convenience functions, such as frost protection, limescale protection or boost function, window on detection, button lock, push service, group switching and much more.
Easy to install and set up on all standard radiator valves with connection thread, additional adapter available, seamless combination with other FRITZ! radiator controllers. Please note product dimensions and manufacturer's specifications for compatible heating models.
Control via PC, notebook, FRITZ!Fon, smartphone or tablet - even on the go via the Internet and via app, individual heating profiles can be programmed
Connection with FRITZ!Box at the touch of a button and convenient configuration via the FRITZ!Box user interface, for FRITZ!Box with DECT base and FRITZ!OS from version 6.83, new features available via regular, free updates
Box contents: FRITZ!DECT 302, 3 x AA batteries (in device), installation instructions, adapter for Danfoss RA

50,01 €
04

AVM

AVM Fritz DECT 440 (Portable, Customisable Buttons for Operating Smart Home, Control Smart Fritz Devices, Compatible with the Fritz Box with DECT Base Station), White

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9.5

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

Use in conjunction with Fritz! LED bulbs, Fritz! sockets and the Fritz! radiator control.
Handy design, portable or stationary use, easy wall mounting or magnetic wall mounting.
Convenient remote control of your smart home network via the four customisable buttons.
Control up to twelve devices or device groups conveniently via the high-resolution e-paper display.
Can be used with any Fritz!Box with a DECT base station or Fritz!Os from version 7.10 and connected via DECT ULE technology.

50,00 €
Value for Money

05

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Plus Radiator Thermostat

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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

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.

17,95 €
06

AVM

FRITZ!DECT 350 (Magnetic Door/Window Contact for Smart Home, Energy Efficient, DECT-ULE Sensor, Compatible with FRITZ!Box, Detects Open Doors/Windows, German Version)

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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

Smart door and window contact that immediately detects as soon as doors or windows are opened, closed or tilted and triggers scenarios to save on heating and energy costs
Simply control and control via the FRITZ!App Smart Home, the FRITZ!Fon or the FRITZ!Box user interface
Quick installation thanks to the included adhesive strips, can be attached to or on the window or door frame as well as integration into the home network within a few minutes at the touch of a button
Perfect interaction with intelligent radiator controllers, such as the FRITZ!DECT 302, as well as the FRITZ!Box via the DECT-ULE sensor
Box contents: FRITZ!DECT 350 (consisting of sensor and magnet), quick start guide, 2 x AAA batteries, adhesive strip, reset needle

30,93 €
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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9.0

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

Ultra-long standby time - uses energy-saving wireless technologies that promise longer battery life
Room-by-room comfort - individually adjust the temperature to a perfect level in each room. Save your preferred setting for future use
Please note that this thermostat must work together with a hub, you must have KE100 KIT in advance
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
Intelligent heating and compatibility - the intelligent radiator thermostat is suitable for extending the digital control of your heating to additional rooms. Fits most existing radiator valves (M30 x 1.5mm) with the 3 supplied adapters that maximise compatibility
Easy installation - simply replace your old radiator valve with Kasa and follow the step-by-step instructions in the app for installation (English language not guaranteed). You can do all this yourself without any difficulty
Child lock - prevent children from accidentally operating your radiator.
Anywhere & anytime smart - control the temperature of your home from anywhere and anytime with the Kasa Smart app. Set schedules to automate your heating to suit your daily routines

33,00 €
08

eqiva

Model N Radiator Thermostat, with Boost Function, Quiet Model, Set for 4 Rooms

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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

Timeless, simple casing and compact design, extremely quiet gear unit.
Reduces power consumption of your radiators by up to 30 percent, easy to install.
Ready for immediate use with pre-set programming, can be individually programmed for each day.
Easy operation due to the slanted placement of the operating and display elements.
Automatic heating and energy saving in all rooms, automatically lowering the temperature when airing the room.

73,95 €
09

eqiva

Eqiva Bluetooth Smart Radiator Thermostat

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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

Test winner at Stiftung Warentest: award with top grade in January 2017: The BLUETOOTH Smart Radiator Thermostat convinced in the test with reliable heat regulation, easy handling and especially long battery life
Radiator thermostat with Bluetooth Smart (from version 4.0) for needs-based regulation of the room temperature
Please refer to the product dimensions as well as the manufacturer's instructions for compatible heater models
How to activate Bluetooth: The Bluetooth function of the radiator thermostat can be manually activated or deactivated; press the mode/menu button for at least 3 seconds; select the menu item "bLE" with the control wheel and confirm by briefly pressing the control wheel; "OFF" appears on the display to disable the function or "On" to activate the function; confirm short press by short press of the control wheel
Free app "calor BT" for iOS and Android (iOS 8.2 or later; Android 4.4 or higher)
Configuration of the weekly program allows you to enter any temperature gradients with up to 7 switching times per day
ATTENTION: To successfully complete a firmware update, the device must be within the Bluetooth reception range (10 m). Keep the app active and touch the touch screen from time to time. To avoid irreversible damage, the display must not switch to standby mode

24,88 €
10

Olympia

Set of 2 Programmable Radiator Thermostats (Energy Saving Controller) HT 2000

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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

Very sturdy outer casing; quiet operation; battery life up to 5 years*
Save up to 30% in heating costs
Quiet Model, set 2 for rooms, pro version with sturdy metal nut
2 x HT 2000 electronic thermostat

32,99 €