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Best Test Fritz 301 - Holiday Sale

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Last Updated - 18.12.2025

Best Choice

01

AVM

AVM Fritz!Fon C6 DECT Comfort Phone, High-Quality Colour Display, HD Telephony, Internet / Comfort Services, Control Fritz!Box Functions, White, German Version

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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

Use of Internet services: Emails, web radio, feeds, podcasts and live images from webcams, useful services such as wake-up call, call forwarding and baby monitor.
Control of FRITZ! Box functions, e.g. WLAN circuit, smart home applications, media server playback function.
Contents of delivery: AVM Fritz! Fon C6, charging station with integrated power supply for connection to 230 Volt mains, Li-ion battery pack, printed German language manual.
Comfortable cordless phone with intuitive menu navigation for all FRITZ! Box model with DECT base station.
Clear menus on a high-quality colour display (180 PPI), phone books for up to 300 entries, multiple answering machines with remote calling, up to 16 hours talk time, up to 12 days standby.

76,37 €
02

AVM

AVM Fritz!DECT Repeater 100 (Increases DECT Range)

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9.4

Excellent

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Main highlights

With FRITZ!Box as a base station DECT repeating also for HD telephony, Internet radio, podcasts and RSS as well as eavesdrop-proof calls
Quickly and easily increases the DECT range, ideal for all FRITZ!Box models with integrated DECT base
Multiple calls at the same time over long distances, range can be extended in any direction by using additional repeaters
Compatible with DECT base stations from other manufacturers (GAP standard) with activated repeater function
Box contents: FRITZ!DECT repeater 100, installation instructions (English language not guaranteed)

74,90 €
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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9.2

Excellent

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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

57,99 €
Value for Money

04

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

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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

33,99 €
05

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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9.0

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

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.

60,13 €
06

ET - EUROTRONIC Technology GmbH

Eurotronic Comet Plus 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

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.

18,44 €
07

AVM

Fritz! Intelligent AVM DECT 302 Thermostat for Efficient Heating and Optimal Comfort in Your Smart Home, Works with Most Common Radiators and a Fritz!Box with Integrated

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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

Quality/Durability
High-quality material
Flexible design
FRITZ! Intelligent AVM DECT 302 thermostat for efficient heating and maximum comfort for your smart home, works with the most common radiators and a FRITZ!Box with integrated DECT base
Durability

60,99 €
08

mein haus shop

Radiator Thermostat Adapter for RA Valves Stainless Steel (1)

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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

Material: 1.4301 rustproof
For applications where look and design are in the foreground
Connection: thread M30 x 1.5
Compatibility: Danfoss RA, RA-N - Valves
2023 version made of stainless steel

7,36 €
09

BEOK CONTROLS

Beok Radiator Thermostat WiFi, Smart Home Heating Thermostat Heater, Thermostat Heater, Digital WiFi Heating Controller, Control via Tuya App, Google Assistant & Alexa TRV-705

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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

WiFi function: App control: control the valve remotely anytime and anywhere via the Tuya or Smart Life app, 2.4 GHz network required. You can create a heating plan, create intelligent scenes, control house zones, retrieve historical data, share the device with your family and so on. Voice control: Work with Alexa/Google Assistant to turn devices on/off, adjust temperature, and automate with simple voice commands.
Packing list: 1 x TRV WLAN heating thermostat, 1 x instruction manual (English language not guaranteed), 6 x adapters; other functions: child lock, temperature correction, frost protection, shut-off memory, power display, etc.
Open window detection: If a temperature drop of more than 1.5° is detected within 5 minutes during heating, the open window detection function is activated and the device keeps the valve closed for 30 minutes. Anti-limescale Function The smart radiator thermostat is routinely descaled every Monday at 12:00 PM, which can avoid the rust problem of the valve caused by seasonal long-term non-use and extend the life of the valve.
Daily programming: adjust your heating plan to your work and life plan, set up to 6 periods with different temperatures per day. More mode selections to meet your different needs: automatic mode, manual mode, holiday mode, comfort mode, power saving mode, breakout mode, etc.
Compatible with most valves: radiator thermostat can be mounted directly on radiator valves up to a size of M30 x 1.5 mm or on most radiator valves with the help of an adapter (RA/RAV/RAVL/CAL/GIA/M28 adapters are included). Bi-directional screen display for easy reading: the screen is reversible so you can mount the valve horizontally or vertically.

33,99 €
10

Homematic IP

Homematic IP Smart Home Radiator Thermostat – Basic, Digital, for Heater, Control via App, Alexa, Google Assistant, Easy Installation, Energy Savings, 153412A3

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8.1

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

With the Basic radiator thermostat, you can save up to 33% on heating costs thanks to individual temperature gradients with up to 13 changes per day in three adjustable heating profiles and in combination with window-open detection with a window and door detector.
Stand-alone operation (push-to-pair) allows direct learning of up to eight Homematic IP window and door detectors (HmIP-SWDM) and direct operation on the device.
Setup and control of the thermostat via the free smartphone app and the free cloud service requires connection to the Homematic IP Access Point. This product is no longer compatible with the CCU2 central unit.
Replaces conventional radiator thermostats in just a few simple steps – no intervention in the heating system or draining water is necessary.
Ready to use thanks to the preset heating profile, which can be manually adjusted if necessary (individual temperature gradients with up to 13 changes per day).

29,95 €