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Best Thermostats - Holiday Sale

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Last Updated - 18.12.2025

Best Choice

01

eqiva

eqiva Electronic Radiator Thermostat Model N with Boost Function and Quiet Compact Gearbox Set of 5

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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

Universally applicable, suitable for all standard valve types/manufacturers with M30 x 1.5 thread
Time-controlled regulation of the room temperature
Heating/lowering times can be individually programmed via weekly program (3 heating phases/7 switching times per day programmable)
Easy to install: no water drainage, no intervention in the heating system, no special tools required
Boost function for quick heating - the radiator immediately releases heat for a few minutes, then regular further heating

89,95 €
02

ET - EUROTRONIC Technology GmbH

Eurotronic 700200 Comet Wifi 2021 Radiator Thermostat (Heating via WiFi, Compatible with Alexa, Save Heating Costs, Regulate Room Temperature on the Go, Smart Home Accessories, Pack of 3)

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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

Save heating costs: The holiday function and the window open detection allow automatic regulation and thus particularly energy-efficient heating, which can save up to 30% on heating costs.
Optimal smart home accessory: with the thermostat you can conveniently control the room temperature via any 2.4 GHz WLAN network. The Alexa compatible heater controller can be integrated into your smart home without an additional gateway.
Note: The device can only be used in a 2.4GHz Wi-Fi
Modern Design The heater controller comes with LED indicator and touch sensor buttons on the device for manual control. The thermostat fits almost all radiator valves and runs particularly silently
Easy to use on the go: via the app, you can use individual heating profiles for e.g. kitchen, children's room, living room and bathroom and operate the intelligent temperature controller from anywhere in real time.
Box contents: Eurotronic Comet WiFi 2021 set of 3 energy-saving controllers, quick operation instructions, 6 AA batteries, 9 plastic adapters (Danfoss RA, RAV, RAVL) - colour: white

82,90 €
Value for Money

03

eqiva

Eqiva Radiator Thermostat Model N, 132231K2

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9.4

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

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 €
04

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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9.3

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

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

35,97 €
05

Danfoss

Danfoss RA 015G3090 Radiator Thermostat - Precise Temperature Control, Energy Saving & Year-Round Comfort - 23 mm Neck Diameter, Easy Installation for Reliable & Efficient Heating Performance

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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

Unique RA-Click connector for quick and easy installation - for DIY enthusiasts and professionals
Top quality based on 80 years of experience
Fast response time helps to reduce your energy consumption
Classic and reliable liquid-filled thermostatic head
Best in class control accuracy (0.2 K) The lower the CA value, the more accurate the thermostat head maintains the desired room temperature

14,09 €
06

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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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

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 €
07

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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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

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.

79,42 €
08

SM-PC

SM-PC® digital room thermostat floor heating panel wall heater LED white #a31

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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

various set-up functions: e.g. calibration of the displayed temperature, operation via keys, connection of several actuators (parallel operation) possible.
Underfloor heating (water operated) via regulation of an actuator (230 V, NC), electric underfloor heating 230 V, max. 3600 watts (external sensor is required), electric wall or ceiling heating (also infrared), max. 3600 watts.
LCD back-lit display (only switches on when operated and switches off after approximately 10 seconds).
Customised weekly programme (5 + 2, 6 + 1, 7 + 0), temperature sensor: integrated NTC sensor for air temperature measurement, colour: white
Assembly: flush-mounted box, diameter: min. 58 mm installation opening, voltage: AC 230 V, 50 Hz, max. Switching capacity: 16 A (= 3,600 watt).

21,79 €
09

Homematic IP

Homematic IP Smart Home Wall Thermostat with Humidity Sensor, Digital Thermostat Radiator / Underfloor Heating with App, Temperature Measurement, Energy Saving, 156669A0

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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

Operation requires connection to one of the following solutions: Homematic IP Access Point with free smartphone app and toll free cloud service; Central CCU3 with local interface WebUI (no longer compatible with the CCU2 headquarter); third-party partner solutions.
Measures target and actual temperature as well as humidity. Time-controlled regulation of the room temperature via Homematic IP radiator thermostats, underfloor heating actuators or switching sockets.
Has an illuminated display and can be placed freely in the room thanks to the radio communication
Easy integration into existing switch series from leading manufacturers: Berker, Gira, Merten, Jung and Elso
Convenient installation via double-sided tape, with screws and dowels or directly on a flush-mounted box possible
Comfortable voice control with Alexa, e.g. via Echo in conjunction with the Homematic IP Access Point.

47,80 €