Best Thermostat Eq 3 2025

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Last Updated - 09/06/2025

Best Choice

01

Homematic IP

eQ-3 Homematic IP Set of 3 Radiator Thermostat HMIP-eTRV-2 for Smart Home/Home Automation

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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

With the set of three radiator thermostats, 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-on detection as well as a window and door contact.
The operation of the thermostats 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 user interface WebUI (no longer compatible with the CCU2 headquarter); third-party partner solutions.
Replaces conventional thermostats (M30x1. 5, Oventrop, Danfoss) and controls the radiator according to individual needs.
Individual temperature gradients with up to 13 changes per day in 3 adjustable heating profiles.
Convenient configuration and operation via the Homematic IP smartphone app, control also possible via Alexa or Google Assistant.

149,85 €
02

eqiva

eQ-3 eqiva Model L Electronic Radiator Thermostat with Boost Function, Set of 4, White

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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

Very quiet compact gearbox - approx. 30% quieter than the predecessor type K
Intuitive operation, large display
Holiday and party function: keep a set temperature for a certain period of time (i.e. with a set end time), the programmed switching cycles are overcontrolled; after the time has elapsed, the programmed switching cycles automatically apply again
Easy installation without intervention in the heating system, fits almost all valves (threaded connection M30 x 1.5 mm)
Automatic lowering when ventilating, child lock, frost protection/anti-limescale function, battery life: approx. 3 Years

99,40 €
03

eqiva

eqiva Model N Electronic Radiator Thermostat with Boost Function Set 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

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

56,95 €
04

eqiva

Eqiva Bluetooth Smart Radiator Thermostat

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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

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

33,21 €
Value for Money

05

eQ-3

eQ-3 AG Eqiva Universal-Thermostat UT300

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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

Universal electronic thermostat
The remote temperature sensor with connection cable (2 m) captures temperature data from -40 to +99 °C
Switches connected consumers on and off via temperature control
Easy to use directly on the device
Can be used as a heating or cooling thermostat, e.g. B. can be used in conjunction with a fan or fan heater (on/off temperature can be freely selected)

39,95 €
06

eqiva

Eqiva Bluetooth Smart Electronic Radiator Thermostat with App Control (Set of 3)

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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

Up to 5 radiator thermostats per room can be combined via app, max. 10 rooms
Saves up to 30% on heating costs
Manual temperature setting possible at any time directly on the thermostat
Intuitive operation/programming via free app for iOS/Android "calor BT"
Identical to eQ-3 Bluetooth Smart Thermostat – winner of Stiftung Warentest edition 01/2017
Holiday and party function: keep a set temperature for a certain period of time (i.e. with a set end time), the programmed switching cycles are overcontrolled; after the time has elapsed, the programmed switching cycles automatically apply again
Fully individual, needs-based heating and lowering periods adjustable, any temperature gradients and programmable up to 7 switching times per day
Electronic radiator thermostat with weekly programme
Easy to install without draining water and without special tools

86,85 €
07

eqiva

Eqiva Bluetooth Smart Radiator Thermostat, 132231K0A

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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

Timeless
Simple housing and compact design - particularly quiet gearbox
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

24,85 €
08

Homematic IP

Homematic IP Smart Home Radiator Thermostat, Digital, for Heater, Heating Control via App, Alexa and Google Assistant, Easy Installation, Energy Savings, 140280A1

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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

With the 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-on detection with a window and door contact
Replaces conventional thermostats (M30x1. 5, Oventrop, Danfoss) and controls the radiator according to individual needs
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 user interface WebUI (no longer compatible with the CCU2 headquarter); third-party partner solutions
Individual temperature gradients with up to 13 changes per day in 3 adjustable heating profiles
Convenient configuration and operation via the Homematic IP smartphone app, control also possible via Alexa or Google Assistant

49,95 €
09

Homematic IP

Homematic IP Smart Home Wall Thermostat - Basic, Anthracite, Digital Thermostat for Radiators with/without App, Alexa, Google Assistant, Temperature Measurement, Energy Saving, 160554A0

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16% Off
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

The setup and control of the wall thermostat via the free smartphone app and the toll free cloud service requires the connection to the Homematic IP access point. This product is not compatible with the CCU2 control panel
Long-lasting LR6 battery power supply (type. 5 years) and radio communication allow flexible mounting options via double-sided adhesive tape or with screws on walls or flush-mounted boxes.
Individual temperature gradients with up to 13 changes per day and up to 6 adjustable profiles (3 x heating/3 x cooling)
For timed control of room temperature in conjunction with Homematic IP underfloor heating actuators or Homematic IP radiator thermostats

49,95 € 59,95 €(16% Off off)
10

Homematic IP

Homematic IP Basic Smart Home Radiator Thermostat Digital Thermostat Heater, App Control, Alexa, Google Assistant, Easy Installation, Energy Saving, 153412A0

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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

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 contact
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 control panel
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 €