Christmas SaleToday's sale ends

Best Eq 3 Thermostat - Holiday Sale

Advertising Disclosure

Last Updated - 18.12.2025

Best Choice

01

eQ-3

2 Pack Radiator Thermostat Heads with Bluetooth - eQ-3

Show more
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.

Show more
Main highlights

With Bluetooth connection.
Very fine adjustment of the temperature
LCD display for local monitoring at any time.
Application available on iOS and Android

179,94 €
02

Homematic IP

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

Show more
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.

Show more
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.

119,95 €
Value for Money

03

eqiva

Eqiva Bluetooth Smart Radiator Thermostat

Show more
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.

Show more
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 €
04

eqiva

eqiva Model N Electronic Radiator Thermostat with Boost Function Set of 3

Show more
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.

Show more
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 €
05

eqiva

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

Show more
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.

Show more
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

97,80 €
06

eqiva

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

Show more
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.

Show more
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 Radiator Thermostat Model L with Amazon Basics Batteries

Show more
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.

Show more
Main highlights

Radiator thermostat for timed regulation of room temperature
Pack of 20 AA 1.5V alkaline batteries - Battery film may vary from product photo
Improved corrosion protection and new zinc composition for a shelf life of 10 years
Easy installation without draining water

31,97 €
08

eQ-3

Set of 4 N Radiator Thermostat with Boost Function

Show more
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.

Show more
Main highlights

Supply Voltage: 3 V Max. Power consumption 100 mA batteries 2 Mignon/LR6/AA battery service life of approx. 3 years (3 cycles) display LCD Dimensions (W x H x D) 58 x 71.5 x 90 mm (with connection flange) thread connection M30 x 1.5 (e.g. Heimeier) case colour: white (similar to RAL 9016) Weight 126,5 g

114,95 €
09

Deutsche Telekom

Telekom SmartHome eQ-3 40296221 40291482 Radiator Thermostat (IP)

Show more
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.

Show more
Main highlights

Easy installation without draining water or intervening with the heating system
Can be quickly learned to the system and thus individually integrated into your own smart home system
Allows you to regulate the room temperature in a time-controlled manner and adjust heating phases to individual needs

24,99 €
10

eQ-3

EQ3 Energy-Saving Radiator Thermostat

Show more
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.

Show more
Main highlights

Extra-low-voltage thermostat ETH eco. Simple assembly: no intervention in the heating system is required, no draining of water, simply exchange with existing thermostats, numerous adaptors for almost all types of valves. Simple, intuitive operation. Large clear display showing current and target temperature. Heating / cooling-off interval display. Status function automatically recognises temperature drops when airing out rooms and reduces heating temperatures immediately, to save heat energy. Summer / Winter time adjustment function.

49,95 €