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10 bestSiemens Thermostatsof December 2025

112M consumers helped this year.

19% off

1

Hive Thermostat for Heating (Combi Boiler) with Hive Hub - Energy Saving Thermostat – to highlight the boiler needed is a combi boiler, Black,chrome
Hive Thermostat for Heating (Combi Boiler) with Hive Hub - Energy Saving Thermostat – to highlight the boiler needed is a combi boiler, Black,chrome

Hive

9.7

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2

Drayton Wiser Smart Thermostat Heating and Hot Water Control Kit - Works with Amazon Alexa, Google Home, IFTTT
Drayton Wiser Smart Thermostat Heating and Hot Water Control Kit - Works with Amazon Alexa, Google Home, IFTTT

Drayton

9.4

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27% off

3

TP-Link Kasa Smart Thermostat Radiator Valve, Smart Radiator Valve, Energy Saving, LED display Radiator Thermostat Valve, Smart TRV Schedule, Works with Alexa & Google, Easy installation(KE100 KIT)
TP-Link Kasa Smart Thermostat Radiator Valve, Smart Radiator Valve, Energy Saving, LED display Radiator Thermostat Valve, Smart TRV Schedule, Works with Alexa & Google, Easy installation(KE100 KIT)

TP-Link

9.1

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4

ESI - Energy Saving Innovation Controls ESRTP4RF+ Wireless Programmable Room Thermostat, White
ESI - Energy Saving Innovation Controls ESRTP4RF+ Wireless Programmable Room Thermostat, White

ESI - Energy Saving Innovation Controls

8.8

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5

SIEMENS RDJ100RF Digital Room STAT
SIEMENS RDJ100RF Digital Room STAT

SIEMENS

8.5

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Siemens - RDJ100RF/SET - Room Thermostat Radio Frequency Set with 24-Hour time Switch (Transmitter and Receiver)

Siemens - RDJ100RF/SET - Room Thermostat Radio Frequency Set with 24-Hour time Switch (Transmitter and Receiver)

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Siemens RDH100 Wireless Room Thermostat & Receiver

Siemens RDH100 Wireless Room Thermostat & Receiver

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Siemens RDE100.1RF Digital Programmable Room Thermostat & Receiver

Siemens RDE100.1RF Digital Programmable Room Thermostat & Receiver

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Siemens (RDH100) RDH100RF/SET Digital Wireless Room Thermostat & Receiver (Large Display Screen) - Hanicks

Siemens (RDH100) RDH100RF/SET Digital Wireless Room Thermostat & Receiver (Large Display Screen) - Hanicks

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6

Siemens RDS110 Smart Learning Thermostat
Siemens RDS110 Smart Learning Thermostat

SIEMENS

8.2

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7

Honeywell DT90E1012 digital room thermostat
Honeywell DT90E1012 digital room thermostat

Honeywell

7.9

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8

Bosch Smart Home Room Thermostat II for Wired Heating Systems, 230 V, Compatible with Google Assistant and Alexa
Bosch Smart Home Room Thermostat II for Wired Heating Systems, 230 V, Compatible with Google Assistant and Alexa

Bosch

7.6

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9

Drayton 25476 LP722 (Mk4) 2 Channel Programmer, White
Drayton 25476 LP722 (Mk4) 2 Channel Programmer, White

Drayton

7.3

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10

SIEMENS RDH10RF Digital Room STAT
SIEMENS RDH10RF Digital Room STAT

SIEMENS

7.0

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