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10 bestHoneywell Thermostatsof December 2025

112M consumers helped this year.

32% off

1

Honeywell Home T6R Smart Thermostat works with Apple HomeKit and Amazon Alexa replacement for NEST, TADO, ...
Honeywell Home T6R Smart Thermostat works with Apple HomeKit and Amazon Alexa replacement for NEST, TADO, ...

Honeywell Home

10.0

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31% off

2

Honeywell Home T6 Wired Smart Thermostat, Black
Honeywell Home T6 Wired Smart Thermostat, Black

Honeywell Home

10.0

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15% off

3

Honeywell Home DT3R Wireless Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)
Honeywell Home DT3R Wireless Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)

Honeywell Home

9.8

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19% off

4

Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility
Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility

Honeywell Home

9.5

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19% off

5

Honeywell Home THR99C3013 evohome WiFi Smart Thermostat Kit and Boiler Relay Module, Save Energy & Money, White
Honeywell Home THR99C3013 evohome WiFi Smart Thermostat Kit and Boiler Relay Module, Save Energy & Money, White

Honeywell Home

9.3

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Honeywell T4H110A1021 T4 7 Day Programmable Thermostat, 230 V, White

Honeywell T4H110A1021 T4 7 Day Programmable Thermostat, 230 V, White

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Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

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Honeywell Home MT1 Mechanical Environment Thermostat

Honeywell Home MT1 Mechanical Environment Thermostat

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Honeywell Y9120H2009 Sundial RF² Pack 1 (Contains: 1x ST9120C & 1x DT92E) Genuine Part

Honeywell Y9120H2009 Sundial RF² Pack 1 (Contains: 1x ST9120C & 1x DT92E) Genuine Part

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6

Honeywell Home THR99C3102 evohome Starter Pack for evohome System with WiFi Smart Thermostat and 2 Wireless Radiator Heads for Savings and Efficiency, White (3 Pieces)
Honeywell Home THR99C3102 evohome Starter Pack for evohome System with WiFi Smart Thermostat and 2 Wireless Radiator Heads for Savings and Efficiency, White (3 Pieces)

Honeywell Home

9.1

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7

Honeywell ST9400C Programmer. 7, 2-Channel, 3 on/Off per Day, 24 V, White - Bulk Package
Honeywell ST9400C Programmer. 7, 2-Channel, 3 on/Off per Day, 24 V, White - Bulk Package

Honeywell

8.8

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15% off

8

Honeywell Home THR840DEU DT2 Thermostat, White
Honeywell Home THR840DEU DT2 Thermostat, White

Honeywell Home

8.5

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9

Honeywell CMT927A1049 7-Day RF Chronotherm Wireless Programmable Thermostat
Honeywell CMT927A1049 7-Day RF Chronotherm Wireless Programmable Thermostat

Honeywell

8.2

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10

Honeywell Home T9 WIFI Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and Google Assist
Honeywell Home T9 WIFI Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and Google Assist

Honeywell Home

7.9

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