Best Honeywell Thermostats Wifi Deals Online in the UK (10 Deals Found)

Last Updated - 02/05/2026 Sort By:

Best Choice
Honeywell Home

New
Honeywell Home T6 Smart Thermostat — WiFi, App-Enabled for Savings and Efficiency — Compatible with HomeKit, Google Home
Modern & Smart Home Integration - Compatible with Apple HomeKit, Google Home, and Amazon Alexa. Control your smart centr

£141.51 £147.59
Honeywell Home

New
Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ
Versatile Compatibility - Compatible with 24-230V on/off and OpenTherm systems, including gas boilers, combi boilers, an

£73.00 £75.00
Best Value
Honeywell Home

New
Honeywell Home T6R Smart Thermostat works with Apple HomeKit and Amazon Alexa replacement for NEST, TADO, ...
Smart, Energy Efficient Savings: The T6R is a wireless, Wi-Fi enabled thermostat that gives you control when home or awa

£183.30 £199.99
Honeywell Home

New
Honeywell Home DT3R Wireless Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)
The Only Thermostat You Need: Built on feedback from professionals, the DT3 smart thermostat range brings together a sli

£99.99
Honeywell Home

New
Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (Black)
The Only Thermostat You Need: Built on feedback from professionals, the programmable, intelligent DT3 thermostat range b

£46.49
Honeywell Home

Used
Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (Black)
The Only Thermostat You Need: Built on feedback from professionals, the programmable, intelligent DT3 thermostat range b

£27.02
Honeywell Home

New
Honeywell Home Evohome House Solution, Smart Wi-Fi Central Operating Device Wi-Fi with Touchscreen Colour Display and Co
The evohome is the brain of your home heating system. Create and individually control up to 12 heating zones. Remote acc

£346.49
Honeywell Home

New
Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)
The Only Thermostat You Need: Built on feedback from professionals, the simple, intelligent DT3 thermostat range brings

£61.62
Honeywell Home

Used
Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)
The Only Thermostat You Need: Built on feedback from professionals, the simple, intelligent DT3 thermostat range brings

£36.86
Honeywell Home

New
Honeywell Home THR99C3013 evohome Smart WiFi Thermostat Boiler Relay Box and and 3 Wireless Control Radiator Heads, Whit
Next-Generation Thermostat: The evohome is the brain of your home heating system. Create and individually control up to

£328.32

10 Honeywell Thermostats Wifi deals are available from: Amazon stores, starting from £27.02.
The biggest discount we found is 8% on Honeywell Home T6R Smart Thermostat works with Apple HomeKit and Amazon Alexa replacement for NEST, TADO, ... at Amazon.
The lowest price we found is £27.02 while the highest is £346.49.
Prices for the best Honeywell Thermostats Wifi deals average at £134.46.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Honeywell Thermostats Wifi.