Refoss Smart Thermostat for Combi Boiler/Water Underfloor Heating, WiFi Thermostat Works with Apple HomeKit Siri, Alexa, Google Home, Support Programmer No Hub Required

Price: £39.99 - £33.99
(as of Jun 08, 2026 11:12:44 UTC – Details)

Product Description

Specification

Design Style Clean, Simple, Beautiful Voltage, Current, Power Style 240V~, 3A, Direct power supply Compatibility Dear, Refoss smart thermostat is designed for 2-wire systems!!! (Many customers with 1 line systems at home make purchases, resulting in the inability to use it.） Smart Control Touch / Remote / Voice control / Multiroom Control Home Automation Function Set an automatic heating schedule, open window detection, frost protection, floor overheating protection. 30%-Energy Saving You can save energy and money by leveraging home automation features to prevent unnecessary energy costs.

Free Your Hands

Just say “Hey Siri/Alexa/Hey Google” to control the temperature.

Remote Control

With the Refoss app, you can control your thermostat anytime, anywhere using the internet.

Summer Mode

The summer mode requires a cooling-compatible system, such as an air-to-air heat pump system.

1 Touch Control

2 Voice Control

3 Remote Control

4 Summer Mode

Dual-Sensing System for Precise Temperature

The internal sensor is used to measure the air temperature. The external sensor can be used in cases where the smart thermostat is not installed in the room.

Multiroom Control

Control the heating on/off, temperature, and even schedule of different rooms to further save on energy costs.

7/24 Schedule

You can add and delete scheduling functions, supporting up to 8 events per day.

Open Window Detection

Receive a notification on your phone when a window is open to avoid energy waste.

All Product Parts

Refoss Smart Device

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Price

£29.99£29.99

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Works with Apple HomeKit

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Works with Alexa

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Works with Google Assistant

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Remote Control

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Voice Control

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【Connected Wifi Thermostat With Extensive Smart Home Compatibility】The Refoss smart thermostat is compatible with Apple HomeKit, Alexa, Google Home. Simply use your voice to adjust the temperature. You can also remotely turn your heating system on or off via the Refoss App or Apple Home from anywhere with Internet access.
【Open Window Detection Function】When a window is opened for ventilation, the thermostat automatically turns off heating for 30 minutes to prevent energy waste. You will also receive app notifications reminding you when a window is open, helping you reduce unnecessary heating and save more on energy bills.
【High Precision Temperature Control With Dual Sensor System】0.1°C high-accuracy temperature control with an adjustable range of 5–35°C. Dual-sensor design includes a built-in air temperature sensor for precise room measurement and an external sensor to protect underfloor heating systems from overheating, ensuring stable, safe and comfortable heat.
【WiFi Connected Thermostat Compatibility】Designed for boiler and water underfloor heating systems, compatible with most gas, oil and electric boilers. But，it is not suitable for boilers that require digital protocols. Please check the type of heating in your home before buying. The Refoss wall thermostat works on 2.4GHz WiFi, requires no hub and no paid subscription. Ideal for apartments, houses and smart home upgrades.
❄【Introduction Of Summer Mode】 Summer Mode supports cooling applications such as air-to-air heat pump systems. By activating Summer Mode, you can control cooling devices and maintain an ideal indoor temperature even during hot summer months, expanding compatibility beyond traditional heating systems.
【Schedule and Multi-room Control】You can add and delete scheduling functions, supporting up to 8 events per day. The thermostat allows for a 24/7 schedule for different rooms. Multiple Alexa thermostats can be used to control different rooms. The heating system turns on and adjusts the temperature automatically when you’re at home and turns off automatically when you go out, based on the schedule you set.

Product summary

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