Best Open Window Detection Smart Thermostats of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 11 Feb 2026

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Open Window Detection Smart Thermostats are a new generation of home heating devices that offer innovative features to help you stay comfortable and save energy. These smart thermostats are equipped with advanced sensors that can detect when a window or door is open, and automatically adjust the heating to save energy. They also have intuitive interfaces that allow you to easily program schedules and adjust settings from your smartphone or tablet. With their sleek designs and energy-saving features, Open Window Detection Smart Thermostats are a great choice for anyone looking to improve their home's heating efficiency.

At a Glance: Our Top Picks

Enerj Smart Radiator Thermostat with WiFi Control Cover #TOP 1
Enerj Smart Radiator Thermostat with WiFi Control
ftb score rating icon 9.8
SPC Vesta Thermostat WiFi Heating Thermostat for Gas Boiler, Smart App Operation Cover #TOP 2
SPC Vesta Thermostat WiFi Heating Thermostat for Gas Boiler, Smart App Operation
ftb score rating icon 9.7
Meross Smart Thermostat for Underfloor Heating Cover #TOP 3
Meross Smart Thermostat for Underfloor Heating
ftb score rating icon 9.5

Top 10 Open Window Detection Smart Thermostats

Enerj Smart Radiator Thermostat with WiFi Control

TRV604
White
Enerj Smart Radiator Thermostat with WiFi Control Cover
ENER-J Smart WiFi Radiator Thermostat - Digital TRV Valve for Multi-Room Heating Control, Save Energy & Costs, Works with Alexa & Google Assistant, Open Window Detection, DIY Easy Installation

The Enerj Smart Thermostat offers exceptional convenience for managing your home’s heating. With remote control, you can adjust all your radiators from your phone, ensuring you never leave a heater running in an empty room. The voice control feature allows you to simply ask Alexa or Google Assistant to adjust the temperature, making it easy for you to stay comfortable. Additionally, the smart schedule lets you set heating routines tailored to your daily life, enhancing energy efficiency. Lastly, the frost protection feature safeguards your pipes from freezing, keeping your home safe during cold spells.

What We Like
Remote control via smartphone
Voice control with Alexa/Google
Smart scheduling for efficiency
Frost protection for pipes
#TOP 2

SPC Vesta Thermostat WiFi Heating Thermostat for Gas Boiler, Smart App Operation

SPC
6474B
White
SPC Vesta Thermostat WiFi Heating Thermostat for Gas Boiler, Smart App Operation Cover
SPC Vesta Thermostat WiFi Heating Thermostat for Gas Boiler, Smart App Operation, Compatible with Alexa/Google, Open Windows Detection, Programmable and Wall – White

Features
An Intelligent Thermostat That Saves Energy. With An Intelligent Heating System, You Always Save Energy. With The SPC VESTA THERMOSTAT You Can Program The Heating And Heat Your Home To A Certain Temperature On Different Days Of The Week, By Time Windows And Even Depending On The Weather Conditions. In This Way, Not A Single Degree Of Temperature Is Lost And A Constant Temperature Is Maintained.
Intelligent Heating With Remote Control. Intelligent Kit Of WiFi Thermostat And Gateway With Zigbee Technology To Control Your Heating. By Plugging The Gateway Into A Wall Outlet And Connecting, You Can Control The Thermostat Even When You Are Away From Home Thanks To The SPC IoT App Available For Android And iOS.
International Products Have Separate Terms, Are Sold From Abroad And May Differ From Local Products, Including Fit, Age Ratings, And Language Of Product, Labeling Or Instructions.

Meross Smart Thermostat for Underfloor Heating

MTS200
White
Smart Thermostat
Meross Smart Thermostat for Underfloor Heating Cover
Meross Smart Thermostat, for Electric Underfloor Heating, with Timer, Programmable and Multi-room Control, Hubless, Voice/Remote Control, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant

The Meross Smart Thermostat offers versatile control over your electric underfloor heating system, with the added benefit of a summer mode for cooling systems. You can easily manage your heating using voice commands, a dedicated app, or a remote, providing convenience in your daily routine. The dual sensors ensure precise temperature adjustments by monitoring both room air and floor temperature, helping you avoid overheating. Additionally, the open window detection feature notifies you if a window is opened, allowing the thermostat to pause heating and save energy, which can lead to significant cost savings.

What We Like
Easy voice and app control
Precise temperature adjustments
Energy-saving window detection
Quick self-installation
#TOP 4

HEIBTENY Smart Radiator Thermostat Programmable Heating Control System For Zigbee For Tuya Smart App Voice Commands Support Window Open Detection Battery Efficient

PRZ5DRM42MRUJ12U95BE
2 Pcs
HEIBTENY Smart Radiator Thermostat Programmable Heating Control System For Zigbee For Tuya Smart App Voice Commands Support Window Open Detection Battery Efficient Cover
HEIBTENY Smart Radiator Thermostat Programmable Heating Control System For Zigbee For Tuya Smart App Voice Commands Support Window Open Detection Battery Efficient(2 PCS)

Features
BROAD COMPATIBILITY: Designed To Fit Most Radiator Valves With M30 X 1.5 Mm Thread Size, This Thermostat Includes Six Adapters For Extensive Heating System Integration. No Need To Worry About Replacement Compatibility – Our Versatile Design Works With Numerous Valve Types For Hassle-Free Installation.
For ZIGBEE CONNECTIVITY: Connect This Smart Radiator Thermostat To Your Home Network Via A For ZIGBEE For GATEWAY Hub For Seamless Remote Control Through ForTUYA App. Enjoy The Convenience Of Voice Commands Compatibility With For ALEXA, Letting You Adjust Your Home Temperature Without Lifting A Finger.
INTELLIGENT TEMPERATURE MANAGEMENT: Experience Superior Comfort With Advanced Features Including Programmable Heating Schedules, Window Open Detection That Prevents Energy Waste, Historical Temperature Tracking, And Frost Protection That Safeguards Your Pipes During Cold Weather.
FAMILY FRIENDLY FEATURES: Protect Curious Little Ones With The Child Lock Function That Prevents Accidental Setting Changes. Take Advantage Of Group Control Capabilities To Manage Multiple Thermostats Simultaneously, Creating Consistent Comfort Zones Throughout Your Home With Minimal Effort.
ENERGY EFFICIENT OPERATION: Powered By Three 1.5 Volt Alkaline AA Batteries (not Included) That Last Up To 10 Months Thanks To Energy-Conserving For ZIGBEE Technology. Reduce Energy Consumption While Maintaining Optimal Comfort Through Precise Temperature Control And Smart Scheduling.
#TOP 5

Meross Smart Thermostat Works with Combi Boiler & Water-Based Underfloor Heating, WiFi Room Programmable Thermostat with App Control, Energy Saving

MTS215B
White
Matter
Meross Smart Thermostat Works with Combi Boiler & Water-Based Underfloor Heating, WiFi Room Programmable Thermostat with App Control, Energy Saving Cover
Meross Smart Thermostat Works with Combi Boiler & Water-Based Underfloor Heating, WiFi Room Programmable Thermostat with App Control, Energy Saving, Compatible with Matter, HomeKit, Alexa, Google Home

Features
Programmable Thermostat With Dual Mode Comfort & External Sensor - Supporting Both Heating And Cooling Modes, This Thermostat Keeps You Comfortable Year-Round. Add Optional External Sensors For Bathrooms, Saunas, Or Rooms With Sensitive Flooring, Ensuring Accurate Ambient Readings. It's Ideal For Families Who Value Temperature Consistency Across Rooms And For Eco-Conscious Homeowners Optimizing Usage In Every Season. Smart Zoning Ensures Every Space Stays Better Climate-Controlled.
Water-Based System Exclusive - Designed For Combi Boilers And Water-Based Heating Systems, Work With Matter, Apple Home, Siri, Alexa, Google, Home Assistant And SmartThings. Meross Smart Thermostat Is Ideal For UK Homes Using Underfloor Water Heating. Not Compatible With Electric Underfloor Heating. Not For Hot Water, Shower, Or Water Tank. Requiring 2.4GHz WiFi And Live + Neutral Wires, It Connects Directly To Your Network With No Hub Needed, Simplifying Installation For Modern Family Homes.
Wall Smart Thermostat For Family Living - This Smart Heating Controller Is Built With The Modern Family In Mind. It Includes A Child Lock, Memory Recovery After Power Cuts, A Dimmable LED Screen, And Silent Touch Keys—all In A Minimalist White Glass Design That Blends Into Any Home Interior. From Busy Households To Quiet Study Corners, It Ensures Safety, Peace, And Aesthetics In One Device. Whether Used In Nurseries, Bedrooms, Or Hallways, It Combines Style And Security.
Voice & App Controlled Digital Thermostat - Compatible With Matter, Apple HomeKit, Siri, Alexa, And Google Assistant, Meross Digital Thermostat Lets You Manage Heating Your Way—by Voice Or Through Meross App. Whether You Want To Preheat The Living Room Before You Get Home, Turn Down The Temperature Without Leaving Your Bed, Or Let Each Family Member Adjust Settings From Their Own Phone, It's All Quick, Simple, And Energy-Smart.
Smart Heating With Scheduling & Multi-Zone Control - Plan Your Heating Like Clockwork With Up To 8 Programmable Periods Per Day, Enabling True 24/7 Control. Whether You Want Warm Floors In The Morning Or Energy-Saving Overnight Settings, This Thermostat Adapts To Your Daily Rhythm. Installed Via A Standard 86mm Wall Mounting Box, It Supports Multi-Zone Management—perfect For Larger Homes Or Flats With Individual Room Needs.
Boiler Thermostat With Energy Reports & Open Window Detection - Stay In Control With Real-Time Energy Usage Reports And Temperature Trends Via The Meross App. When You Open The Window To Ventilate, The Room Thermostat Automatically Stops Heating For A While To Avoid Energy Waste, Helping You Save Energy And Reduce Costs By Up To 30%. This Makes It The Ideal Heating Thermostat For Kitchens, Bathrooms, Or Anywhere Heat Is Easily Lost.
#TOP 6

Drayton Wiser Smart Thermostat with Dual Zone Control

Drayton by Schneider Electric
WT734R9K0902
White
Thermostat Kit 3
Drayton Wiser Smart Thermostat with Dual Zone Control Cover
Drayton Wiser Smart Thermostat Dual Zone Heating and Hot Water Control - Works with Amazon Alexa, Google Home, IFTTT

The Drayton Wiser Thermostat offers you a comprehensive solution for managing your heating and hot water. With the ability to save on energy bills, you can monitor your usage and set budgets, potentially saving up to £575 annually. Its compatibility with various boiler types allows you to control multiple heating zones. You can also upgrade to room-by-room control by adding radiator thermostats, ensuring each room is at your preferred temperature. The customisable setup supports a large number of devices, making it ideal for diverse home layouts.

What We Like
Energy-saving features
Easy DIY installation
Room-by-room temperature control
Comprehensive monitoring insights
Open window detection
#TOP 7

Smart Thermostat for Combi Boiler/Water Underfloor Heating

MTS200
White
1 Pack
Smart Thermostat for Combi Boiler/Water Underfloor Heating Cover
Smart Thermostat for Combi Boiler/Water Underfloor Heating, WiFi Thermostat Works with Apple HomeKit Siri, Alexa, Google Home, Support Programmer/Voice/Remote Smart Heating Control, White

Features
[Open Window Detection Function] Save Energy And Reduce Electricity Bills! When A Window Is Detected As Open, The Smart Thermostat Will Automatically Shut Down For 30 Minutes To Avoid Energy Waste. The App Will Also Send You Notifications To Remind You When The Window Is Open.
[Smart Thermostat Control] The WiFi Heating Thermostat Is Compatible With Most Boiler/water Underfloor Heating Systems. You Can Control The Heating Remotely Using The Free App “Refoss” Or Voice Control, Which Is Compatible With Apple HomeKit Siri, Amazon Alexa (Echo, Echo Dot), Google Home, Or Manual Touchscreen Control. Only 2.4GHz WiFi Is Supported, And No Hub Is Required.
[Add Summer Mode Function] The Summer Mode Function Can Be Utilized For Cooling During The Summer And Necessitates A Cooling-Compatible System, Such As An Air-To-Air Heat Pump System. Please Note That Certain Features Mentioned Require The Latest Version Of The App. Ensure That You Update Both Your App And Firmware. The iOS Version Has Already Been Released, And The Android Version Will Be Available Soon.
[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.
[Dual Temperature Sensor] To Accurately Sense The Room Temperature For Maximum Home Comfort, We Utilize An Internal Sensor To Detect Air Temperature And An External Sensor Wire To Measure The Floor Temperature As Needed (installing The External Sensor Wire Is Necessary For External Sensing). You Can Switch Between The Sensors Based On Different Scenarios To Better Control The Heat While Preventing Overheating. Temperature Control Range: 5-35°C; Measurement Temperature Accuracy: 0.1°C.

KETOTEK Smart WiFi Thermostat for Boiler Control

KTF0163C
Black
3A Boiler
KETOTEK Smart WiFi Thermostat for Boiler Control Cover
KETOTEK Smart Thermostat WiFi Black for Boiler 3A 220V with Dry Contact, Programmable Boiler Thermostat Controller Compatible with Alexa, Tuya/Smart Life App Control

The KETOTEK WiFi Thermostat is designed for easy control of your boiler or underfloor heating system. It uses dry contacts to safely start and stop your boiler, ensuring compatibility without supplying power. You can manage the temperature remotely via the Tuya or Smart Life app, or use voice commands with Alexa or Google Assistant, offering great convenience. The thermostat also supports flexible weekly programming to save energy by heating only when needed. Additionally, its open window detection helps prevent energy waste by turning off heating when a sudden temperature drop is detected, such as when a window is left open.

What We Like
Compatible with most boilers
Control via app and voice
Flexible weekly scheduling
Energy-saving open window detection
#TOP 9

Beok Smart Wifi Thermostat for Gas Boiler and Water Underfloor Heating, Remote & Voice Control

BW-W-03
Gas Boiler
WiFi Thermostat
Beok Smart Wifi Thermostat for Gas Boiler and Water Underfloor Heating, Remote & Voice Control Cover
Beok Smart Wifi Thermostat for Gas Boiler and Water Underfloor Heating, Remote & Voice Control, Compatible with Tuya App, Alexa, Google Assistant, Flush-mounted Room Thermostat 230V 3A

Features
[Daily Programming] Freely Configure Up To 6 Heating Periods Per Day. Intelligently Adjust Heating According To Your Daily Routine. Save Energy When You Leave Home And Stay Warm When You Return, Balancing Comfort And Energy Efficiency.
[Easy App Control] Compatible With Gas Boilers And Water-Based Underfloor Heating Systems, This Smart Thermostat Can Be Remotely Controlled Via The Tuya App Anytime, Anywhere. Adjust Temperatures In Advance, Monitor Real-Time Status, And Streamline Your Daily Comfort — All Through Your Smartphone. *Requires 2.4GHz Wi-Fi Connection.*
[Packing List] 1 X Flush-Mounted Thermostat, 2 X Mounting Screws, 1 X Operating Instructions; Voltage: AC100-240V, 50/60Hz, Load Current: 3A; Dimensions: 8.6 X 8.6 X 4.0 Cm
[More Features] Window Open Detection + Adjustable Brightness; A Large LCD Screen That Remains Clear And Legible Even In The Dark; Built-In Child Lock, Frost Protection, Power-Off Memory, Temperature Calibration, High-Temperature Protection, Start Temperature Differential, And Other Practical Functions.
[Compatible With Google Home And Alexa] Bluetooth And WiFi Can Be Used To Quickly Connect To Your Mobile Phone, The Operation Steps Are Simple; Voice Control Of Smart Home Integration And Heating With Alexa And Google Assistant. Just Give A Voice Command To Turn The Thermostat On And Off And Even Set It To A Specific Temperature As Required (e.g. 'Alexa, Set The Living Room To 20 °).

tado° Wired Smart Thermostat Starter Kit V3+

4260328611456
White
tado° Wired Smart Thermostat Starter Kit V3+ Cover
tado° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT

The tado° Smart Thermostat offers you full control over your heating from anywhere via the tado° app. You can enjoy a Heating Boost feature that allows you to quickly warm up all rooms for 30 minutes with just one click. The Smart Schedules feature helps you maintain the perfect temperature in each room at any time, ensuring heating is only active when someone is home. Additionally, if the app detects an open window or no one is home, it will remind you to lower the heating, helping you save energy and money.

What We Like
Intelligent heating control
Easy DIY installation
Works with smart assistants
Energy-saving features
Compatible with various heating systems
Buying Guide Image
Editor's Notes

During our open window detection smart thermostat research, we found 35 open window detection smart thermostat products and shortlisted 10 quality products. We collected and analyzed 34,173 customer reviews through our big data system to write the open window detection smart thermostats list. We found that most customers choose open window detection smart thermostats with an average price of £107.70.

The open window detection smart thermostats are available for purchase. We have researched hundreds of brands and picked the top brands of open window detection smart thermostats, including ENERJ, SPC, meross, HEIBTENY, Drayton by Schneider Electric.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.