Best Built-In WiFi Thermostats of 2025

Name: Meross WiFi Smart Thermostat works
Brand: meross

Corey Phillips

Last Updated: 1 Feb 2025

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Built-In WiFi Thermostats are innovative home devices that allow you to control your heating and cooling systems remotely through your smartphone or tablet. These thermostats offer a range of features such as scheduling, temperature alerts, and energy-saving modes that can help you save money on your energy bills. With a built-in WiFi connection, you can easily monitor and adjust the temperature of your home from anywhere, anytime. These thermostats are easy to install and can be a great addition to any modern smart home.

At a Glance: Our Top Picks

#TOP 1

Meross WiFi Smart Thermostat works

9.8

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Meross WiFi Smart Thermostat works

#TOP1

9.8

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#TOP 2

ENGO E20i Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control

9.7

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ENGO E20i Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control

#TOP2

9.7

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#TOP 3

Optimum WiFi + RF Digital Programmable Room Thermostat Wireless

9.5

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Optimum WiFi + RF Digital Programmable Room Thermostat Wireless

#TOP3

9.5

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Top 10 Built-In WiFi Thermostats

#TOP 1

Meross WiFi Smart Thermostat works

meross

MTS960

White

Smart Thermostat

Meross WiFi Smart Thermostat works with HomeKit Alexa Google Home, Digital Wireless Thermostat Temperature Controller Remote and Voice Control for Heating and Cooling, 13A, White

9.8

FTB Score

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Features

Multiple Advanced Functions: Heating, Cooling, High And Low Temperature Alarms, Sensor Failure Alarms, Sensor Calibration, Energy Monitoring, Voice Control, Remote Control, Smart Schedule, Compressor Delay/protection, Memory During Power Cuts, Countdown And Cycle Timers; Suitable For Various Everyday Scenarios. Turn Ordinary Appliances Into Smart Ones And Simplify Your Life!

WiFi Smart Thermostat: Compatible With Apple Home, Alexa, Google Home, And SmartThings. Accurately Monitor Temperature And Achieve Remote Or Voice Control. It Can Be Used In A Variety Of Areas That Require Heating Or Cooling, Including Swimming Pools, Bedrooms, Lofts, Cellars, Wine Cellars, Server Rooms, Aquariums, Freezers, Cold Stores, Greenhouses, And For Temperature Control In Cultivation, Fermentation, Brewing, Incubation, And So On.

Strong Hardware Quality And Multifunctional Design: Max Load 13A, 2990W; Temperature Measurement Range: -30℃ To 110℃, Accuracy ±0.5℃ (supports Celsius And Fahrenheit); Stainless Steel Temperature Sensor (2M) That's Water-Resistant. It Can Be Controlled Using Device Buttons, The Meross App, Or By Voice. The Backlit LCD Display Shows Target And Actual Temperatures And Is Easy To Read In Low Light.

Measure Electricity Usage: Monitor Energy Consumption And Temperature History Via The Meross App. This Feature Can Help Estimate Electricity Bills (for Reference Only). Within The Meross App, You Can Download Your Device's Historical Data At No Charge.

7x12 Smart Schedule: Up To 12 Daily Temperature Schedules Let You Customise Your Home's Heating And Cooling Throughout The Week. Even If The Wi-Fi Connection Drops, The Unit Will Still Follow The Schedule. (Additional Schedules Can Be Set Via Home, Alexa, Google, SmartThings Apps).

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#TOP 2

ENGO E20i Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control

ENGO

E20i

White

ENGO E20i Wireless Smart Thermostat 7 Day Programmable Wifi Smart Heating Controller Alexa Google ENGO Smart App Boiler Control (White)

9.7

FTB Score

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Features

Wireless Thermostat: The ENGO E20i Battery Powered Thermostat Connects Wirelessly To The Receiver And Can Be Wall Mounted Anywhere Away From A Heat Source Or Direct Sunlight

Smart Thermostat: Control Your Home's Heating From Anywhere Using The ENGO Smart App Or Voice Commands With Amazon Alexa And Google Assistant

WiFi Thermostat: Reliable 2.4 GHz WiFi Connection Built Into The Receiver, Eliminating The Need For An Additional Gateway Hub

Stylish And Discreet: Available In Black Or White, The Compact Design Fits Into Any Home Without Being Obtrusive

Smart Heating Controller: Set Schedules And Manage Energy Use For Optimal Efficiency, Helping You Save On Heating Costs

Multiple Control Options: The E20i Receiver Can Be Wired Directly To A Boiler, Zone Valve Or Wiring Centre Making It Suitable For Gas And Oil Boilers As Well As Heat Pumps. The Smart Heating Controller Is Suitable For Radiators And/or Underfloor Heating. Being Wireless Makes The E20i A Great Option For Retrofit UFH And Allowing All Zones To Be Controlled By One App Or Amazon Alexa

Alexa Thermostat: Seamlessly Integrates With Amazon Alexa And Google Assistant For Voice-Activated Control

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#TOP 3

Optimum WiFi + RF Digital Programmable Room Thermostat Wireless

Optimum

OP-WFSTAT

White

One Size

Optimum WiFi + RF Digital Programmable Room Thermostat Wireless - IOS & Android Apps Also works with Amazon Echo & Google Assistant

9.5

FTB Score

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Features

PROGRAMME CAPACITY - 6 X USER ADJUSTABLE TEMPERATURE PERIODS

iOS / ANDROID SMART PHONE APP

OPEN THERM OUTPUT And VOLT-FREE SWITCHING SUITABLE FOR COMBINATION BOILERS

EQUIPPED FOR WALL MOUNTING OR TABLE-TOP USE

CLASS VI CONTROL, 4% SYSTEM EFFICIENCY CONTRIBUTION

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#TOP 4 Best Thermostat for Underfloor Heating

KETOTEK Smart Thermostat WiFi for Electric Underfloor Heating 16A

KETOTEK

KTF0155A

White

KETOTEK Smart Thermostat WiFi for Electric Underfloor Heating 16A Cover

KETOTEK Smart Thermostat WiFi for Electric Underfloor Heating 16A Compatible with Alexa, Programmable Underfloor Heating Thermostats Controller with NTC Probe Sensor

9.5

FTB Score

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Features

[App Control] This Smart Underfloor Heating Thermostat Simply Connects To WiFi To Control Temperature And Settings From Your Smart Phone Via Smart Life/Tuya App. You Can Monitor Your Thermostats, Adjust Temperatures, Create Schedules And Use A Variety Of Options In The App From Anywhere, Anytime. Want To Control And Programme Multiple Thermostats At The Same Time? Just Create Groups In The App.

[WiFi Thermostat For Electric Underfloor Heating] Flush Mounted, Easy To Install. This KTF0155A Is A WiFi Enabled Thermostat For Electric Underfloor Heating. The WiFi Connectivity Provides Quick And Easy Access To The KETOTEK Thermostat From Your Smartphone, As Well As Compatibility With Alexa Or Google Assistant For Voice Control. Power Supply: AC 90-240V 50/60Hz, Output: Max 16A. N And L Wires Are Required To Power The Thermostat.

[Voice Control] This WiFi Thermostat For Underfloor Heating Is Compatible With Alexa And Google Assistant. Connecting To Alexa Is As Easy As Setting Up Any Other Alexa Skill. Once Connected To Alexa, You Can Control Your Home Temperature By Voice, You Can Tell Alexa To Change The Temperature Without Getting Out From Under The Covers, Especially In The Winter.

[More Functions] This KETOTEK WiFi Underfloor Heating Thermostat Can Be Configured To Detect A Rapid Drop In Room Temperature (such As When A Window Is Open) And Automatically Pause The Heating To Prevent Energy Wastage. If You Don't Want Others To Change Temperatures Or Settings Through The Wall Display, You Can Lock The Thermostat. More Functions: Temperature Calibration, Reset, Power-Off Data Saving Function, Etc.

[Create Schedules] Choose Program Mode, Manual Mode Or Holiday Mode To Optimize Your Heating To Fit Your Lifestyle. The Program Mode Features A Choice Of Schedule Settings, Including 5-2 Days, 6-1 Days And 7-0 Days Scheduling With 6 Time Periods And Temperature Settings Per Day. Heat Your Home To The Right Temperature Only With The Heating Schedule To Save Energy And Costs On Your Energy Bill.

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#TOP 5 Best Salus Thermostat

Salus IT500 INTERNET CONTROLLED THERMOSTAT

Salus

IT500

Black, White

Salus IT500 INTERNET CONTROLLED THERMOSTAT

9.3

FTB Score

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Features

Compatible With Your Smartphone Or PC.

Internet Enabled Thermostat

Wall Or Surface Mount Thermostat.

Touch Screen Display On Thermostat.

System Is Wireless So It's Easy To Install

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#TOP 6

MOES Smart WiFi Thermostat Water/Gas Boilers Heating, Schedule and Remote Control

MOES

MOES Smart WiFi Thermostat Water/Gas Boilers Heating, Schedule and Remote Control, Hub-Free, Compatible with Amazon Alexa, Neutral Line Required, Mechanical Button

9.1

FTB Score

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Features

Intelligent Energy Savings - One-Touch Energy-Saving Mode Optimizes Operations, Maximizing Efficiency And Minimizing Waste. Customize 7-Day/24-Hour Smart Scheduling For Automatic Temperature Curve Maintenance, Eliminating The Need For Constant Adjustments

Voice Control + Remote Mastery - Seamlessly Integrated With Alexa And Google, Enjoy Effortless Voice Commands. Adjust Temperatures From Anywhere Through The App, Ensuring A Comfortable Home Upon Your Return

Temperature Compensation, Precision Control - Unique Temperature Compensation Algorithm Continuously Monitors Average Room Temperature, Dynamically Adjusting Heating Intensity For Unparalleled Precision And Preventing Energy Waste

Manual Temperature Compensation, Precision Control - This Thermostat Features A Manual Temperature Compensation Function, Allowing You To Adjust The Displayed Sensor Temperature Based On The Actual Indoor Temperature. It Empowers You To Maintain Optimal Room Temperatures, Preventing Energy Waste

Child Lock Protection, Peace Of Mind - Child Lock Feature Prevents Accidental Temperature Fluctuations, Safeguarding Your Family's Well-Being Without Compromise

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#TOP 7

Beok Tuya Programmable Smart Thermostat

BEOK CONTROLS

TGW60B-WIFI-WPB

Black

Beok Tuya Programmable Smart Thermostat Cover

Beok Tuya Programmable Smart Thermostat ，WiFi Thermostat Mounted on the Wall of the Caldera, LCD Touch Screen,TGW60B-WIFI-WPB Black

9.0

FTB Score

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Features

[Multi-Function] : WIFI Function, Manual Mode, Power Off Memory Function, Antifreeze Function, Temperature Compensation Function, Child Lock, Start Temperature Difference, Restore Factory Settings.

[Intelligent Programming] : Let You Pre-Define Your Heating Time Period And Heating Temperature According To Your Own Work And Rest Habits In Regular Work And Life. In The Automatic Working State, The Equipment Runs The Preset Heating Temperature In The Preset Time Period, So As To Achieve Intelligent And Energy-Saving Operation.

[What You Get] : Wall-Hung Boiler Thermostat (maximum Support 3A Current, AC100-240V Voltage); Detailed Paper Manual (please Read It Carefully Before Use And Installation); 2 Installing Screws

[WIFI Function] : Through The Mobile Phone Tuya APP To Realize Remote Control Of The Thermostat, To Achieve The Thermostat Switch, Temperature Setting, Time Setting And Advanced Settings, Etc., So As To Realize Intelligence And Make Your Life More Convenient.

[LCD Touch Screen] : LCD Touch Screen Display, Available In Black And White 2 Colors.

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#TOP 8 Best Remote Control Thermostat

Smart Thermostat for Combi Boiler/Water Underfloor Heating

Refoss

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 No Hub Required - White - Pack of 1- 240 V

8.8

FTB Score

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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. Note: Smart Thermostats Only Work With Two-Wire 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.

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#TOP 9

Lowenergie Smart Wifi Programmable Thermostat Underfloor Electric Heating 16A Sensor Cable

LOWENERGIE

1735

White

Lowenergie Smart Wifi Programmable Thermostat Underfloor Electric Heating 16A Sensor Cable

8.6

FTB Score

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Features

Manual Mode, Auto Mode, Economy Mode. Heat/Cool In Option

LCD With White Backlight. 7 Days; 4 Periods Per Day Programmable, (Only From ‘Smart Life' APP)

WIFI Connectability

Frost Protection. Child Lock

Adjustable Switching Differential. Open Window Detection

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#TOP 10

Salus RT510BC+ Wireless Thermostat

Salus

RT510BC

White

RT510BC

Salus RT510BC+ Wireless Thermostat, White

8.4

FTB Score

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Features

Wireless

Digital

Thermostat

Programmable

Frequency 868 MHz With 30 Meter Range

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Frequently Asked Questions (FAQs)

1. Is there such a thing as a wireless thermostat?

A wireless thermostat connects to the internet in your home so you can control it remotely using an app on your smartphone, computer, tablet or other smart device. The app allows you to remotely control the thermostat and the thermostat settings.

2. What is the difference between a smart thermostat and a WiFi thermostat?

A smart thermostat, just like a Wi-Fi thermostat, can be controlled by a connected device, such as your cell phone, via an app. Wi-Fi thermostats, however, don't have the ability to learn from your usage. ... A smart thermostat can be programmed to automatically change the temperature in your home at a certain time.

3. Do WiFi thermostats work without WiFi?

Yes, the thermostat will continue to operate your heating and/or cooling system even when your Wi-Fi network is down.

4. What is a WiFi enabled thermostat?

WiFi-enabled smart thermostats are the hottest home technology on the market today. A WiFi thermostat is connected to the internet and can automatically regulate indoor temperatures. ... WiFi thermostats are connected to the internet through an Internet protocol (IP) network.

Editor's Notes

During our built-in wifi thermostat research, we found 64 built-in wifi thermostat products and shortlisted 10 quality products. We collected and analyzed 16,675 customer reviews through our big data system to write the built-in wifi thermostats list. We found that most customers choose built-in wifi thermostats with an average price of £48.20.

The built-in wifi thermostats are available for purchase. We have researched hundreds of brands and picked the top brands of built-in wifi thermostats, including meross, ENGO, Optimum, KETOTEK, Salus.

Written by

Corey Phillips

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.