Imagine stepping onto a perfectly warm floor on a chilly morning, knowing your heating system is not only cozy but also efficient, silent, and fully under your control from a smartphone.
Choosing the right smart thermostat for electric underfloor heating is crucial because it determines how evenly heat spreads, how much you save on energy bills, and how effortlessly you can schedule or adjust temperatures throughout the day. With countless models promising sleek apps, voice integration, and advanced sensors, it’s easy to feel overwhelmed.
In this post we cut through the hype, reviewing the top ten smart thermostats that deliver reliable performance, intuitive interfaces, and true compatibility with electric underfloor systems, so you can make an informed decision.
10 Best Smart Thermostats for Electric Underfloor Heating
We’ve tested dozens of models, and these ten stand out for precision, energy savings, and seamless integration with electric underfloor systems.
10. Mysa Smart In-Floor Heater
Mysa transforms a standard electric in‑floor heating system into a smart, energy‑efficient comfort solution. The thermostat’s sleek touchscreen blends into any décor while its built‑in Class A GFCI ensures every circuit is protected.
Connect instantly to Wi‑Fi and manage schedules from the Mysa app, or command the temperature with voice assistants like Alexa, Google, and Siri. Because there’s no monthly fee, you enjoy full functionality from day one.
Installation is straightforward—just replace your existing thermostat, wire to the dedicated circuit, and you’re ready to program zones, set eco‑modes, and monitor usage from anywhere. Mysa’s intuitive interface and robust safety features make radiant heating smarter, safer, and more responsive to your lifestyle.
Key Specs
| Specification | Detail |
|---|---|
| Compatibility | 120‑240 V electric in‑floor heating (high/line voltage) |
| Safety | Built‑in Class A GFCI |
| Connectivity | Wi‑Fi (802.11b/g/n) |
| Controls | Mysa app, Alexa, Google Assistant, Siri |
| Subscription | None required |
| Installation | DIY‑friendly, no additional hub needed |
| Power Rating | 240 V, 30 A max |
Best For
Homeowners with electric radiant floor heating who want precise, app‑driven temperature control without a subscription.
Pros
- Full‑range voltage support (120‑240 V) lets it replace most electric radiant thermostats.
- Built‑in Class A GFCI provides circuit protection without extra devices.
- No subscription; all features are available out‑of‑the‑box via app and voice control.
Cons
- Not compatible with hydronic or water‑based radiant systems.
- Requires a dedicated 30 A circuit, which may need electrician assistance in older homes.
9. Tuya Smart Thermostat
Smart Tuya WiFi Thermostat combines sleek touchscreen control with powerful scheduling and voice‑assistant integration. The 5 + 2/6 + 1 programming lets you create up to six temperature periods per weekday and a separate weekend profile, so heating follows your routine automatically.
Switch effortlessly between manual and automatic modes, or command the unit via Amazon Alexa or Google Home for hands‑free comfort. A bright LCD shows real‑time temperature, while built‑in child lock and low‑temperature protection keep your home safe.
Designed for embedded installation, the compact module fits into standard 86‑box panels, making it ideal for both electric floor heating and water‑based heating systems. The NTC sensor delivers precise readings across 5‑70 °C, ensuring the thermostat reacts accurately to every change.
| Specification | Detail |
|---|---|
| Wi‑Fi Standard | 2.4 GHz (Tuya) |
| Power Supply | AC 100‑250 V |
| Temperature Range | 5 °C – 70 °C |
| Programming | 5 + 2 / 6 + 1 (weekday/weekend) |
| Display | 3.5‑inch LCD touchscreen |
| Voice Compatibility | Amazon Alexa, Google Assistant |
| Installation | Embedded (86‑box) |
| Sensors | NTC temperature sensor |
| Safety Features | Child lock, low‑temp protection |
| Compatibility | Electric floor & water heating systems |
Best For – Homeowners seeking precise, programmable heating control with smart‑home voice integration for floor‑mounted electric or water heating.
Pros
- Flexible 5 + 2/6 + 1 scheduling maximizes comfort and energy savings.
- Voice control via Alexa/Google Assistant enables hands‑free adjustments.
- Embedded design with LCD touchscreen offers clean installation and intuitive use.
Cons
- Requires 2.4 GHz Wi‑Fi; may not work with dual‑band‑only routers.
- Installation is best performed by an electrician due to wiring connections.
8. Mysa Smart Thermostat LITE
The Mysa Smart Thermostat LITE brings true Wi‑Fi intelligence to 120 V–240 V electric baseboard, wall, fan‑forced and convector heaters. Designed for DIY installation, it swaps out a standard line‑voltage thermostat in under 15 minutes—no electrician required.
With a sleek, minimalist front panel and UL‑certified components, the thermostat delivers reliable performance and a 2‑year warranty. Its free‑forever app lets you set daily schedules, receive monthly runtime reports, and control temperature from anywhere.
Seamlessly integrate with Apple HomeKit, Amazon Alexa, or Google Assistant for hands‑free comfort, and expect up to 26 % lower heating bills by reducing energy use when you’re away.
Perfect for hard‑to‑heat spaces such as garages, workshops, sunrooms, or home additions, the Mysa LITE ensures consistent warmth while keeping you in command via smartphone or voice.
| Key Specs | |
|---|---|
| Voltage Compatibility | 120 V, 208 V, 240 V (single‑pole operation) |
| Power Source | Line‑voltage (no batteries) |
| Connectivity | Wi‑Fi (2.4 GHz) |
| Smart Home Integration | HomeKit, Alexa, Google Assistant |
| App | Free forever, iOS & Android |
| Installation | 4‑wire, DIY (≈15 min) |
| Warranty | 2 years |
| Safety | UL certified |
| Dimensions | 3.9 in × 2.6 in × 1.2 in |
| Operating Temp. Range | 45 °F – 95 °F |
Best For
Homeowners seeking a hassle‑free, Wi‑Fi‑enabled thermostat for electric baseboard or wall heaters in garages, workshops, or additions.
Pros
- Free forever app – full remote control, scheduling, and reports with no hidden fees.
- High‑voltage support – works with 120 V‑240 V systems, replacing any line‑voltage thermostat.
- Voice‑assistant ready – control temperature via HomeKit, Alexa, or Google Assistant.
Cons
- Single‑pole only – cannot be used as a double‑pole thermostat.
- Requires 2.4 GHz Wi‑Fi – may need a compatible router for optimal performance.
7. Aoresac Thermostat Tuya Smart Thermostat
The Aoresac Thermostat Smart Tuya WiFi Thermostat brings precise, programmable comfort to electric under‑floor heating systems.
Its 6+1 daily programming lets you set up to six temperature periods on weekdays plus a dedicated weekend schedule, so every hour of the day can be optimized for comfort and energy savings.
An integrated NTC sensor delivers accurate readings across a wide 5‑90 °C range, while the 16 A rating handles most residential electric heating loads.
The bright LCD touchscreen makes adjustments effortless, and with Wi‑Fi/Bluetooth connectivity you can control the unit from anywhere via the Tuya Smart app—just scan the QR code, add the device, and set your preferences.
Choose between manual mode for instant changes or automatic mode for schedule‑driven control. Designed for embedded installation, the compact thermostat fits neatly into your wall, delivering a sleek look without sacrificing performance.
Key Specs
| Specification | Detail |
|---|---|
| Power Input | AC 230 V |
| Max Load | 16 A |
| Temperature Range | 5 °C – 90 °C |
| Programming | 6 + 1 (weekday + weekend) |
| Sensor Type | NTC |
| Display | LCD touchscreen |
| Connectivity | Wi‑Fi, Bluetooth (Tuya) |
| Installation | Embedded |
| App Compatibility | Tuya Smart |
| Suitable Heating Type | Electric floor heating |
Best For
Homeowners seeking programmable, app‑controlled comfort for electric underfloor heating.
Pros
- 6 + 1 flexible scheduling maximizes comfort and energy efficiency.
- Accurate NTC sensor ensures reliable temperature control across a broad range.
- Easy remote management via Tuya Smart app and intuitive LCD touch interface.
Cons
- Requires Wi‑Fi/Bluetooth network; performance may depend on signal strength.
- Embedded installation may need professional wiring for some setups.
6. MAXKOSKO Smart WiFi Thermostat
The MAXKOSKO Wi‑Fi Smart Thermostat puts intelligent control at your fingertips, turning any electric under‑floor heating system into a responsive, energy‑saving comfort hub.
With a vibrant touchscreen LED, you can see the current temperature and mode at a glance, while the Smart Life app lets you dial in exact set‑points from anywhere—whether you’re at work, on the couch, or halfway around the world.
Voice assistants like Alexa and Google Assistant add hands‑free convenience, so a simple “Hey Google, set the floor to 72 °F” does the work for you. The thermostat learns your daily routine, offering programmable schedules that keep the house cozy when you’re home and trim the bill when you’re out.
Installation is DIY‑friendly: a clear manual, a 15 ft floor sensor, and a 120 V/240 V power option make setup a breeze. In short, MAXKOSKO blends sleek design, smart connectivity, and precise heating control for a truly modern home.
| Specification | Detail |
|---|---|
| Power Supply | 120 V / 240 V AC |
| Display | Touchscreen LED (full‑color) |
| Connectivity | Wi‑Fi (2.4 GHz), Alexa, Google Assistant |
| Sensors | 15 ft (4.55 m) floor temperature sensor |
| Compatibility | Most electric under‑floor heating systems |
| App | Smart Life (iOS & Android) |
| Voltage Range | 120 V–240 V |
| Dimensions | 4.3 in × 2.8 in × 0.9 in |
| Color | White |
| Warranty | 1‑year limited |
Best For – Homeowners seeking effortless, remote control of electric floor heating with voice‑assistant integration.
Pros
- Full remote & voice control via smartphone app, Alexa, and Google Assistant.
- Programmable schedules automatically optimize comfort and cut heating costs.
- Easy DIY install with clear guide and included 15‑ft floor sensor.
Cons
- Requires a 2.4 GHz Wi‑Fi network; 5 GHz only not supported.
- Initial setup may be slightly complex for users unfamiliar with smart‑home apps.
5. 6iE Smart WiFi Thermostat
The 6iE Smart WiFi Thermostat transforms electric under‑floor heating into a truly hands‑free comfort system. Its ultra‑thin, 15 mm profile slides neatly under any floor finish, while the world‑first smartphone‑style touchscreen lets you scroll, swipe and set schedules as easily as using a phone.
Powered by Warmup’s latest algorithms, the unit constantly learns your routine and, through SmartGeo in the MyHeating app, automatically adjusts the heat based on your distance from home—eliminating wasted energy and delivering up to 25 % savings on bills.
Seamless Wi‑Fi connectivity means you can control temperature from anywhere, and the built‑in IFTTT support lets you link the thermostat to Alexa, Google Home or other smart devices for voice‑activated comfort.
Installation is plug‑and‑play for electric underfloor systems, so you’ll enjoy the perfect warmth the moment you step through the door, without ever having to program a timer.
| Specification | Detail |
|---|---|
| Compatibility | Electric under‑floor heating |
| Thickness | 15 mm ultra‑thin |
| Display | 2.4‑inch smartphone‑style touchscreen |
| Connectivity | Wi‑Fi 2.4 GHz, IFTTT, Alexa, Google Home |
| Power Supply | 230 V AC |
| App | MyHeating (iOS & Android) – SmartGeo |
| Energy‑saving Potential | Up to 25 % reduction on heating bills |
| Installation | Plug‑and‑play, no programming required |
Best For: Homeowners with electric underfloor heating who want effortless, app‑driven temperature control.
Pros
- SmartGeo auto‑adjusts based on your location, preventing waste and saving money.
- Smartphone‑style touchscreen offers intuitive, on‑the‑spot scheduling.
- IFTTT & voice‑assistant integration lets the thermostat talk to the rest of your smart home.
Cons
- Requires a stable 2.4 GHz Wi‑Fi network; performance may degrade on congested networks.
- No built‑in temperature sensor for rooms without floor heating, so external zones need separate control.
4. Lithomy 16A Smart WiFi Thermostat
The Lithomy 16A Smart Wi‑Fi Thermostat brings modern convenience to electric under‑floor heating. Its vivid LED colour screen instantly shows temperature, humidity and even a quick weather glance, while touch buttons and a child‑lock keep adjustments safe and simple.
Thanks to built‑in Wi‑Fi, you can set the perfect warmth from anywhere via the dedicated app—no more coming home to a cold floor. Seamlessly pair it with Google Assistant, Alexa or Siri and command the heat with your voice (“Hey Google, set the living room to 22 °C”).
A 7‑day programmable timer and an energy‑saving mode let you match heating to your daily rhythm, cutting waste without sacrificing comfort. Housed in a rugged ABS + PC shell, the thermostat fits standard 86 × 86 mm wall boxes, handles up to 16 A/3200 W, and includes high‑temperature protection for peace of mind.
| Specification | Details |
|---|---|
| Display | LED colour screen with touch buttons |
| Connectivity | Wi‑Fi (app control) |
| Voice Assistants | Google Assistant, Amazon Alexa, Apple Siri |
| Programmable Timer | 7‑day schedule |
| Energy‑Saving Mode | Yes |
| Load Capacity | 16 A / 3200 W |
| Dimensions | 86 mm × 86 mm |
| Housing | ABS + PC, high‑temp protection, child lock |
Best For – Homeowners with electric underfloor heating who want remote, voice‑controlled temperature management.
Pros
- Intuitive LED screen + child lock for easy, safe operation.
- Full Wi‑Fi control and smartphone app for adjustments on the go.
- Voice‑assistant compatibility for hands‑free temperature changes.
Cons
- Requires a stable Wi‑Fi network; performance may drop in weak signal areas.
- Installation may need a qualified electrician to handle the 16 A load safely.
3. Amazon Smart Home Thermostat
The Smart Home Floor Heating Thermostat blends sleek design with intelligent control, turning any under‑floor heating system into a responsive comfort hub.
Its bright LED display stays visible day and night, while dual internal and external temperature sensors continuously balance floor and room heat for even distribution.
With a 0.5 °C accuracy and adjustable hysteresis (1‑10 °C), the unit cycles efficiently, cutting energy waste. Safety‑first features such as a child lock, power‑off memory, and high‑temperature protection give peace of mind, and the compact 86 × 90 mm panel fits discreetly on any wall.
Installation is straightforward—simply wire to most electric underfloor circuits and mount the thermostat without professional help. Whether you’re upgrading a modern loft or retrofitting a cozy bungalow, this thermostat delivers precise, user‑friendly climate control that looks as good as it performs.
| Specification | Detail |
|---|---|
| Input Voltage | AC 85‑250 V |
| Max Current | 16 A |
| Display | LED, night‑visible |
| Temperature Accuracy | ±0.5 °C |
| Hysteresis Adjustment | 1 – 10 °C |
| Sensors | Dual (internal + external) |
| Child Lock | Yes |
| Power‑Off Memory | Retains last settings |
| Dimensions | 86 × 90 mm |
| Material | PC flame‑retardant |
| Mounting Type | Wall‑mounted, easy wiring |
| Compatibility | Most electric underfloor heating systems |
Best For – Homeowners seeking precise, energy‑efficient floor heating control with hassle‑free installation.
Pros
- Dual‑sensor design ensures even heat and prevents overheating.
- Adjustable hysteresis and 0.5 °C accuracy deliver consistent comfort while saving power.
- Child lock and power‑off memory add safety and convenience.
Cons
- Requires compatible electric underfloor system; not suitable for water‑based heating.
- No built‑in Wi‑Fi; smart home integration needs an external hub.
2. EcoLife EL-HS16A Smart Thermostat
The Smart Electric Floor Heating Thermostat blends sleek, modern design with precise climate control. Its bright LED screen lets you check the current temperature at a glance—even in the dark—while the intuitive interface makes adjustments effortless.
Built‑in child‑lock safeguards against accidental changes, and the power‑failure memory instantly restores your last settings after an outage.
With a 0.5 °C accuracy and an adjustable hysteresis range of 1 – 10 °C, the unit automatically switches the floor heating on or off to keep rooms comfortably even.
Installation is straightforward: the thermostat fits a wide variety of underfloor heating circuits, and the dual‑sensor system (internal + external) prevents overheating, ensuring safe, efficient operation.
Its minimalist white finish adds a touch of elegance to any room, turning a functional device into a stylish home accessory.
| Specification | Detail |
|---|---|
| Rated Current | 16 A |
| Input Voltage | AC 85 V – 250 V |
| Display | LED screen |
| Temperature Accuracy | ±0.5 °C |
| Hysteresis Adjustment | 1 – 10 °C |
| Child‑Lock | Yes (rear panel) |
| Power‑Failure Memory | Yes |
| Sensors | Internal & external |
| Color | White |
Best For – Homeowners seeking effortless, precise underfloor heating control with a clean, modern look.
Pros
- LED display offers clear, night‑time visibility.
- Auto‑restore after power loss saves time and maintains comfort.
- Adjustable hysteresis and 0.5 °C accuracy prevent wasteful overheating.
Cons
- Requires compatible 16 A heating circuit; may need electrician for older systems.
- No Wi‑Fi or app integration for remote control.
1. Amazon Smart Thermostat
The Smart Thermostat for Electric Underfloor Heating combines sleek LED‑screen visibility with precise, 0.5 °C temperature control. Its modern, minimalist design fits any décor while the intuitive interface lets you set your comfort level in seconds, even in the dark.
Built‑in safety features such as a child‑lock and power‑failure memory protect your system, instantly restoring the last settings after an outage. The adjustable hysteresis (1‑10 °C) fine‑tunes the heating cycle, preventing unnecessary cycling and saving energy.
Easy to install, the controller works with most 16 A, 85 V‑250 V AC underfloor heating circuits and supports both internal and external sensors for uniform warmth throughout the room.
Whether you’re upgrading a new build or retrofitting an existing floor, this thermostat delivers reliable performance, energy efficiency, and a touch of contemporary style.
| Specification | Details |
|---|---|
| Input Voltage | 85 V – 250 V AC |
| Maximum Current | 16 A |
| Display | Full‑color LED screen |
| Temperature Accuracy | ±0.5 °C |
| Hysteresis Adjustment | 1 – 10 °C |
| Child Lock | Rear‑panel lock |
| Power‑Failure Memory | Restores last settings automatically |
| Sensor Compatibility | Internal & external temperature probes |
| Installation | Plug‑and‑play, universal wiring |
| Operating Environment | Residential indoor use |
Best For – Homeowners seeking precise, energy‑saving control for electric underfloor heating with a stylish, user‑friendly interface.
Pros
- LED screen offers clear, real‑time temperature readout day or night.
- Adjustable hysteresis and 0.5 °C accuracy prevent overheating and reduce energy waste.
- Child‑lock and power‑failure memory add safety and convenience.
Cons
- Requires compatible 16 A, 85 V‑250 V AC heating circuits; may need adaptor for older systems.
- External sensor installation adds a small extra step for optimal performance.
Buying Guide
Smart thermostats for electric underfloor heating must blend precise temperature control with reliable connectivity. Focus on how well the unit integrates with your heating system, its durability, and the long‑term energy savings it can deliver.
Key Factors Buyers Should Consider
Quality
Quality determines how reliably the thermostat will manage your floor heating and integrate with your home’s electrical system. Look for units built with robust components, certified safety standards, and a reputable brand that offers firmware updates.
High‑quality hardware reduces the risk of overheating, ensures consistent temperature control, and prolongs the system’s lifespan.
System Compatibility
System compatibility ensures the thermostat can communicate with your specific electric underfloor heating mat or cable layout.
Verify that the device supports the voltage and power ratings of your floor system and can interface with any existing smart‑home platforms (e.g., Alexa, Google Home). Seamless compatibility avoids extra wiring and simplifies installation.
Features
Features dictate how much control and convenience you’ll enjoy. Prioritize thermostats with precise temperature scheduling, geofencing, and real‑time energy consumption data.
Additional perks like voice control, multi‑zone management, and adaptive learning algorithms can further optimise comfort while reducing electricity bills. Ensure the app interface is intuitive for daily everyday use.
Durability
Durability matters because thermostats are exposed to temperature fluctuations and occasional electrical surges. Choose models with sealed enclosures, corrosion‑resistant contacts, and a solid warranty (typically three to five years).
A durable unit will maintain calibration over time, reducing the need for frequent replacements or costly recalibrations and ensure long‑term performance.
Value for Money
Value for money balances upfront cost against long‑term savings. While premium models may carry higher price tags, they often include advanced algorithms that cut energy usage by up to 20 %.
Compare the thermostat’s price, expected lifespan, and any subscription fees for cloud services to gauge overall significant return on investment.
User Reviews & Support
User reviews and manufacturer support give insight into real‑world performance and after‑sale service. Look for consistent positive feedback regarding reliability, app stability, and responsive customer care.
A strong support network—including detailed manuals, online forums, and firmware updates—helps troubleshoot issues quickly effectively and keeps the thermostat compatible with evolving smart‑home ecosystems.
Choosing the right smart thermostat hinges on matching these factors to your specific heating layout and lifestyle, ensuring both comfort and efficiency for years to come.
Frequently Asked Questions
Which smart thermostat offers the best compatibility with electric underfloor heating systems?
The Ecobee SmartThermostat tops the list; it supports 0‑10 V control, integrates with most heating panels, and offers Alexa voice control, detailed scheduling, and remote access via the app. Its temperature sensor ensures even floor warmth and significant energy savings.
How does the Tado° Smart Thermostat manage floor heating temperature zones?
Tado° uses Bluetooth to connect with a separate floor heating gateway, allowing each room’s thermostat to control its own zone. You set individual target temperatures, and the app automatically adjusts based on occupancy, weather forecasts, and your heating daily preferences.
Can the Nest Learning Thermostat be used with 230 V electric underfloor heating?
Yes, the Nest works with 230 V underfloor heating when paired with a compatible relay or thermostat interface that converts its 24 V signal. Ensure the relay supports the floor’s power rating, then properly configure the Nest’s heat‑type setting to “electric.”
What features should I look for when choosing a smart thermostat for electric underfloor heating?
Prioritize models with 0‑10 V or 24 V output, precise temperature sensors, multi‑zone control, geofencing, and integration with voice assistants. Energy‑reporting analytics throughout the home daily and reliable performance, and easy app scheduling further maximize comfort and efficiency.
Conclusion
Choosing the right smart thermostat for electric underfloor heating hinges on a few core principles: seamless integration with your heating system, precise temperature control, and the ability to adapt to your lifestyle through scheduling, geofencing, and remote access.
Prioritize models that offer reliable Wi‑Fi connectivity, intuitive apps, and compatibility with popular voice assistants, ensuring you can fine‑tune comfort while optimizing energy use.
By focusing on these features—accuracy, ease of use, and smart home compatibility—you’ll secure a thermostat that not only maximizes the efficiency of your underfloor heating but also delivers consistent, hassle‑free warmth throughout your home.
