Choosing the right smart thermostat for your floor‑heating system can feel like a hidden key to comfort, energy savings, and hassle‑free living.
A well‑tuned thermostat not only keeps every room at the perfect temperature but also learns your habits, trims utility bills, and integrates seamlessly with voice assistants or home‑automation hubs.
With so many models on the market—each promising different features, app experiences, and price points—pinpointing the ideal match can be overwhelming.
In this post we cut through the noise, reviewing the top 10 best smart thermostats for floor heating, highlighting their standout capabilities, pros, and cons. By the end, you’ll have a clear roadmap to the thermostat that fits your home and lifestyle.
10 Must-Have Smart Thermostats for Floor Heating
Explore our carefully researched selection to find the perfect thermostat that maximizes comfort, efficiency, and control for your radiant floor system.
10. Schluter Ditra-Heat-E-RS1 Floor Warming System
The Schluter Ditra‑Heat‑E‑RS1 Smart Thermostat brings sleek, mirror‑finish design and intelligent control to any radiant‑floor project.
It talks to your favorite voice assistants, the dedicated Schluter app, and the Control4 home‑automation platform, letting you set schedules, monitor usage, and adjust temperature from anywhere.
Engineered for DITRA‑HEAT‑E‑HK cables (120 V/240 V), it can handle multiple cables up to a 15 A load, making it perfect for both cozy bathrooms and sprawling living‑area installations.
A built‑in Class A GFCI with clear indicator adds an extra layer of safety, while optional power modules (RRS or RR) let you expand beyond 15 A without sacrificing a single‑point control.
Backed by a 3‑year limited warranty when installed per Schluter’s guidelines, this thermostat delivers reliable comfort and energy efficiency for modern smart homes.
| Spec | Detail |
|---|---|
| Model | DHERT105/BW |
| Voltage | 120 V / 240 V |
| Max Load | 15 A (expandable with RRS/RR modules) |
| Compatibility | DITRA‑HEAT‑E‑HK heating cables |
| Safety | Integrated Class A GFCI with indicator |
| Integration | Control4, Alexa, Google Assistant, Apple HomeKit, Schluter app |
| Finish | Mirror‑polished housing |
| Warranty | 3‑year limited |
| Expansion | Power modules RRS (RS1) & RR (RT/R) |
| Installation | Follow Schluter Installation Handbook |
Best For – Smart‑home enthusiasts seeking reliable, GFCI‑protected floor heating control with voice and Control4 integration.
Pros
- Seamless integration with major voice assistants and Control4 for unified automation.
- Built‑in Class A GFCI enhances safety without extra hardware.
- Expandable power modules allow large‑area heating while keeping a single control point.
Cons
- Requires compatible DITRA‑HEAT‑E‑HK cables; not universal for all heating systems.
- Expansion modules are sold separately, adding cost for very large installations.
9. SunTouch SunStat ConnectPlus Thermostat
The SunTouch SunStat ConnectPlus is a sleek, 4.3‑inch capacitive touchscreen thermostat designed specifically for electric floor‑heating systems. Its SmartStart technology learns when the heating circuit powers up and pre‑warms the floor so rooms reach the desired temperature exactly when you need them.
With both floor‑temperature and ambient‑air sensors, the unit continuously balances comfort and energy efficiency, while a 7‑day programmable schedule and an “Away” mode let you fine‑tune heating for workdays, weekends, or vacations.
Remote control is effortless via the free Watts Home app on iOS or Android, and voice commands work with Alexa or Google Assistant. The modern, thin profile fits any décor in portrait or landscape mode, and optional outdoor temperature and weather displays keep you informed at a glance.
Backed by SunTouch’s 30‑year legacy in radiant heating, this thermostat delivers reliable performance, easy installation, and world‑class support for residential or commercial projects.
| Key Spec | Detail |
|---|---|
| Screen Size | 4.3 inches capacitive touchscreen |
| Connectivity | Wi‑Fi (802.11b/g/n) + Bluetooth (optional) |
| Voice Assistant Compatibility | Amazon Alexa, Google Assistant |
| Sensors | Floor temperature, ambient air, outdoor temp |
| Programming | 7‑day schedule, “Away” mode, floor‑max limits |
| Remote Access | Watts Home app (iOS & Android) |
| Power Supply | 24 V AC (compatible with most floor‑heat units) |
| Dimensions (HxWxD) | 5.0 in × 3.5 in × 0.8 in (portrait) |
| Certifications | UL listed, CE, RoHS compliant |
Best For: Homeowners or facility managers seeking precise, Wi‑Fi‑enabled control of electric floor heating with voice‑assistant integration.
Pros
- SmartStart automatically pre‑warms floors for on‑time comfort.
- Dual floor‑and‑air sensing optimizes energy use while maintaining desired warmth.
- Full remote control and voice command support via Alexa/Google.
Cons
- Requires a compatible 24 V floor‑heat power source; older systems may need a transformer.
- Advanced features (weather display, email alerts) are only accessible through the mobile app, adding a slight learning curve.
8. Mysa Smart Electric Thermostat
Mysa turns your electric in‑floor heating into a truly smart system. Designed for 120‑240 V high‑line voltage mats, it replaces a standard thermostat and adds Wi‑Fi connectivity, a built‑in Class A GFCI, and full integration with Alexa, Google Assistant, and Siri.
The intuitive app lets you set schedules, create zones, and adjust temperatures from anywhere, while the sleek 7‑inch touchscreen offers local control.
Installation is straightforward—just wire the thermostat to the existing heating circuit, mount it on the wall, and let the app guide you through calibration.
Because Mysa doesn’t require a subscription, you keep all features for free, making it a cost‑effective upgrade for modern homes, condos, or rentals that use electric radiant floors.
Enjoy consistent comfort, energy savings, and the convenience of voice‑activated climate control without the hassle of a complex HVAC system.
| Specification | Detail |
|---|---|
| Voltage Compatibility | 120 V – 240 V |
| Power Rating | Up to 4 kW per zone |
| Connectivity | Wi‑Fi (2.4 GHz) |
| Smart Home Integration | Alexa, Google Assistant, Siri |
| Display | 7‑inch capacitive touchscreen |
| Safety | Built‑in Class A GFCI |
| App Compatibility | iOS, Android |
| Subscription Required? | No |
| Mounting Type | Wall‑mountable |
| Warranty | 3 years limited |
Best For: Homeowners with 120‑240 V electric radiant‑floor systems seeking a plug‑and‑play smart thermostat.
Pros
- Built‑in Class A GFCI eliminates the need for a separate breaker.
- No subscription fees; all features stay free.
- Voice control works with all major assistants.
Cons
- Not compatible with hydronic or water‑based heating.
- Requires a 2.4 GHz Wi‑Fi network; 5 GHz not supported.
7. HEATIT Programmable WiFi Thermostat
The HEATIT Programmable Thermostat brings intelligent comfort to any electric radiant floor system. Through the Warmme app (iOS/Android) you can set temperatures, view real‑time energy usage, and receive detailed reports from anywhere.
Voice assistants Alexa and Google Assistant add hands‑free control, while the 7‑day adaptive‑learning schedule automatically tweaks run times to keep rooms cozy and bills low.
A bright, 3‑inch touchscreen blends into modern décor, and the dual‑sensor design monitors both room air and floor temperature, protecting tiles, wood, and laminate up to 95 °F. Installation is DIY‑friendly: simply connect the included floor sensor, set the voltage (85‑265 V) and you’re ready.
Features like Child Lock, Vacation Mode, and Open‑Window detection add everyday peace of mind, and the unit is backed by a 4‑year limited warranty for lasting reliability.
| Specification | Detail |
|---|---|
| Voltage Range | 85 V – 265 V |
| Max Current | 16 A |
| Floor Temperature Limit | 95 °F (35 °C) |
| Sensors | Dual (Room & Floor) |
| Connectivity | Wi‑Fi, Alexa, Google Assistant |
| Programming | 7‑day adaptive learning |
| Display | 3‑inch touchscreen |
| Warranty | 4‑year limited |
| Color | White |
Best For – Homeowners seeking effortless, energy‑smart control of electric radiant floor heating.
Pros
- Remote and voice control via app and Alexa/Google Assistant
- Adaptive 7‑day schedule reduces energy waste automatically
- Dual sensing protects flooring materials while maintaining comfort
Cons
- Requires Wi‑Fi for full feature set; limited offline functionality
- Installation may be challenging for users unfamiliar with electrical work.
6. Ecosmart EHC16
The Smart Home Floor Heating Thermostat blends sleek design with intelligent control, making under‑floor heating effortless and safe. Its bright LED display stays crystal‑clear day or night, letting you monitor temperature at a glance.
Dual sensors track both ambient air and floor heat, delivering uniform warmth while preventing hot spots. Smart features such as Child Lock, Power‑Off Memory, adjustable hysteresis (1‑10 °C), and 0.5 °C accuracy keep the system efficient and secure.
Installation is a breeze: wall‑mount the compact 86 × 90 mm panel, connect the simple wiring, and it works with most electric underfloor heating circuits.
Built from PC flame‑retardant material, the unit offers high‑temperature protection without compromising a modern aesthetic, so you enjoy consistent comfort and peace of mind in any room.
| Specification | Detail |
|---|---|
| Input Voltage | AC 85‑250 V |
| Max Current | 16 A |
| Display | Bright LED, night‑visible |
| Temperature Accuracy | ±0.5 °C |
| Hysteresis Adjustment | 1‑10 °C |
| Sensors | Internal + external |
| Dimensions (W × H) | 86 mm × 90 mm |
| Material | PC flame‑retardant |
| Power‑Off Memory | Yes |
| Child Lock | Yes |
Best For – Homeowners seeking reliable, easy‑install floor heating control with precise temperature management.
Pros
- Dual‑sensor system ensures even heat distribution and safety.
- Smart functions (Child Lock, Memory, adjustable hysteresis) boost convenience.
- Clear LED display visible day and night.
Cons
- Requires wall‑mounting; not suitable for surface‑mount applications.
- No Wi‑Fi or app integration for remote control.
5. HEATIT Programmable WiFi Smart Thermostat
The HEATIT Programmable Thermostat brings intelligent comfort to any electric radiant floor system. Through the Warmme app (iOS/Android) you can set temperatures, view real‑time energy reports, and create custom schedules from anywhere.
Voice integration with Alexa and Google Assistant adds hands‑free control, while the 7‑day adaptive learning touchscreen automatically fine‑tunes run times for optimal warmth and lower bills.
Designed for universal compatibility, it supports a wide voltage range (120 V‑240 V) and dual sensing of both room and floor temperatures, protecting flooring materials with an 86 °F limit.
The sleek black interface blends with modern décor, and DIY installation is straightforward thanks to the included sensor and clear guide. Features like Child Lock, Vacation Mode, and Open‑Window Detection make daily use effortless, and a 4‑year limited warranty backs the system for lasting peace of mind.
| Specification | Detail |
|---|---|
| Voltage Range | 120 V – 240 V |
| Max Current | 16 A |
| Floor Temp Limit | 86 °F (30 °C) |
| Sensors | Dual (Room & Floor) |
| Connectivity | Wi‑Fi, Alexa, Google Assistant |
| Control Interface | 7‑day programmable touchscreen |
| App Compatibility | Warmme (iOS / Android) |
| Warranty | 4‑year limited |
| Color | Black |
| Dimensions | 4.5 × 4.5 × 1.2 in (approx.) |
Best For: Homeowners with electric radiant floor heating who want smart, voice‑controlled comfort and energy‑saving automation.
Pros
- Remote and voice control via app, Alexa, or Google Assistant.
- Adaptive 7‑day programming learns habits and reduces energy use.
- Wide 120 V‑240 V compatibility and dual room/floor sensing.
Cons
- Floor temperature limit (86 °F) may restrict use on some high‑heat flooring.
- Requires Wi‑Fi; performance depends on network stability.
4. MAXKOSKO 1PC WiFi Smart Thermostat
The MAXKOSKO Wi‑Fi Smart Thermostat brings intelligent comfort to any home with under‑floor heating. Its vibrant touchscreen LED display shows real‑time temperature, while the “Smart Life” app lets you set schedules, adjust settings, and monitor energy use from anywhere.
Voice control through Alexa or Google Assistant adds hands‑free convenience, and the included 15 ft floor sensor ensures precise floor‑temperature feedback. Installation is straightforward—just follow the clear manual, snap the sensor into place, and connect to your Wi‑Fi network.
Once programmed, the thermostat automatically shifts between comfort mode at home and eco‑mode when you’re away, cutting heating bills without sacrificing warmth. Sleek black housing blends seamlessly with any décor, making it a discreet yet powerful hub for modern heating control.
| Specification | Detail |
|---|---|
| Voltage | 120 V / 240 V |
| Connectivity | Wi‑Fi, Alexa, Google Assistant |
| Display | Touchscreen LED |
| Floor Sensor | 15 ft (4.55 m) cable |
| App | Smart Life (iOS/Android) |
| Compatibility | Most electric underfloor heating systems |
| Color | Black |
| Power Source | Mains (no batteries) |
Best For: Homeowners with electric underfloor heating who want remote, voice‑controlled, energy‑saving temperature management.
Pros
- Remote and voice control via smartphone, Alexa, or Google Assistant.
- Programmable schedules maximize comfort and reduce energy costs.
- Easy DIY installation with a long floor sensor and clear guide.
Cons
- Requires a stable Wi‑Fi connection; performance may dip in weak networks.
- No built‑in battery backup; power outage resets settings.
3. SunTouch SunStat CommandPlus Touchscreen Thermostat
The SunTouch SunStat CommandPlus is a sleek, 4.3‑inch capacitive touchscreen thermostat built especially for electric floor‑heating systems. Its SmartStart technology learns when the heating circuit powers up, automatically adjusting the schedule so the floor is comfortably warm exactly when you need it.
The intuitive portrait display shows floor temperature, air temperature, outdoor weather and energy use at a glance, while the 7‑day programmable schedule and “away” mode let you fine‑tune comfort and savings.
Remote control is a breeze through the free Watts Home app for iOS or Android, giving you full access to settings, alerts and energy reports from anywhere.
Designed with a thin, modern profile, the CommandPlus blends into any décor while protecting delicate flooring with max‑temperature limits and offering a warm‑weather shutdown to prevent overheating.
Backed by SunTouch’s 30‑year legacy in radiant heating, it delivers reliable performance for homes, offices, and commercial spaces alike.
| Specification | Details |
|---|---|
| Display | 4.3 in. capacitive digital touchscreen (portrait) |
| Connectivity | Wi‑Fi (compatible with Watts Home app) |
| Control Modes | Floor‑sensor, air‑sensor, outdoor temperature display |
| Programming | 7‑day schedule, “away” mode, floor max temperature protection |
| Energy Monitoring | Real‑time use tracking, email alerts |
| Remote Access | iOS & Android app, full schedule & setting control |
| Weather Integration | Outdoor temperature & weather display, warm‑weather shutdown |
| Compatibility | Electric floor heating and snow‑melt systems |
| Power Supply | 24 V DC (via heating system) |
| Dimensions | Thin, wall‑mountable profile |
Best For – Homeowners and small‑business owners looking for precise, remote‑controlled floor heating with energy‑saving features.
Pros
- SmartStart & floor‑max protection automatically optimizes start‑up and safeguards flooring.
- Full remote access via the Watts Home app lets you adjust temperature and view energy data from anywhere.
- Comprehensive sensing (floor, air, outdoor) and weather integration provide accurate, comfortable heating.
Cons
- Requires a compatible electric floor‑heating system; not suitable for hydronic setups.
- Initial setup may need a technician to configure SmartStart and Wi‑Fi connections.
2. Smartek 3600W Programmable Thermostat
The Programmable Thermostat for radiant under‑floor heating is a robust, dual‑voltage controller (120 V / 240 V) that intelligently manages both floor‑embedded and ambient air temperatures.
Its built‑in Class A GFCI continuously monitors for leakage currents, instantly cutting power to protect occupants and reduce fire risk.
A bright, back‑lit LCD makes set‑points and program status easy to read in any lighting, while the 7‑day programmable schedule lets you fine‑tune comfort and energy use throughout the week.
Installation is straightforward on existing hydronic or electric floor‑mat systems, and the ON/STANDBY switch lets you shut the unit down for the off‑season.
After setting a target temperature higher than the room’s current temperature, you can test the GFCI with a side‑button—ensuring the safety feature is active whenever the relay is engaged. Backed by a 5‑year limited warranty, this thermostat blends safety, flexibility, and convenience for modern homes.
| Specification | Detail |
|---|---|
| Input Voltage | 120 VAC / 240 VAC, 50‑60 Hz |
| Max Current | 15 A |
| Max Power | 1800 W @ 120 V / 3600 W @ 240 V |
| Sensors | Dual (Floor & Air) |
| GFCI | Built‑in Class A, self‑test, toggle switch |
| Display | 7‑segment LCD with backlight |
| Programming | 7‑day programmable schedule |
| Safety Standards | cETL listed, CAN/CSA‑C22.2 No. 144.1 |
| Warranty | 5‑year limited |
| Load Capacity | 15 A |
Best For – Homeowners seeking a safe, programmable controller for existing electric radiant floor heating systems.
Pros
- Dual‑voltage operation (120 V/240 V) covers most residential setups.
- Integrated Class A GFCI with self‑test protects against electric shock and fires.
- 7‑day programmable schedule maximizes comfort while cutting energy costs.
Cons
- GFCI must be manually tested after installation; users unfamiliar with electrical safety may need guidance.
- Maximum power limited to 3600 W, so not suitable for very large floor‑area installations requiring higher output.
1. MAXKOSKO Smart Thermostat for Electric Floor Warming
The MAXKOSKO Wi‑Fi Smart Thermostat puts precise, room‑by‑room comfort at your fingertips. Its crisp touchscreen LED display lets you see the current temperature at a glance, while the Smart Life app lets you raise or lower the floor heating from anywhere—whether you’re on the couch or on the go.
Voice control through Alexa or Google Assistant adds hands‑free convenience, and the built‑in 15 ft (4.55 m) floor sensor continuously monitors the slab for consistent warmth.
With programmable schedules you can set “home,” “away,” and “sleep” modes once and forget them, slashing heating bills without sacrificing comfort.
Installation is DIY‑friendly: a clear manual, simple wiring for 120 V/240 V systems, and a sleek white finish that blends into any décor. Experience the perfect balance of tech‑savvy control and effortless warmth—give MAXKOSKO a try, and we’ll keep your floors cozy all winter long.
Key Specs
| Specification | Detail |
|---|---|
| Voltage | 120 V / 240 V |
| Display | Touchscreen LED |
| Connectivity | Wi‑Fi, Alexa, Google Assistant |
| App | Smart Life |
| Floor Sensor Length | 15 ft (4.55 m) |
| Color | White |
| Compatibility | Most electric underfloor systems |
| Power Source | Hardwired (120 V/240 V) |
| Programming | Custom schedules, modes |
Best For
Homeowners seeking easy, remote‑controlled heating for electric underfloor systems.
Pros
- Remote control & voice activation for ultimate convenience.
- Programmable schedules maximize comfort while cutting energy costs.
- DIY installation with clear guide and included floor sensor.
Cons
- Requires Wi‑Fi; performance may vary with weak network signals.
- No built‑in humidity sensor, so separate monitoring is needed for optimal indoor air quality.
Buying Guide
Floor heating relies on precise temperature control, so a smart thermostat must deliver accurate sensing, reliable connectivity, and easy integration with your home automation ecosystem. Look for models that balance robust build quality with intuitive features to keep your floors warm efficiently and comfortably.
Key Factors Buyers Should Consider
Quality and Build
A thermostat built with high‑grade components, such as a solid‑state sensor and a sturdy housing, will maintain accurate temperature readings over time.
Look for certifications like UL or CE, and ensure the device can handle the continuous load typical of radiant floor systems. Quality construction reduces drift and extends the unit’s lifespan.
Smart Features and Compatibility
Smart features determine how seamlessly the thermostat integrates with your home. Prioritize models that support Wi‑Fi, Bluetooth, or Thread, and that work with popular voice assistants like Alexa, Google Assistant, or Siri.
Advanced scheduling, geofencing, and learning algorithms help keep floor heating efficient while adapting to your daily routine and comfort.
Durability and Warranty
Durability matters because floor‑heating thermostats stay active year‑round. Choose units with a robust waterproof rating (IP65 or higher) and a proven track record in harsh environments.
A clear warranty—ideally three years—covers electronic failures, giving you confidence that the thermostat will survive temperature fluctuations and humidity, ensuring reliable operation.
Value for Money
Value for money isn’t just the sticker price; it’s the total cost of ownership. Compare the upfront cost against features like multi‑zone control, energy‑saving algorithms, and integration with other smart home devices. A thermostat that lowers your heating bill by even a few percent can quickly pay in itself.
User Reviews and Support
User reviews and manufacturer support reveal real‑world performance. Scan forums and retailer sites for feedback on connectivity reliability, app responsiveness, and any firmware issues.
Strong customer service—quick response times, comprehensive online manuals, and regular software updates—ensures you’ll have help when troubleshooting or expanding your smart‑home ecosystem and for future upgrades.
By weighing quality, smart features, durability, cost, and real‑world feedback, you can select a thermostat that maximizes comfort while minimizing energy waste. The right smart thermostat turns your floor heating system into an efficient, hands‑free comfort solution.
Frequently Asked Questions
What features should I look for in a smart thermostat for floor heating?
Prioritize precise temperature control, floor‑compatible sensors, and scheduling. Look for Wi‑Fi connectivity, integration with assistants, and energy‑saving algorithms that account for the slower response of radiant systems. Compatibility with your heating system and easy installation are essential.
Which smart thermostats work best with electric underfloor heating?
The Ecobee SmartThermostat, Nest Learning Thermostat, and Honeywell Home T9 are top choices. They support floor‑heat presets, offer accurate room sensors, and integrate with most smart home platforms. Their apps provide detailed daily usage reports, helping optimize overall energy consumption significantly.
Can I control floor heating remotely with a smart thermostat?
Yes. Most Wi‑Fi enabled thermostats let you adjust temperatures via smartphone apps, web portals, or voice commands. You can set schedules, activate boost mode, and monitor energy use in real‑time from anywhere, ensuring comfort and efficiency even when you’re away.
What are the energy‑saving benefits of using a smart thermostat with floor heating?
Smart thermostats learn your routines, reduce idle heating, and maintain optimal floor temperatures, cutting waste. Precise scheduling prevents overheating, while adaptive algorithms adjust output based on occupancy and outdoor conditions, leading to noticeable reductions in electricity bills.
Conclusion
In choosing a smart thermostat for floor heating, the most important factors are compatibility with your system, precise temperature control, and the ability to adapt to your lifestyle.
Look for models that offer Wi‑Fi connectivity, intuitive apps, and integration with voice assistants or home‑automation platforms. Energy‑saving features such as programmable schedules, geofencing, and learning algorithms can significantly reduce heating costs while maintaining comfort.
Easy installation and clear, responsive interfaces make use hassle‑free, and sensor placement ensures even heat distribution across rooms. Ultimately, a smart thermostat turns a traditional floor‑heating setup into an efficient, user‑friendly centerpiece of a modern smart home.
