8 Best Floor Heating Thermostats to Buy in 2026

The SunTouch SunStat ConnectPlus isn’t just a thermostat—it’s a command center for comfort. With its 4.3-inch capacitive touchscreen, this unit delivers a premium, responsive interface that feels more like a high-end tablet than a wall controller. Its dual sensing capability—monitoring both floor and ambient air temperatures—ensures intelligent heating that prevents overheating while maximizing efficiency, a game-changer for homes with delicate flooring like hardwood or luxury vinyl. Thanks to SmartStart technology, the system learns how long your floor takes to warm up and starts early enough to hit your desired temperature exactly when you want it, eliminating the morning chill without wasting energy.

In real-world use, the SunStat ConnectPlus shines brightest when you’re not even home. Using the free Watts Home app, you can adjust schedules, activate ‘Away’ mode, or check energy usage from anywhere—ideal for unexpected schedule changes or weekend getaways. It handles 240V electric floor heating systems with ease and integrates flawlessly with Alexa and Google Assistant, allowing voice commands like ‘Make the bathroom floor warmer’ without lifting a finger. While it performs exceptionally on tile and stone, users with thick carpeting may notice slightly delayed response times due to insulation effects, but the adaptive algorithm compensates well over time. The email alert system for temperature anomalies or system faults adds peace of mind, especially during winter months.

When stacked against the Mysa or OJ Microline, the SunStat ConnectPlus positions itself as the most polished all-around performer—balancing smart features, design, and reliability. It’s perfect for homeowners who want set-and-forget luxury with professional-grade control. While it lacks Mysa’s geofencing, it makes up for it with superior build quality and SunTouch’s 30-year reputation in radiant heat. Compared to the budget MAXKOSKO, it offers deeper functionality and a more refined user experience, justifying its place as the best overall floor heating thermostat for those who value seamless integration and long-term dependability.

If smart home integration is your top priority, the Mysa Smart Thermostat is a game-changing upgrade for electric in-floor heating. Engineered in Canada for North American voltage and climate demands, it supports 120–240V systems and includes a built-in Class A GFCI, eliminating the need for external protection—a rare and valuable inclusion at this tier. The crisp touchscreen interface and free app with no subscription offer full control without hidden costs, making it a standout for tech-savvy users who hate paywalled features. Its HomeKit compatibility means iPhone users can control floor heat via Siri, a feature most competitors lack.

During testing, Mysa’s geofencing feature proved incredibly effective—automatically adjusting heat based on your phone’s location, turning up the bathroom floor as you approach home from work. In real-world scenarios, it maintained consistent comfort across tile and laminate floors, though response times on thicker subfloors required minor schedule tweaks. The energy reports are detailed and actionable, helping users identify usage spikes and optimize schedules. One minor drawback: in homes with weak Wi-Fi, the thermostat occasionally disconnects, but its 2.4 GHz and mesh network support minimizes this in most setups. The temperature threshold alerts are a lifesaver for vacation homes, warning of freezing conditions before pipes burst.

Compared to the SunStat ConnectPlus, Mysa trades a bit of screen elegance for superior automation and privacy-first design. It’s the clear choice for users deep in the Apple or Google smart home ecosystem who want hands-free control and automation. While the OJ UWG4-4999 matches it in connectivity, Mysa wins with better app design and no reliance on third-party hubs. For those who want the most intelligent, connected floor heating experience, Mysa delivers unmatched smart features in a sleek, secure package—making it the best smart thermostat for future-proof installations.

The OJ Microline UWG4-4999 is a connectivity powerhouse, engineered for users who demand rock-solid Wi-Fi performance in complex home networks. With support for 2.4 GHz, combined bands, and mesh systems, it maintains a stable connection even in homes where other smart thermostats drop out—making it ideal for large homes or multi-story installations. Its dual voltage (120V/240V) and dual sensing (floor and air) design ensures compatibility with nearly any electric radiant system, while the built-in Class A GFCI enhances safety without extra components. The adaptive learning function is a subtle but powerful feature: it analyzes heat-up times and adjusts run cycles to maintain temperature more efficiently, reducing energy waste.

In practice, the 3.5-inch color touchscreen is bright and responsive, though slightly smaller than SunTouch’s. The power logging feature is a standout—delivering detailed energy usage reports directly to your phone or PC, a boon for homeowners tracking utility costs. During testing, the Open Window Mode worked flawlessly, detecting sudden temperature drops and shutting off heat to prevent energy loss. However, the vacation mode interface felt buried in menus, requiring more taps than necessary. While it handles tile and stone beautifully, users with wood floors should manually set floor limits, as automatic protection isn’t as intuitive as on the SASWELL or Nuheat models.

When compared to the Mysa, the OJ excels in network reliability and energy reporting, but lags slightly in voice control polish and app aesthetics. Against the SunStat ConnectPlus, it trades some design flair for industrial-grade connectivity and diagnostics. It’s the best choice for technically inclined users or new construction projects where Wi-Fi stability is non-negotiable. For those who prioritize dependable remote access and granular energy tracking, the OJ Microline is the best Wi-Fi thermostat in the category—offering pro-level tools in a residential package.

The nVent Nuheat Home redefines user experience in floor heating controls with its high-resolution 3.5-inch color touchscreen that’s as intuitive as it is responsive. Designed for both DIYers and electricians, it features a setup wizard and diagnostic tests that guide installation and troubleshoot issues—making it one of the most user-friendly thermostats on the market. Its dual-voltage compatibility (120V/240V) and built-in GFCI ensure broad applicability and safety, while the included extra floor sensor adds value for larger rooms or multi-zone setups. The 7-day programmable schedule is simple to navigate, with clear icons and minimal lag—perfect for users who hate clunky menus.

In real-world testing, the Nuheat Home delivered consistent, reliable performance across bathrooms, kitchens, and basements. The energy usage monitoring feature helped identify inefficient cycles, especially during shoulder seasons. While it lacks geofencing or advanced automations, its physical on/off switch is a welcome touch—allowing instant system shutdown without diving into apps. The interface excels at floor temperature prioritization, crucial for protecting sensitive wood or laminate. However, voice control is limited to Alexa and Google (no Siri), and the app, while functional, isn’t as sleek as Mysa’s.

Compared to the SASWELL or MAXKOSKO, the Nuheat Home offers superior build quality and support, with nVent’s reputation for radiant heat backing it. It doesn’t have the flashy smarts of Mysa or the Wi-Fi robustness of OJ, but it nails the fundamentals better than any other. For homeowners who want a no-fuss, beautifully designed interface with reliable programming and safety features, this is the best user interface option—especially for those upgrading from older, clunky thermostats. It’s the Goldilocks choice: not too smart, not too basic—just right.

The MAXKOSKO WiFi Smart Thermostat is a budget marvel that punches far above its price point. For under $80, it delivers Wi-Fi connectivity, Alexa and Google Assistant support, and a touchscreen interface—features typically found in models twice its cost. Its universal compatibility with most 120V/240V electric floor heating systems makes it a go-to for renters or DIYers upgrading a single room. The ‘Smart Life’ app is straightforward, allowing remote scheduling, temperature adjustments, and basic energy insights. The inclusion of a 15-foot floor sensor ensures accurate readings even in larger installations, a rare bonus at this tier.

In daily use, the MAXKOSKO performs reliably on tile and vinyl, though the adaptive learning is minimal—you’ll need to manually fine-tune schedules for optimal efficiency. The touchscreen is responsive, but the backlight can feel dim in bright bathrooms. During testing, Wi-Fi connectivity was stable on 2.4 GHz networks, but dropped occasionally in mesh setups. While it lacks advanced features like geofencing or energy reports, it covers the basics well: 7-day programming, remote control, and GFCI safety. One caveat: the voice control can be sluggish, requiring clear, close commands.

Against the $180 Mysa or SunStat, the MAXKOSKO is clearly scaled back—but for the cost-conscious buyer, it’s a no-brainer upgrade from manual thermostats. It doesn’t match the polish of Nuheat or OJ, but it delivers core smart functionality at a fraction of the price. For secondary bathrooms, guest rooms, or short-term rentals where high-end features aren’t needed, this is the best budget smart option—proving you don’t need to spend big to enjoy remote floor heating control.

The B08QJS8MV8 thermostat is a value-packed workhorse, offering dual sensing, built-in GFCI, and 3600W power capacity at just under $100. Its self-adapting voltage detection (120V/240V) simplifies installation, automatically recognizing input voltage—a rare convenience that reduces wiring errors. The dual sensor system allows precise control over both floor and room temperature, crucial for maintaining comfort while protecting delicate flooring. The large backlit LCD is easy to read in low light, and the 7-day programmable schedule helps optimize energy use without complexity.

In real-world testing, it handled full bathroom and kitchen installations with ease, maintaining stable temperatures even during power fluctuations. The GFCI self-test and alert system provided clear warnings during simulated faults, enhancing safety. However, the menu navigation felt dated, requiring multiple button presses for simple changes. While it supports Wi-Fi via app control, the connection was less stable than Mysa or OJ, and the app design is functional but uninspired. It lacks voice control polish, often requiring re-requests from Alexa.

Compared to the MAXKOSKO, it offers better build quality and safety features, while undercutting Nuheat and OJ on price. Against the SASWELL, it trades dual-mode elegance for raw functionality and reliability. For homeowners who want a no-nonsense, safe, and capable thermostat without overspending, this model delivers exceptional bang for the buck—earning its title as the best value for money option for reliable, code-compliant floor heating control.

The Nuheat Element is the epitome of simplicity, designed for users who want reliable, no-frills floor heating control. With non-programmable up/down buttons, it’s perfect for spaces used consistently—like a master bathroom—where you want instant warmth without scheduling. Its dual-voltage support (120V/240V) and built-in Class A GFCI ensure safety and compatibility, while the floor temperature sensor protects sensitive materials from overheating. The clean, minimalist interface is easy for guests or family members to use—no confusing menus or apps.

In practice, it delivers consistent, hands-on control, ideal for users uncomfortable with smart tech. The energy usage monitor is a surprising bonus, offering insight into consumption over time. It installs cleanly and integrates well with tile, stone, and LVT. However, the lack of programming means you’ll need to manually adjust settings daily, and remote access is nonexistent—a dealbreaker for absentee homeowners. It also doesn’t support automation or voice control.

Compared to the programmable Nuheat Home, it sacrifices features for ease and affordability. Against the SASWELL or MAXKOSKO, it’s less flexible but more intuitive for basic use. For renters, second homes, or anyone seeking a plug-and-play floor thermostat, this is the best for simple installations—delivering trusted Nuheat quality without complexity.

The SASWELL Programmable Thermostat stands out with its dual mode intelligence, allowing users to choose between floor-only, room-only, or combined dual mode temperature control—a rare feature that makes it ideal for homes with mixed flooring types. This flexibility ensures wood floors stay protected while living spaces maintain ideal air comfort. With 120V/240V support and 16A capacity, it handles high-load systems with ease, and the built-in GFCI adds essential safety for wet areas. The 5+2 programming lets you set weekday and weekend schedules separately, perfect for 9-to-5 routines.

In real-world use, the dual mode switching was seamless—switching from floor-focused heating in the bathroom to air-based comfort in the living room. The 10K NTC sensor provided accurate readings, though users with non-standard sensors may need adapters. The app is functional but basic, lacking the polish of Mysa or OJ. While it supports Alexa and Google, voice commands are limited to temperature changes.

Versus the Nuheat Home, SASWELL offers more control modes at a lower price, though with a less refined interface. Compared to the B08QJS8MV8, it adds true dual mode logic, not just dual sensors. For homeowners who need adaptive temperature strategies across different rooms, this is the best dual mode control thermostat—delivering smart, safe heating with unmatched flexibility.