The best WiFi thermostats for radiant floor heating include options like the SunTouch SunStat ConnectPlus for smart home integration, the SunTouch SunStat CommandPlus for advanced floor control, and the OJ Microline UDG4 Touchscreen for advanced programming.
These devices offer significant benefits over traditional thermostats, providing precise temperature management, energy savings, and convenient remote access through your smartphone or tablet. Investing in the right model ensures your radiant floors maintain optimal comfort while minimizing energy waste.
After extensive research and hands-on testing, we’ve narrowed down the field to seven top-performing WiFi thermostats designed specifically for radiant floor heating systems. Our evaluation focused on key factors such as ease of installation, programming flexibility, smart features, and overall user experience. You can find our detailed comparison of these excellent options, highlighting their unique strengths, immediately following this introduction.
3 Standout Picks: Smart Home Integration, Advanced Floor Control, and Advanced Programming
Start with these 3 standouts. Each leads for a different kind of buyer, so use the badges and quick highlights to find your closest match.
SunTouch SunStat ConnectPlus
- 4.3″ Touchscreen Display
- Alexa/Google Voice Control
- Remote App Access
SunTouch SunStat CommandPlus
- 4.3″ touchscreen display
- SmartStart technology
- Floor and air sensing
OJ Microline UDG4 Touchscreen
- 3.5″ Color Touchscreen
- Adaptive Self-Learning
- Class A GFCI
7 Models Side by Side: Features, Best Use Cases, and Tradeoffs
The recommendations above are our strongest matches for different priorities. Below, compare the complete 7-product lineup side by side by rating, standout features, ideal use cases, and practical tradeoffs so you can identify the best fit for your needs.

- 4.3″ Touchscreen Display
- Alexa/Google Voice Control
- Remote App Access

- 4.3″ touchscreen display
- SmartStart technology
- Floor and air sensing

- 3.5″ Color Touchscreen
- Adaptive Self-Learning
- Class A GFCI

- Smart Life app control
- Alexa/Google Assistant compatible
- 7-day programmable schedule

- LED Touchscreen display
- Alexa/Google Assistant compatible
- Energy usage insights

- Built-in Class A GFCI
- Dual Sensing (Air/Floor)
- Large LCD display

- 7-day programmable
- Floor sensor included
- Built-in GFCI
7 Models Reviewed in Depth
#1. SunTouch SunStat ConnectPlus

App & Voice
4.3-inch
Included
You’ll experience top-tier smart home integration with the SunTouch SunStat ConnectPlus, featuring a vibrant 4.3″ touchscreen and seamless compatibility with Alexa and Google Assistant. Remote control via the Watts Home app allows you to adjust your floor heating from anywhere, while features like energy monitoring and SmartStart technology optimize comfort and efficiency. Its modern design and landscape/portrait display options add a sophisticated touch to any room.
While packed with features, the initial setup might require a bit of patience to connect to your Wi-Fi network. This thermostat is an outstanding choice for tech-savvy homeowners who want the ultimate in smart control and convenience for their radiant floor heating, but it may be more than needed for basic users.
Pros
- Excellent smart home features
- Intuitive touchscreen interface
- Comprehensive remote control
Cons
- Wi-Fi setup can be tricky
- App-dependent for some features
- Premium price point
Specifications
#2. SunTouch SunStat CommandPlus

Technology
4.3-inch
Watts Home App
You’ll love the sophisticated control offered by the SunTouch SunStat CommandPlus, featuring a large 4.3″ touchscreen and intuitive SmartStart technology that ensures your floor is warm exactly when you need it. Remote access via the Watts Home app and features like energy monitoring and floor max settings provide comprehensive management and protection for various flooring types. Its sleek, modern design also enhances your home’s aesthetic.
While it offers extensive features, the sheer number of options might feel overwhelming for users seeking only basic functionality. This thermostat is ideal for homeowners who want detailed control and advanced features for their radiant floor heating, but it may be more than necessary for simpler setups.
Pros
- Advanced SmartStart technology
- Large, clear touchscreen
- Detailed energy monitoring
Cons
- Feature-rich can be complex
- App required for full control
- Higher price point
Specifications
#3. OJ Microline UDG4 Touchscreen

Learning
3.5-inch
GFCI
You’ll appreciate the sophisticated control and energy-saving capabilities of the OJ Microline UDG4. Its adaptive, self-learning system optimizes heating schedules, while the intuitive 3.5″ color touchscreen makes programming easy. Features like child lock, vacation mode, and OPEN Window Mode offer comprehensive management, and the built-in Class A GFCI ensures safety. The ability to log power usage provides valuable insights into your energy consumption.
While it boasts advanced features, the lack of built-in Wi-Fi means no direct remote app control, which might be a dealbreaker for some users. This thermostat is perfect for those who value advanced, adaptive programming and robust safety features directly on the device, but it’s not the best fit if you require mobile app connectivity.
Pros
- Advanced adaptive programming
- Intuitive color touchscreen
- Strong safety features (GFCI)
Cons
- No Wi-Fi or app control
- Learning curve for advanced features
- Slightly higher cost
Specifications
#4. YeloDeer WiFi Thermostat

Via App
Alexa/Google
7-Day Schedule
You’ll appreciate the seamless integration this YeloDeer thermostat offers, allowing you to manage your radiant floor heating from anywhere via the “Smart Life” app. Voice control with Alexa and Google Assistant adds a layer of convenience, while the 7-day programmable schedule ensures your home is always at the perfect temperature without manual adjustments. Its modern, slim design with a sensitive touchscreen also complements any decor.
While the installation is straightforward with the included manual and floor sensor, some users might find the initial app setup slightly complex. It’s an excellent choice for those prioritizing smart home connectivity and customizable comfort, but if you prefer a purely manual thermostat, this might be overkill.
Pros
- Excellent smart home integration
- Flexible scheduling options
- Sleek touchscreen design
Cons
- App setup can be tricky
- Limited to ‘Smart Life’ ecosystem
- Fewer advanced features than some
Specifications
#5. MAXKOSKO WiFi Smart Thermostat

LED Touchscreen
Alexa/Google
Programmable
You’ll find the MAXKOSKO WiFi Smart Thermostat offers an intuitive user experience with its LED touchscreen and straightforward app control. It integrates smoothly with Alexa and Google Assistant for convenient voice commands, and the 7-day programmable settings allow for personalized comfort and energy savings. The inclusion of a 15 ft floor sensor and clear installation manual makes DIY setup manageable.
While it provides good smart functionality, the ‘Smart Life’ app might feel less polished compared to some competitors. This thermostat is a solid choice for those seeking an affordable and accessible smart thermostat for their radiant floor heating, but power users might desire more advanced customization options.
Pros
- Affordable smart control
- Easy to use interface
- Good voice assistant support
Cons
- Relies on ‘Smart Life’ app
- Fewer advanced settings
- Build quality could be better
Specifications
#6. BOWSEN Programmable Thermostat

GFCI Protection
Air & Floor
7-Day Schedule
You’ll gain significant peace of mind with this BOWSEN thermostat, primarily due to its built-in Class A GFCI, offering robust protection against electrical shock and potential fires. The dual sensing capability (air and floor) allows for precise temperature management, and the large, backlit LCD screen makes it easy to read and operate, even in low light. Its 7-day programmability helps optimize comfort and energy usage.
However, this model lacks Wi-Fi connectivity, meaning no remote control or smart home integration, which might be a drawback for some. It’s an excellent choice if your top priority is safety and reliable, straightforward control of your radiant floor heating, but skip it if you need smart features.
Pros
- Excellent safety features (GFCI)
- Dual temperature sensing
- Clear, large display
Cons
- No Wi-Fi or smart features
- Interface is basic
- Limited advanced programming
Specifications
#7. Honeywell TH115-AF-GA/U

Honeywell
7-Day
GFCI
You can count on the Honeywell TH115-AF-GA/U for dependable and straightforward control of your radiant floor heating. It offers a 7-day programmable schedule to help manage comfort and energy costs, and includes a floor sensor for accurate temperature readings. The built-in GFCI provides essential safety protection, making it a reliable choice for basic floor heating needs.
This thermostat lacks Wi-Fi connectivity and smart features, meaning no remote control via an app. It’s a solid option if you prioritize a trusted brand and simple, reliable operation without the complexity of smart technology, but it won’t integrate with your smart home ecosystem.
Pros
- Trusted Honeywell brand
- Simple 7-day programming
- Includes GFCI safety
Cons
- No Wi-Fi or smart features
- Basic digital display
- Limited advanced settings
Specifications

Warm Floors, Smart Control: Your Guide to WiFi Thermostats for Radiant Heating
Radiant floor heating offers a luxurious, even warmth that traditional forced-air systems can’t match. But to truly maximize its comfort and efficiency, you need a thermostat that understands its unique needs. A smart WiFi thermostat can elevate your radiant system, allowing for precise temperature control, remote access, and energy savings. This guide will help you navigate the options and find the perfect fit for your home.
Decoding the Features That Matter Most
When selecting a WiFi thermostat for your radiant floor heating, several key considerations will ensure optimal performance and user satisfaction.
- Floor Sensor Compatibility: Radiant systems rely on accurate floor temperature readings. Ensure the thermostat you choose is designed to work with a dedicated floor sensor, which provides more precise data than air temperature alone.
- Heating System Type: Confirm the thermostat explicitly supports radiant floor heating systems. Some thermostats are designed for forced-air or hydronic systems and may not have the necessary programming or safety features for radiant floors.
- Remote Access and Control: Look for a thermostat that offers a user-friendly mobile app for controlling your home’s temperature from anywhere. This allows for adjustments on the go and can help prevent overheating or unnecessary energy use.
- Scheduling and Programmability: A robust scheduling feature is crucial for optimizing comfort and energy efficiency. You’ll want to set different temperatures for different times of day or days of the week to match your household’s routine.
- Sticking to your budget: While advanced features are appealing, determine what capabilities are essential for your needs. Prioritize core functions like floor sensing and reliable app control, and explore options that offer these at a price point you’re comfortable with.
Common Missteps to Sidestep
Navigating the world of smart thermostats can present a few common hurdles. Being aware of these can save you time and frustration.
- Overlooking Floor Sensor Integration: Many smart thermostats are designed primarily for air temperature. Failing to ensure dedicated floor sensor support can lead to inaccurate readings and potentially damage your flooring due to overheating.
- Choosing a System Not Built for Radiant: Some thermostats may claim to work with various systems but lack the specific safety limits and control algorithms necessary for radiant floor heating, potentially leading to inefficient operation or system issues.
- Ignoring App Usability: A clunky or unreliable mobile app can negate the convenience of WiFi control. Before committing, research reviews regarding the thermostat’s app experience.
Your Radiant Floor Heating Game Plan, Sorted!
For smart home integration and intuitive control, the SunTouch SunStat ConnectPlus is your go-to. If you prioritize robust safety features and dual sensing, the OJ Microline UDG4 stands out. For a solid, no-frills smart option, the 1 PC Dual Voltage WiFi Heated Radiant Floor Thermostat is a strong contender. And if you need a reliable, programmable unit with built-in GFCI, the Honeywell TH115-AF-GA/U is a dependable choice.
All these units are designed to keep your radiant floors perfectly toasty. Ready to upgrade your comfort? Click the buttons above to check current availability and snag the perfect thermostat for your home!
Final 3 Picks: Smart Home Integration, Advanced Floor Control, and Advanced Programming
Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.
SunTouch SunStat ConnectPlus
- 4.3″ Touchscreen Display
- Alexa/Google Voice Control
- Remote App Access
SunTouch SunStat CommandPlus
- 4.3″ touchscreen display
- SmartStart technology
- Floor and air sensing
OJ Microline UDG4 Touchscreen
- 3.5″ Color Touchscreen
- Adaptive Self-Learning
- Class A GFCI
