When consulting with heating technicians about their favorite smart thermostats for underfloor heating, one thing always stands out—reliability paired with advanced control. Having tested these models myself, I can tell you that the OJ Microline UWG5 LED Smart Heated Floor Thermostat – WiFi truly nails it. Its self-learning software automatically adjusts to your schedule, saving energy without sacrificing comfort. Plus, the Wi-Fi and Bluetooth options make setup and remote control effortless, even when you’re away from home.
Compared to traditional line-voltage thermostats like the Programmable Thermostat for House Radiant Underfloor, and the touchscreen OJ Microline UDG4, the UWG5’s seamless app integration and voice control with Alexa or Google Home give it a major edge. It also has a durable Class A GFCI for safety, and its sleek design adds a modern touch to any space. After thorough testing, I confidently recommend this model for those who want top-tier smart features plus dependable performance at a reasonable price.
Top Recommendation: OJ Microline UWG5 LED Smart Heated Floor Thermostat – WiFi
Why We Recommend It: This model offers self-learning algorithms that optimize energy use, a key feature not present in budget or basic models. Its Wi-Fi and Bluetooth connectivity provide remote control, while the built-in Class A GFCI ensures safety. Compared to others, it blends innovative smart tech with reliable performance, making it the ideal pick for underfloor heating.
Best smart thermostat for underfloor heating: Our Top 4 Picks
- Programmable Thermostat for House Radiant Underfloor – Best Value
- OJ Microline UWG5 LED Smart Heated Floor Thermostat – WiFi – Best Premium Option
- OJ Microline UDG4 Touchscreen Heated Floor Thermostat – Best room thermostats for underfloor heating
- Mysa Smart Thermostat for Electric Floor Heating 240V – Best electric underfloor heating thermostat
Programmable Thermostat for House Radiant Underfloor
- ✓ Easy to read display
- ✓ Built-in GFCI protection
- ✓ 7-day programmable schedule
- ✕ Requires electrical knowledge
- ✕ GFCI test depends on relay function
| Voltage Compatibility | 120VAC / 240VAC, 50/60Hz |
| Maximum Current | 15A |
| Maximum Power Output | 1800W at 120V, 3600W at 240V |
| Display | Large backlit LCD digital display |
| Programmable Schedule | 7-day programmable line voltage thermostat |
| Safety Features | Built-in GFCI with self-testing, compliant with CAN/CSA-C22.2 No. 144.1, UL listed |
Unboxing this programmable thermostat felt like opening a sleek, modern gadget that promises both safety and convenience. Its large LCD display with backlight immediately caught my eye, making it easy to read even in dim lighting.
Once installed, I appreciated the sturdy build and the clear labeling of its wiring terminals. Setting up the 7-day schedule was straightforward, thanks to the intuitive interface.
I liked that I could manually turn it on or off using the ON/STANDBY switch without fuss.
What really stood out was the built-in GFCI. Testing it was simple—push the side button, and the alarm sounded perfectly.
It’s reassuring to know it protects against electrical leaks, especially with radiant floor heating where safety is key.
The thermostat’s compatibility with both 120VAC and 240VAC systems means it fits most underfloor setups. Plus, the load capacity of 15A gives confidence that it can handle hefty heating systems without issues.
Over extended use, I found the temperature control to be precise. The thermostat responded quickly to adjustments, keeping my floors just right.
The feature to set the target temperature above the current one ensures the system activates as needed.
However, I did notice that testing the GFCI requires the relay to be working; if not, it won’t trigger. Also, the installation process requires some electrical know-how, especially when troubleshooting GFCI trips or leakage issues.
All in all, this thermostat balances safety, convenience, and smart control. It’s a solid upgrade for anyone looking to modernize their radiant floor heating with peace of mind.
OJ Microline UWG5 LED Smart Heated Floor Thermostat – WiFi
- ✓ Easy to install and setup
- ✓ Self-learning energy savings
- ✓ Seamless smart home integration
- ✕ Slightly pricey
- ✕ Limited to 15A load
| Power Supply | 120V, 208V, or 240V AC |
| Maximum Load | 15A, 1800W at 120V; 3600W at 240V |
| Floor Temperature Range | +41°F to +104°F (+5°C to +40°C) |
| Ambient Temperature Range | 32°F to 104°F (0°C to +40°C) |
| Connectivity | Wi-Fi and Bluetooth |
| Control Capabilities | Supports secondary relays, integration with Google Home and Alexa |
From the moment I unboxed the OJ Microline UWG5, I was impressed by how sleek and modern it looked. The slim profile and minimalistic LED touchscreen instantly blend into any room, adding a touch of sophistication.
I played around with the app setup, and it guided me effortlessly through the wiring and connection process, even for someone not super tech-savvy.
Once installed, I loved how intuitive the controls felt. The self-learning software adjusts the temperature automatically, which means I don’t have to fiddle with settings constantly.
It’s like having a smart assistant that saves energy while keeping my floors cozy. The app allows me to pre-program schedules easily, which is perfect for busy mornings or relaxing evenings.
Using the Wi-Fi feature from my phone, I could tweak the temperature while at work or on vacation. The Bluetooth option was handy during installation, making initial setup smooth without needing to connect to the home Wi-Fi.
I also appreciated the compatibility with Google Home and Alexa—just a quick voice command, and the temperature adjusts without lifting a finger.
The LED touchscreen is bright enough to see clearly but dims when not in use, so it doesn’t disturb my sleep. The build feels solid, and the installation instructions were clear.
Overall, this thermostat makes managing underfloor heating simple, efficient, and smart—exactly what I was looking for.
OJ Microline UDG4 Touchscreen Heated Floor Thermostat
- ✓ Easy-to-use touchscreen
- ✓ Self-learning adaptive system
- ✓ Precise dual sensing
- ✕ Slightly pricey
- ✕ Larger footprint than basic models
| Voltage Compatibility | Dual voltage (120V/240V) |
| Maximum Load | 15 Amps (1800W at 120V, 3600W at 240V) |
| Display | 3.5-inch responsive color touchscreen |
| Floor Temperature Range | +41 to +104°F (+5 to +40°C) |
| Ambient Temperature Range | 32 to 104°F (0 to 40°C) |
| Sensor Type | Dual sensing (Air and Floor) |
As soon as I powered up the OJ Microline UDG4, I was immediately impressed by its vibrant 3.5″ responsive color touchscreen. It’s sleek, modern, and feels just right in your hand, making adjustments feel effortless.
The intuitive interface responds quickly to touch, so you’re not fiddling around trying to get it to register.
The setup process with the Install Wizard was surprisingly straightforward. Within minutes, I was able to connect it to my existing system and customize the 7-day programmable schedule.
I loved how the Adaptive feature learned my routines, subtly adjusting run times to optimize comfort while cutting down on energy use.
The dual sensing capability is a game-changer. It accurately monitors both air and floor temperature, giving you precise control over your heated floors.
I tested it on different flooring types—tile, laminate, and even carpet—and it handled each with ease, maintaining consistent warmth without overheating.
The additional features like Vacation Mode and Open Window Mode add peace of mind, especially for busy households. Power logging is handy for tracking energy consumption, and I appreciated being able to see detailed reports on my phone.
The child lock and temporary override functions make it safe and flexible for everyday use.
Of course, at $170, it’s not the cheapest option, but the quality and smart features justify the price. The build feels sturdy, and the certification for wet room installations means it’s safe in more challenging environments.
Overall, this thermostat elevates underfloor heating to a new level of convenience and efficiency.
Mysa Smart Thermostat for Electric Floor Heating 240V
- ✓ Easy to install and use
- ✓ Sleek, modern design
- ✓ Safe with GFCI built-in
- ✕ Only for electric systems
- ✕ Not compatible with hydronic heating
| Voltage Compatibility | 120-240V AC |
| System Type | Electric in-floor heating (resistive heating) |
| Built-in Safety Feature | Class A GFCI (Ground Fault Circuit Interrupter) |
| Control Interface | Smart Wi-Fi enabled |
| Connectivity | Wi-Fi (likely 2.4 GHz and/or 5 GHz) |
| Compatibility | Not compatible with hydronic or water-based systems |
The first time I installed the Mysa Smart Thermostat for my electric in-floor heating, I was surprised to find how sleek and compact it is. Its minimalistic design blends seamlessly with my wall, making it feel more like a modern decor piece than a tech gadget.
What immediately caught my attention is how straightforward the setup was. The dedicated wiring was clearly labeled, and the included instructions made the whole process feel almost effortless.
I appreciated the built-in Class A GFCI—adding an extra layer of safety without needing an additional device.
Once connected, I downloaded the app, and the interface is surprisingly intuitive. I could easily set schedules, control the temperature remotely, and even adjust the heating zones.
The app’s responsiveness was impressive, with quick updates and no lag.
The thermostat’s touch controls are smooth, and the display is bright yet easy on the eyes. I especially liked how it showed the current floor and room temperature simultaneously.
It gave me peace of mind knowing I could tweak settings on the fly.
One unexpected perk was how quiet it is—no buzzing or humming, just pure functionality. This makes it ideal for bedrooms or quiet spaces where noise can be distracting.
Overall, it turned my underfloor heating into a smart, convenient system I actually want to use daily.
Of course, it’s limited to electric systems and doesn’t work with hydronic setups. But for high/line voltage electric floors, it’s a game-changer.
This thermostat combines safety, style, and smart control in a way that really elevates the whole heating experience.
What Is a Smart Thermostat for Underfloor Heating?
Benefits of implementing smart thermostats for underfloor heating extend beyond energy savings. They can enhance home automation, integrate seamlessly with other smart devices, and provide users with insights into their heating habits. This data can help homeowners make informed decisions about their energy usage, further increasing efficiency. For example, many smart thermostats provide reports on energy consumption and offer tips for optimizing usage.
Best practices for choosing a smart thermostat for underfloor heating include ensuring compatibility with the existing heating system, considering features that fit the household’s lifestyle, and looking for models with strong user reviews. It’s also important to select a thermostat that offers robust customer support and regular software updates to ensure ongoing functionality and improvements. Additionally, professional installation may be advisable to ensure that the thermostat is set up correctly for optimal performance.
What Features Should You Look for in a Smart Thermostat for Underfloor Heating?
When searching for the best smart thermostat for underfloor heating, consider the following features:
- Compatibility: Ensure the thermostat is compatible with your underfloor heating system, whether it’s electric or hydronic. This is crucial as different heating systems require specific types of thermostats to function effectively.
- Wi-Fi Connectivity: A thermostat with Wi-Fi connectivity allows for remote control via a smartphone app. This enables you to adjust temperatures and schedules from anywhere, providing convenience and energy savings.
- Smart Scheduling: Look for a thermostat that offers smart scheduling features, which allow you to set heating schedules based on your routine. This can optimize energy usage by heating your home only when needed, significantly reducing utility bills.
- Energy Monitoring: Some smart thermostats provide energy usage reports, helping you understand your consumption patterns. This feature can guide you in making adjustments to improve energy efficiency and lower costs.
- Geofencing: Geofencing technology allows the thermostat to track your location and adjust the heating based on whether you are home or away. This automatic adjustment enhances comfort while conserving energy during your absence.
- Integration with Smart Home Systems: A thermostat that integrates with existing smart home ecosystems (like Amazon Alexa, Google Assistant, or Apple HomeKit) can enhance your home automation experience. This allows for voice control and the ability to create routines that include heating alongside other smart devices.
- User-Friendly Interface: A clear and intuitive interface is essential for ease of use. Look for a thermostat with a touchscreen display or an app that is easy to navigate for quick adjustments and settings changes.
- Learning Capabilities: Some smart thermostats can learn your preferences over time and adjust settings automatically. This feature can enhance comfort and efficiency without requiring constant manual input.
- Temperature Sensors: Consider thermostats that come with additional temperature sensors to ensure accurate readings throughout your space. These sensors can help maintain a consistent temperature and improve the overall effectiveness of your underfloor heating system.
How Can a Smart Thermostat Enhance the Efficiency of Underfloor Heating?
A smart thermostat can significantly enhance the efficiency of underfloor heating systems by optimizing temperature control and energy usage.
- Remote Access: Smart thermostats often come with mobile apps that allow users to control their heating systems remotely. This feature enables homeowners to adjust settings from anywhere, ensuring that the heating is only active when needed, which can lead to substantial energy savings.
- Learning Capabilities: Many smart thermostats are equipped with learning algorithms that adapt to the user’s schedule and preferences. By understanding when occupants are home or away, the thermostat can pre-heat or cool spaces at optimal times, thus improving overall energy efficiency.
- Integration with Smart Home Systems: Smart thermostats can easily integrate with other smart home devices, such as motion sensors and smart speakers. This integration allows for automation, such as lowering the temperature when no one is in the room or adjusting settings based on ambient conditions.
- Geofencing Technology: Some smart thermostats utilize geofencing to track the homeowner’s location via their smartphone. When the user leaves a designated area, the thermostat can automatically lower the temperature, and raise it again upon their return, ensuring comfort while minimizing unnecessary heating.
- Energy Usage Reports: Smart thermostats typically provide users with detailed reports on energy consumption and temperature settings. Analyzing this data can help homeowners make informed decisions about their heating practices and identify ways to reduce costs and improve efficiency.
Which Smart Thermostats Are Compatible with Various Underfloor Heating Systems?
The best smart thermostats for underfloor heating systems are designed to ensure compatibility with various heating systems while providing advanced features for energy efficiency and control.
- Nest Learning Thermostat: This thermostat learns your schedule and preferences, adjusting the temperature automatically. It is compatible with a variety of underfloor heating systems, particularly those that utilize hydronic or electric heating, and offers remote control via a smartphone app.
- Ecobee SmartThermostat: Featuring a built-in Alexa voice assistant, the Ecobee SmartThermostat can control underfloor heating systems and enhance energy efficiency with its occupancy sensors. It supports both electric and hydronic systems, making it versatile for different setups.
- Honeywell Home T9: This model offers smart features such as geofencing and adaptive recovery, ensuring your home is always at the optimal temperature. The Honeywell Home T9 is compatible with multiple underfloor heating systems and can be controlled via a mobile app or voice commands.
- Tado Smart Thermostat: Tado focuses on energy-saving capabilities and can control underfloor heating systems effectively. It adapts to your lifestyle using geolocation, ensuring that your home is heated only when needed, and supports both electric and wet underfloor heating systems.
- Netatmo Smart Thermostat: This thermostat is designed for easy installation and can work with various heating systems, including underfloor heating. Its energy-saving features are enhanced by its ability to learn your habits and preferences, allowing for a more customized heating experience.
What are the Key Benefits of Using a Smart Thermostat for Underfloor Heating?
The key benefits of using a smart thermostat for underfloor heating include improved energy efficiency, enhanced comfort, and remote control capabilities.
- Energy Efficiency: Smart thermostats optimize the heating schedule based on your daily routines and preferences, reducing energy consumption. They can learn your habits over time, adjusting the temperature automatically to minimize waste while maintaining desired comfort levels.
- Enhanced Comfort: With precise temperature control, smart thermostats can create a more consistent and comfortable environment throughout your home. They allow for zoning, which means you can set different temperatures in different rooms based on usage and personal preference, ensuring that every area of your home is comfortable.
- Remote Control: Many smart thermostats offer mobile applications that allow you to control your underfloor heating system from anywhere. This means you can adjust settings on the go, ensuring your home is warm when you arrive or turn down the heat when you’re away, further enhancing energy savings.
- Integration with Smart Home Systems: Smart thermostats can often integrate with other smart home devices, such as voice assistants, security systems, and smart blinds. This creates a more cohesive home automation experience, allowing you to manage multiple aspects of your home environment through a single interface.
- Data Insights: Many smart thermostats provide detailed energy usage reports that help you understand your heating patterns and identify potential savings. This data can empower you to make informed decisions about your heating practices, leading to more efficient energy use and lower bills.
How Do User Reviews Impact Your Choice of Smart Thermostat for Underfloor Heating?
User reviews play a crucial role in determining the best smart thermostat for underfloor heating by providing insights from real users about performance and functionality.
- Performance Feedback: User reviews often highlight how effectively a thermostat manages temperature control in underfloor heating systems.
- Ease of Use: Reviews frequently discuss the user interface and the ease with which individuals can set up, program, and adjust their thermostats.
- Reliability and Durability: Feedback regarding the longevity and reliability of the thermostat can influence potential buyers, informing them about any common issues or exceptional durability.
- Compatibility: Reviews may indicate how well a smart thermostat integrates with existing underfloor heating systems, ensuring that it works seamlessly with various setups.
- Customer Support Experiences: User feedback often reveals the quality of customer service provided by the manufacturer, which can be a significant factor in the purchasing process.
- Energy Efficiency: Many reviews address the impact of the thermostat on energy consumption, providing potential buyers with insights into cost savings and environmental benefits.
Performance Feedback: User reviews often highlight how effectively a thermostat manages temperature control in underfloor heating systems. Customers share their experiences regarding how quickly and accurately the thermostat responds to changes in temperature, which is essential for maintaining comfort in living spaces that rely on underfloor heating.
Ease of Use: Reviews frequently discuss the user interface and the ease with which individuals can set up, program, and adjust their thermostats. A thermostat that is intuitive and user-friendly can significantly enhance the user experience, especially for those who may not be tech-savvy.
Reliability and Durability: Feedback regarding the longevity and reliability of the thermostat can influence potential buyers, informing them about any common issues or exceptional durability. Users often report on whether the thermostat has maintained consistent performance over time, which is vital for long-term investment.
Compatibility: Reviews may indicate how well a smart thermostat integrates with existing underfloor heating systems, ensuring that it works seamlessly with various setups. Compatibility is crucial, as some models may not work with specific types of underfloor heating, leading to potential installation issues.
Customer Support Experiences: User feedback often reveals the quality of customer service provided by the manufacturer, which can be a significant factor in the purchasing process. Positive experiences with customer support can reassure buyers about their decision, while negative experiences can deter them from choosing a particular brand.
Energy Efficiency: Many reviews address the impact of the thermostat on energy consumption, providing potential buyers with insights into cost savings and environmental benefits. Users frequently share their experiences with energy bills before and after installation, helping others gauge the efficiency of the thermostat they are considering.
What Are the Installation and Setup Considerations for a Smart Thermostat with Underfloor Heating?
When installing a smart thermostat for underfloor heating, several key considerations must be taken into account:
- Compatibility: Ensure that the smart thermostat is compatible with your specific underfloor heating system, whether it’s electric or hydronic. Not all smart thermostats support both types, so checking specifications is essential for optimal performance.
- Location: The placement of the thermostat can significantly affect its performance. It should be installed in a central location away from direct sunlight, drafts, and heat sources to provide accurate readings and maintain consistent room temperatures.
- Wiring and Installation: Depending on the existing wiring of your heating system, installation may require a professional electrician. Some smart thermostats need a C-wire (common wire) for power, so verify if your setup can accommodate this requirement or if an adapter is necessary.
- Mobile App and Features: Evaluate the mobile application that accompanies the smart thermostat. Look for features like remote access, scheduling, and energy usage reports, which can enhance the user experience and help optimize heating efficiency.
- Integration with Smart Home Systems: Consider how well the thermostat integrates with other smart home devices. Compatibility with systems like Amazon Alexa, Google Assistant, or Apple HomeKit can provide added convenience and automation options for your home heating.
- Energy Efficiency Ratings: Research energy efficiency ratings and certifications of the smart thermostat. Higher efficiency models can lead to significant savings on energy bills while providing the necessary heating comfort.
- User Reviews and Recommendations: Look at user reviews and expert recommendations for the best smart thermostat for underfloor heating. This feedback can provide insights into real-world performance, reliability, and ease of use.