I’ve researched 12 top smart thermostats perfect for underfloor heating, including models like Mysa, Honeywell, and Nest. They offer Wi-Fi, voice control, adaptive scheduling, and compatibility with various systems, ensuring energy efficiency and easy management. Whether you have electric or hydronic setups, there’s a device to suit your needs. Keep exploring, and you’ll discover how to choose the right one to enhance comfort and save on energy costs.
Key Takeaways
- Modern smart thermostats support Wi-Fi, voice control, and integration with popular smart home ecosystems like Alexa, Google Home, and Apple HomeKit.
- They feature dual sensors for accurate floor and air temperature regulation, enhancing comfort and energy efficiency.
- Installation ranges from simple DIY setups to professional wiring, with compatibility depending on system voltage and wiring complexity.
- Key features include adaptive scheduling, energy tracking, geofencing, and certifications like ENERGY STAR for savings and safety.
- Top models offer sleek designs, touchscreen controls, and long-term warranties, making them suitable for various underfloor heating applications.
Google Nest Thermostat, Programmable Wi-Fi Thermostat
If you’re looking for a smart thermostat that combines easy installation with advanced energy-saving features, the Google Nest Thermostat is an excellent choice. It’s ENERGY STAR certified, helping you cut energy costs by adjusting itself when you’re away. Supporting heating, cooling, and heat pump systems, it’s easy to install in about 30 minutes, with a sleek LCD display and simple button controls. You can control it remotely via Wi-Fi using the Google Home app, and it integrates seamlessly with voice assistants like Google Assistant and Alexa. Its learning capabilities optimize your comfort while reducing bills, making it a smart addition to any home.
Best For: homeowners seeking an easy-to-install, energy-efficient smart thermostat that integrates seamlessly with voice assistants and smart home systems.
Pros:
- Easy DIY installation typically completed within 30 minutes
- Supports multiple HVAC systems including heating, cooling, and heat pumps
- Offers remote control via Wi-Fi and integration with Google Assistant, Alexa, and other platforms
Cons:
- Installation can be challenging for some users, especially wiring and compatibility issues
- Limited offline functionality; dependent on internet connection for most features
- Users report variability in temperature and humidity accuracy and initial setup difficulties
Honeywell Wi-Fi 9000 Color Touch Screen Thermostat
The Honeywell Wi-Fi 9000 Color Touch Screen Thermostat stands out for its sleek design and advanced remote control capabilities, making it an ideal choice for homeowners who want to easily manage their underfloor heating systems from anywhere. Its 4.5-inch LCD display with customizable background colors adds a modern touch, while its Wi-Fi connectivity allows control via smartphone app or voice assistants like Alexa. Designed for wall mounting, it operates on 24-volt hardwired power and requires a C wire for installation. With features like scheduling, manual adjustments, and Energy Star certification, it combines style, convenience, and energy efficiency for a seamless heating experience.
Best For: homeowners seeking a stylish, Wi-Fi-enabled thermostat with customizable features for easy remote control of their heating systems.
Pros:
- Modern, sleek design with customizable background colors to match decor or themes
- Easy Wi-Fi setup and remote control via smartphone app or voice assistants like Alexa
- Energy Star certified, supporting efficient scheduling and manual adjustments
Cons:
- Requires a C wire for installation, which may not be present in all setups
- Designed for professional installation, though DIY installation is possible with proper wiring
- Some users report occasional email alerts about time settings that are easily resolved
Sensi Touch 2 Smart Thermostat with Touchscreen Display
Designed for homeowners seeking an intuitive, modern control experience, the Sensi Touch 2 Smart Thermostat features a sleek LCD touchscreen that makes managing your underfloor heating system simple and straightforward. It offers programmable scheduling, Wi-Fi connectivity, and compatibility with voice assistants like Alexa and Google Assistant. Easy DIY installation is supported by an intuitive app that guides setup, and room sensors help balance temperatures for maximum comfort and efficiency. ENERGY STAR certified and compliant with Title 24, it can help you save around 23% on energy costs. Most users find it reliable and user-friendly, though some note limitations with low-temperature settings and outside temperature data.
Best For: homeowners seeking an easy-to-use, modern smart thermostat with customizable scheduling and room temperature balancing capabilities.
Pros:
- Sleek LCD touchscreen display for intuitive control and easy setup
- Supports smart voice control through Alexa and Google Assistant
- ENERGY STAR certified, helping to reduce energy costs by approximately 23%
Cons:
- Limited temperature adjustment range for auxiliary heat and low-temperature settings
- Difficulty accessing outside temperature data directly on the thermostat
- Occasional challenges with technical support and hardware reliability in some units
6iE Smart WiFi Thermostat for Underfloor Heating
For those seeking a sleek, intuitive thermostat that offers intelligent control without the hassle of programming, the 6iE Smart WiFi Thermostat stands out. Its ultra-thin design and touchscreen make it easy to operate directly on the device. Using Warmup’s latest technology, it maintains your ideal temperature automatically, thanks to SmartGeo technology that detects your location via the MyHeating app. This helps save up to 25% on energy bills by optimizing heating schedules. Plus, its compatibility with IFTTT and support for voice commands through Amazon Alexa make it a versatile, user-friendly choice for managing electric underfloor heating effortlessly.
Best For: homeowners seeking an elegant, easy-to-use smart thermostat that automatically adjusts heating for maximum comfort and energy efficiency.
Pros:
- Sleek, ultra-thin design with an intuitive touchscreen interface
- SmartGeo technology for automatic temperature adjustments based on location
- Supports remote control, scheduling, IFTTT integration, and voice commands via Amazon Alexa
Cons:
- Limited compatibility solely to electric underfloor heating systems
- Requires a stable WiFi connection for optimal operation
- May involve a learning curve for users unfamiliar with smart home technology
Mysa Smart Thermostat for Electric In-Floor Heating
If you’re looking to control your electric in-floor heating system with ease and confidence, the Mysa Smart Thermostat stands out as a top choice. It’s designed specifically for high-voltage systems (120-240V) and offers Wi-Fi connectivity, allowing remote control through a free app without any subscription fees. Compatibility with HomeKit, Alexa, and Google Home makes integration seamless. The thermostat features an easy installation process, built-in safety GFCI, and a 2-year warranty when purchased from an authorized seller. Overall, Mysa combines smart features, safety, and simplicity, making it an excellent option for modern, connected homes.
Best For: homeowners seeking a reliable, easy-to-install smart thermostat for electric in-floor heating that integrates seamlessly with popular voice assistants and smart home systems.
Pros:
- Easy installation process suitable for DIY setup
- Compatible with HomeKit, Alexa, and Google Home for versatile voice control
- Built-in GFCI safety feature provides added protection
Cons:
- Not compatible with hydronic or water-based heating systems
- Limited to high-voltage electric in-floor heating (120-240V) only
- Requires Wi-Fi connection for remote access, which may raise security concerns for some users
Schluter Ditra-Heat-E-RS1 Smart Thermostat with Floor Sensors
The Schluter Ditra-Heat-E-RS1 Smart Thermostat with Floor Sensors stands out as an excellent choice for homeowners seeking a sleek, modern control solution for their underfloor heating systems. It features a stylish mirror-finish LCD display, touchpad controls, and seamless Wi-Fi connectivity, allowing remote management via a dedicated app. Compatible with Alexa and Google Home, it supports dual sensors and energy tracking, helping optimize comfort and efficiency. While its elegant design enhances interior aesthetics, some users find the mirrored surface difficult to read in certain lighting. Easy to install and backed by a 3-year warranty, it’s a reliable, high-tech option for modern homes.
Best For: homeowners seeking a stylish, feature-rich smart thermostat for precise control of their underfloor heating systems with remote management capabilities.
Pros:
- Modern, sleek mirror-finish LCD display enhances interior aesthetics
- Seamless Wi-Fi connectivity with app control and voice assistant support (Alexa and Google Home)
- Supports dual sensors, energy tracking, and customizable scheduling for optimized comfort and efficiency
Cons:
- Mirrored glass surface can be difficult to read in certain lighting conditions
- Higher price point compared to similar smart thermostats
- Occasional connectivity issues and limited integration with third-party systems like Apple HomeKit
40sqft Electric Radiant Floor Heating System
A 40sqft electric radiant floor heating system like LuxHeats is ideal for small rooms or spaces that need quick, efficient warmth. It includes a 120V heating cable, a membrane for waterproofing and crack prevention, and a programmable touchscreen thermostat with dual sensors. Designed for easy installation, the system supports custom configurations with its flexible membrane and must be covered with self-leveler or thinset—cutting wires isn’t allowed. The thermostat offers smart features like scheduling and child lock, all backed by strong warranties from LuxHeat and Prova. Perfect for bathrooms, kitchens, or small living areas, it delivers reliable comfort with minimal hassle.
Best For: small rooms or spaces like bathrooms, kitchens, or living areas that require quick, efficient, and customizable heating solutions.
Pros:
- Easy installation with flexible membrane and simple wiring requirements
- Includes advanced programmable thermostat with scheduling and dual sensors for optimal comfort
- Backed by long-term warranties from LuxHeat (25 years) and Prova (50 years) for peace of mind
Cons:
- Wires cannot be cut or shortened, limiting customization
- Must be covered with self-leveler or thinset during installation, requiring careful application
- Suitable only for spaces up to 40sqft, not ideal for larger areas
All-in-one Electric Radiant Floor Heating Kit (64 Sq Ft, 120V)
For homeowners seeking a complete, easy-to-install radiant floor heating solution, the All-in-one Electric Radiant Floor Heating Kit (64 Sq Ft, 120V) stands out. It includes everything you need: electric heating cable, a smart WiFi programmable thermostat, and essential accessories. Designed specifically for use with Schluter’s Ditra Heat DUO membrane, it ensures efficient and uniform warmth beneath tiles or resilient flooring. The thermostat offers wireless control via a phone app, making programming simple. With sensors that guarantee safe installation and ideal performance, this kit delivers faster heating—up to 70% quicker than traditional systems—making it a reliable choice for a cozy, energy-efficient upgrade.
Best For: homeowners seeking an easy-to-install, energy-efficient radiant floor heating solution compatible with tile or resilient flooring and smart home integration.
Pros:
- Complete kit with all necessary components for straightforward installation
- Smart WiFi thermostat allows remote control and programming via phone app
- Fast heating performance, up to 70% quicker than traditional systems
Cons:
- Designed specifically for use with Schluter’s Ditra Heat DUO membrane, limiting compatibility with other membranes
- May require professional installation for optimal safety and performance
- Limited to 64 sq ft coverage, which may not suit larger areas without multiple kits
All-in-one Electric Radiant Floor Heating Kit with Thermostat
If you’re seeking a thorough, energy-efficient solution for underfloor heating, the All-in-one Electric Radiant Floor Heating Kit with Thermostat stands out. It includes heat cable, a WiFi-enabled touchscreen thermostat, and essential parts, designed to work seamlessly with the Schluter Systems Ditra Heat DUO membrane. The system offers precise temperature control with sensors for safety and efficiency, supporting both 120V and 240V setups. Easy to install under various surfaces like tile, vinyl, or stone, it’s suitable for residential and commercial spaces. This kit delivers quick, consistent warmth, reducing energy waste while enhancing comfort in bathrooms, kitchens, hallways, and more.
Best For: homeowners and contractors seeking a reliable, energy-efficient underfloor heating solution for residential or commercial spaces with various surface types.
Pros:
- Seamless WiFi-enabled thermostat for remote control and programming
- Compatible with multiple surface types including tile, stone, and carpet tiles
- Quick, even heating with energy efficiency and safety features
Cons:
- Requires proper integration with Ditra Heat DUO membrane for optimal performance
- Installation may be complex for DIY beginners without prior experience
- Limited to 83 sq ft coverage per kit, requiring multiple units for larger areas
50sqft Floor Heating Cable Kit
Looking for a reliable and easy-to-install solution to heat small areas? The LuxHeats 50sqft Floor Heating Cable Kit is perfect for that. It includes a 50-square-foot heating cable, a touchscreen thermostat with GFCI, alarm, floor sensor, and installation accessories. Designed for easy placement under tiles, laminate, or other flooring types, the cables are flexible and can be laid out in custom configurations without cutting or shortening. With a 200-foot cable length and dual-wire technology, it offers safe, efficient heat at 600W. The system supports individual room control, ensuring tailored comfort, backed by a 25-year warranty and UL certification for safety and reliability.
Best For: homeowners and contractors seeking an easy-to-install, reliable heating solution for small to medium-sized tiled or laminate floors.
Pros:
- Flexible loose-lay cables allow for custom configurations without cutting or shortening.
- Includes a modern touchscreen thermostat with programmable scheduling and safety features like GFCI.
- UL certified, safe for wet locations, and backed by a 25-year warranty for long-term peace of mind.
Cons:
- Limited to 50 sq ft coverage, not suitable for larger areas.
- Requires proper embedding in suitable underlayment, which may add to installation time.
- Cannot cut or modify the heater wire, limiting some customization options during installation.
15sqft Electric Radiant Floor Heating System with Thermostat and Accessories
The 15sqft Electric Radiant Floor Heating System with Thermostat and Accessories is an excellent choice for homeowners seeking a reliable, easy-to-install solution that combines comfort with advanced control features. It includes a 15sqft heating cable, a versatile Prova Flex-Heat membrane, and a programmable touchscreen thermostat with GFCI safety. The membrane offers heating, crack prevention, waterproofing, and load support, making it ideal for various rooms. The thermostat provides intuitive controls, dual sensing, programmable schedules, and energy tracking. Backed by a 3-year warranty and safety certifications, this system delivers efficient, safe, and customizable floor heating for small to medium spaces.
Best For: homeowners seeking a reliable, easy-to-install, and energy-efficient floor heating system for small to medium spaces like bathrooms, kitchens, or basements.
Pros:
- Easy installation with included membrane and accessories, suitable for DIY projects.
- Advanced control features such as programmable schedules, dual sensing, and energy logging for customized comfort.
- High safety standards with GFCI protection, cULus certification, and a 3-year warranty on heating cables.
Cons:
- Heating cable coverage limited to 15 sqft, not suitable for large areas.
- Requires coverage with self-leveler or thinset, which may add to installation time.
- Do not cut or shorten the heating wire, limiting customization during installation.
meross Smart Thermostat with WiFi and Voice Control
For homeowners seeking a versatile and user-friendly smart thermostat, the meross Smart Thermostat with WiFi and Voice Control stands out thanks to its broad compatibility—supporting most HVAC systems except electric baseboard heaters. It works with heating, cooling, heat pumps, and combo systems, requiring a C-wire for installation unless you get the adapter. The thermostat offers customizable 7×24-hour schedules that run even without Wi-Fi, ensuring consistent comfort. It supports Matter technology, allowing easy voice control through Apple Home, Alexa, Google, and SmartThings. Plus, you can remotely manage settings via the app, helping you save energy and stay in control from anywhere.
Best For: homeowners seeking a versatile, easy-to-use smart thermostat compatible with a wide range of HVAC systems and voice platforms.
Pros:
- Supports most HVAC systems except electric baseboard heaters, making it highly versatile
- Offers customizable 7×24-hour scheduling that functions even without Wi-Fi
- Supports Matter technology for seamless voice control through Apple, Alexa, Google, and SmartThings
Cons:
- Requires a C-wire for installation or the purchase of a C-wire adapter, which may complicate setup
- Only compatible with 2.4GHz Wi-Fi networks, limiting connectivity options
- Not suitable for electric baseboard heaters, reducing compatibility for some users
Factors to Consider When Choosing a Smart Thermostat for Underfloor Heating Systems
When choosing a smart thermostat for underfloor heating, I consider factors like compatibility with different flooring types and how easy it is to install. I also look at control options, energy-saving features, and how accurate the temperature sensors are. These points help guarantee I select a device that fits my needs and makes heating more efficient.
Compatibility With Flooring Types
Have you considered whether your smart thermostat is compatible with your flooring type? It’s vital because different flooring materials, like tile, stone, laminate, or carpet, have unique requirements. Make sure the thermostat’s sensors and heating elements are suitable for your specific floor, ensuring peak performance. Check if it supports the voltage and power ratings needed for your electric or hydronic system. Accuracy in regulating temperature at the floor level is essential, especially with dense materials like stone or concrete. Also, verify that the thermostat’s installation method aligns with your flooring, including compatibility with uncoupling membranes or self-leveling compounds. Finally, review manufacturer guidelines to confirm it can handle the heat load safely for your flooring type, preventing potential damage or inefficiency.
Control and Connectivity Options
Choosing a smart thermostat for your underfloor heating system involves more than just matching it to your flooring type; connectivity options play a pivotal role in how conveniently and efficiently you can control your heating. Make sure the thermostat supports your preferred methods, like Wi-Fi, Bluetooth, or Zigbee, for seamless integration into your smart home setup. Check if it offers remote control through an app or web portal, so you can adjust settings from anywhere. Compatibility with voice assistants such as Alexa, Google Assistant, or Apple HomeKit adds hands-free convenience. Also, look for features like scheduling, geofencing, or automation rules that can be triggered via connectivity options. Support for protocols like Matter or IFTTT can improve interoperability between your devices, making your smart home more cohesive and user-friendly.
Installation Complexity Level
The installation complexity of a smart thermostat for underfloor heating largely depends on your existing wiring and system type. Some setups require only minimal wiring adjustments, making DIY installation straightforward. These systems often need a simple C-wire or compatible power accessories. Others, especially more advanced systems with multiple zones or integrated sensors, may involve complex wiring and might require professional help. Compatibility issues with your current wiring or heating system—electric or hydronic—can also affect the difficulty level. Typically, straightforward installations take less than an hour, while more complex setups could take several hours or need expert assistance. When choosing a thermostat, consider your current wiring, system compatibility, and whether you’re comfortable with DIY installation or prefer professional help.
Energy Saving Features
Energy-saving features are essential when selecting a smart thermostat for underfloor heating because they directly impact your energy bills and comfort. Look for models with adaptive scheduling and learning algorithms that automatically optimize heating patterns, reducing unnecessary energy use. Geofencing or proximity sensors can turn down the heat when no one is home, maximizing efficiency. Real-time energy reports and cost estimates help you monitor and manage consumption effectively. Support for room sensors or zone control allows precise temperature management across different areas, preventing over-heating. Certifications like ENERGY STAR indicate that the thermostat meets strict efficiency standards, ensuring you get the most energy-efficient performance. Prioritizing these features helps you save money and reduce your environmental footprint without sacrificing comfort.
Temperature Accuracy and Sensors
Accurate temperature sensors are essential for maintaining consistent underfloor heating because they guarantee the system responds precisely to your comfort preferences. Floor sensors measure the temperature directly at the floor level, ensuring the system heats accurately without overheating or underheating. While air sensors monitor room temperature, they may not reflect the floor’s warmth effectively, potentially causing discrepancies. The accuracy of sensors typically falls within 1°F, but performance varies depending on sensor quality and installation. Using multiple sensors—both floor and air—can improve overall temperature regulation and energy efficiency. When choosing a smart thermostat, prioritize models with high-quality, well-placed sensors that provide precise readings. This ensures your underfloor heating remains comfortable, efficient, and responsive to your needs.
Integration With Smart Home Platforms
When selecting a smart thermostat for your underfloor heating system, considering how well it integrates with your existing smart home setup can make a big difference. Look for models that support popular platforms like Google Home, Amazon Alexa, Apple HomeKit, or Samsung SmartThings for seamless voice control and automation. Check if the thermostat uses standard protocols such as Matter, Z-Wave, or Zigbee, which guarantee compatibility with a wide range of devices and hubs. It’s also important to verify that the device’s app and firmware are regularly updated, adding new integrations and improvements. Additionally, consider whether the thermostat allows scene creation, scheduling, and automation triggers that coordinate with other smart devices. Remote access via an app is also essential for control from anywhere.
Budget and Cost Considerations
Smart thermostats for underfloor heating vary widely in price, typically ranging from about $50 to over $300. Budget models usually provide basic scheduling and remote control, making them suitable for simple setups. Higher-end options often include advanced energy-saving features, integrated sensors, and better app functionality, which can improve efficiency. When choosing a thermostat, consider the long-term savings on energy bills—more expensive models may reduce monthly costs through better optimization. Keep in mind additional expenses like C-wire adapters or installation services if your wiring or system compatibility is limited. Comparing upfront costs with potential energy savings and extra features helps identify the most cost-effective choice for your budget, ensuring you get value without overspending.
Frequently Asked Questions
How Does Smart Thermostat Compatibility Vary With Different Underfloor Heating Types?
When I look at smart thermostat compatibility, I see it really depends on your underfloor heating type. Electric systems often work well with most smart thermostats, while hydronic (water-based) systems might need specific models that support valve control or zoning. I always check the thermostat’s compatibility list and verify it can handle your system’s voltage and control requirements to avoid issues.
Can Smart Thermostats Be Integrated With Existing Home Automation Systems?
I’ve found that most smart thermostats can be integrated with existing home automation systems, but it depends on the compatibility. I always check if they support popular platforms like Alexa, Google Home, or Apple HomeKit. When I set mine up, I follow the manufacturer’s instructions closely, and I often use apps to connect everything smoothly. It really makes controlling my home’s temperature more convenient and seamless.
What Are the Cost Differences Between Various Smart Thermostats for Underfloor Heating?
They say you get what you pay for, and that’s true with smart thermostats for underfloor heating. Prices vary widely—from budget models around $50 to premium options costing over $250. Cheaper thermostats often lack advanced features or robust connectivity, while higher-end ones offer better integration and energy savings. I recommend weighing your needs carefully, as investing a bit more can lead to greater comfort and long-term savings.
How Do Smart Thermostats Affect the Energy Efficiency of Underfloor Heating Systems?
Smart thermostats really boost the energy efficiency of underfloor heating. They learn your schedule, optimize heating times, and adjust temperatures accordingly, so you’re not wasting energy when you don’t need heat. I’ve seen how they reduce energy bills and make heating more responsive. With precise control and remote access, I can customize settings easily, ensuring my system runs efficiently and conserves energy without sacrificing comfort.
Are There Any Safety Concerns When Installing Smart Thermostats on Electric Underfloor Heating?
Think of installing a smart thermostat on electric underfloor heating as adding a vigilant guardian to your home’s comfort. Generally, if you follow the manufacturer’s instructions and use approved devices, safety is guaranteed. I always recommend consulting a qualified electrician to ensure proper wiring and grounding, preventing any electrical mishaps. When installed correctly, these smart devices become a seamless, safe bridge to smarter, more efficient heating.
Conclusion
Choosing the right smart thermostat for your underfloor heating can seem intimidating, but it’s really about matching features to your needs. Even if you’re worried about compatibility or installation, many options are user-friendly and adaptable. With a little research, you’ll find a thermostat that’s easy to install and perfect for your home. Trust me, investing in the right system will keep your floors cozy and your energy bills in check—all without hassle.
