Imagine stepping onto a perfectly warm floor on a chilly morning. That’s the magic of underfloor heating! But to get that cozy warmth just right, you need the right thermostat. It’s like the brain for your whole heating system.
Choosing an underfloor heating thermostat can feel like a puzzle. There are so many types, with different features and prices. Do you need a simple one, or one you can control with your phone? It’s easy to feel a little lost when you’re trying to make sure your home stays warm and your energy bills don’t go sky-high.
Don’t worry! This blog post is here to help. We’ll walk you through everything you need to know. By the end, you’ll understand the different kinds of thermostats available and how to pick the best one for your home and your budget. Get ready to say goodbye to guesswork and hello to perfect comfort!
Our Top 5 Underfloor Heating Thermostat Recommendations at a Glance
Top 5 Underfloor Heating Thermostat Detailed Reviews
1. Programmable Thermostat for House Radiant Underfloor Heating
Rating: 9.2/10
Upgrade your home’s comfort and safety with this advanced Programmable Thermostat for Radiant Underfloor Heating. This smart controller is designed to efficiently manage your home’s heat mat systems, offering precise temperature control and peace of mind. It adapts to your home’s needs, ensuring a warm and cozy environment while helping you save on energy costs.
What We Like:
- Works with both 120V and 240V systems, offering broad compatibility.
- Features a built-in Class A GFCI for enhanced safety, protecting against electric shock.
- Dual sensing (air and floor) allows for more accurate and responsive temperature regulation.
- 7-day programmable scheduling helps optimize comfort and reduce energy bills.
- Large, backlit LCD display makes it easy to read and use in any lighting.
- Includes a 5-year limited warranty for added assurance.
- The ON/STANDBY switch provides easy shut-off at the end of the heating season.
What Could Be Improved:
- The GFCI function requires the thermostat’s relay to be actively working to test.
- While the GFCI alarm can be turned off in a hidden menu, it might be helpful to have a more accessible override for troubleshooting.
This thermostat is a smart investment for anyone looking to enhance their underfloor heating system’s performance and safety. It offers excellent control and features for a more comfortable and secure home.
2. SunTouch SunStat ConnectPlus Touchscreen Programmable Smart Voice-Activated Wi-Fi Thermostat for Electric Floor Heating Systems
Rating: 8.6/10
The SunTouch SunStat ConnectPlus is a smart thermostat designed for electric floor heating systems. It allows you to control your home’s warmth from anywhere using your smartphone. This thermostat boasts a modern look with a large touchscreen, making it easy to use and a stylish addition to any room.
What We Like:
- Smart & Connected: Control your floor heating remotely via the Watts Home app.
- Intelligent Heating: SmartStart technology ensures your floors are warm when you want them to be.
- Sleek Design: A 4.3-inch touchscreen with a slim profile looks great on your wall.
- Feature-Rich: Offers floor and air sensing, 7-day scheduling, energy monitoring, and more.
- Voice Control: Works with Alexa and Hey Google for hands-free adjustments.
- Floor Protection: Includes floor max settings to safeguard different flooring types.
- Weather Aware: Displays outdoor temperature and weather forecasts.
What Could Be Improved:
- Installation Complexity: While powerful, some users might find initial setup requires a bit more technical know-how.
- App Updates: Like many smart devices, consistent app updates are necessary for optimal performance.
The SunTouch SunStat ConnectPlus offers advanced control and convenience for your electric floor heating. It’s a smart investment for a more comfortable and efficient home.
3. Honeywell TH115-AF-GA/U Radiant Heating 120/240V Programmable Thermostat with Floor Sensor and GFCI
Rating: 9.3/10
The Honeywell TH115-AF-GA/U Radiant Heating Thermostat is a smart way to control your home’s floor heating. It works with electric radiant floor systems and lets you set a schedule for your comfort. This thermostat is designed to be easy to use and helps save energy by only heating when you need it.
What We Like:
- It offers three ways to control your floor’s temperature: just the room air, just the floor, or the room air with a limit on how warm the floor gets.
- The 7-day programming lets you create a custom heating schedule for each day of the week, so your home is warm when you want it and saves energy when you don’t.
- It includes a floor sensor, which is important for accurate temperature control of radiant floors.
- The built-in GFCI protection adds an extra layer of safety for your electrical heating system.
- It’s compatible with both 120V and 240V systems, making it versatile for different homes.
What Could Be Improved:
- The interface might take a little time to get used to for some users.
- While it’s a great thermostat, the initial setup might require some basic wiring knowledge.
This Honeywell thermostat is a solid option for anyone looking for efficient and comfortable radiant floor heating. It provides flexibility and control to keep your home cozy.
4. MAXKOSKO WiFi Smart Thermostat for Electric Floor Warming System with Touchscreen LED Display 120V/240V
Rating: 8.9/10
Step into a world of cozy comfort with the MAXKOSKO WiFi Smart Thermostat. This sleek, white thermostat is designed to bring effortless warmth to your electric floor heating system. Its easy-to-use touchscreen and smart features make managing your home’s temperature a breeze, whether you’re at home or on the go.
What We Like:
- Control your floor heating from anywhere using your smartphone with smart remote control.
- Works with Alexa and Google Assistant for easy voice commands.
- Set custom schedules to save energy and ensure comfort when you need it.
- Compatible with most underfloor heating systems for a versatile solution.
- User-friendly design with a simple “Smart Life” app for setup and insights.
- Easy DIY installation with a clear manual and a 15 ft floor sensor included.
What Could Be Improved:
- While the app offers energy usage insights, more detailed historical data could be beneficial.
- The “Smart Life” app, while functional, could offer more advanced customization options for power users.
The MAXKOSKO WiFi Smart Thermostat offers a fantastic blend of convenience and energy efficiency for your floor heating system. It’s a smart investment for a warmer, more comfortable, and cost-effective home.
5. OJ Microline UDG4 Touchscreen Programmable Floor Thermostat w/Class A GFCI – 120/240v in Floor Heating Thermostat – Dual Sensing – Includes Flooring Sensor – 3-Year Warranty & USA Product Support
Rating: 9.4/10
Upgrade your home’s comfort with the OJ Microline UDG4 Touchscreen Programmable Floor Thermostat. This smart thermostat makes managing your radiant floor heating system a breeze. It’s designed for various floor types like tile, marble, carpet, and even wood. Plus, it has a built-in safety feature, the Class A GFCI, to keep your family safe.
What We Like:
- It has a bright, easy-to-read 3.5-inch color touchscreen.
- The 7-day programming helps save energy and money.
- It learns your habits with its Adaptive function for perfect temperatures.
- Dual sensing means it checks both the air and floor temperature.
- Safety features like Child Lock and Wet Room certification are included.
- It comes with a 3-year warranty and US-based support.
- It works with both 120V and 240V systems.
What Could Be Improved:
- While the interface is intuitive, some users might prefer even simpler controls for basic functions.
- The power logging feature, while useful, requires a PC or mobile device for full access.
This thermostat offers a smart way to enjoy cozy floors while keeping energy bills in check. Its advanced features and user-friendly design make it a top choice for any modern home.
Your Guide to Choosing the Best Underfloor Heating Thermostat
What is an Underfloor Heating Thermostat?
An underfloor heating thermostat is like the brain of your warm floor system. It controls when your heating turns on and off. This keeps your home at the perfect temperature. It also helps you save energy and money.
1. Key Features to Look For
Smart Connectivity
Some thermostats can connect to your Wi-Fi. This lets you control your floor temperature from your phone. You can adjust it even when you’re not home. This is super convenient. It helps you save energy by turning the heat down when you’re away.
Programmable Schedules
Look for thermostats that let you set a schedule. You can tell it when you want the floor to be warm. For example, you can set it to be warm in the morning. You can also set it to be cooler at night. This makes your life easier. It also saves energy.
Touchscreen Display
A clear touchscreen makes it easy to use. You can see the temperature easily. Adjusting settings is simple. It makes the thermostat look modern too.
Learning Capabilities
Some advanced thermostats can learn your habits. They figure out when you’re usually home. They adjust the temperature automatically. This is a really smart feature.
Zone Control
If you have different rooms with underfloor heating, zone control is great. It lets you set different temperatures for each room. This gives you more comfort and control.
2. Important Materials
Durable Plastics
Most thermostat casings are made from strong plastics. These plastics should feel sturdy. They shouldn’t feel cheap or flimsy. Good quality plastic lasts a long time.
Glass or High-Quality Screen
The display screen is important. A glass screen often looks better. It’s also easier to clean. Make sure the screen is bright and easy to read.
Reliable Internal Components
The parts inside the thermostat matter most. Good quality electronics ensure it works correctly. It should last for many years without problems.
3. Factors That Improve or Reduce Quality
Ease of Installation
A thermostat that is easy to install is a big plus. Clear instructions help a lot. If it’s hard to install, it can be frustrating.
User Interface
How easy is it to use the thermostat? A confusing menu makes it hard to set schedules. A simple and intuitive interface makes it a joy to use.
Energy Efficiency Ratings
Some thermostats have energy efficiency labels. These can tell you how well they help you save energy. Look for thermostats that help reduce your bills.
Build Quality
Feel the thermostat. Does it feel solid? Are there any loose parts? A well-built thermostat will last longer. A poorly built one might break easily.
4. User Experience and Use Cases
Homeowners
For homeowners, an underfloor heating thermostat is a game-changer. It makes homes cozy and comfortable. Smart features let you control the heat from anywhere. This is great for busy families.
Rental Properties
In rental properties, programmable thermostats can help save energy. Landlords can set limits. Tenants can still enjoy comfortable floors.
New Builds and Renovations
When building a new home or renovating, installing an underfloor heating thermostat is smart. It adds comfort and value to your property.
Choosing the right thermostat is important. It will keep your home warm and help you save money. Think about what features are most important to you. A good thermostat will make your underfloor heating system work its best.
Frequently Asked Questions (FAQ)
Q: What is the main job of an underfloor heating thermostat?
A: Its main job is to control the temperature of your underfloor heating. It turns the heat on and off to keep your room at the right temperature.
Q: Do I need a special thermostat for underfloor heating?
A: Yes, you need a thermostat designed for underfloor heating systems. These thermostats are built to work with the specific way underfloor heating works.
Q: How does a programmable thermostat save me money?
A: It saves you money by letting you set schedules. You can turn the heat down when you’re not home or when you’re sleeping. This uses less energy.
Q: Can I control my underfloor heating thermostat with my phone?
A: Yes, many modern thermostats connect to Wi-Fi. This allows you to control them using a smartphone app.
Q: What is zone control?
A: Zone control means you can set different temperatures for different rooms. For example, you can have the bathroom warmer than the living room.
Q: How do I know if a thermostat is good quality?
A: Look for solid build quality, a clear and responsive screen, and good reviews from other users. Easy installation is also a good sign.
Q: Do I need a professional to install my thermostat?
A: For most people, yes. Electrical work can be dangerous. It’s best to have a qualified electrician install it to ensure it’s done safely and correctly.
Q: How often should I replace my underfloor heating thermostat?
A: Underfloor heating thermostats can last for many years, often 10 years or more. Replacing it is usually only needed if it stops working or if you want to upgrade to a smarter model.
Q: Can I use a regular room thermostat with underfloor heating?
A: No, you should not use a regular room thermostat. Underfloor heating systems require specific thermostats that are designed to work with the heating mat or cable.
Q: What are the benefits of a smart thermostat for underfloor heating?
A: Smart thermostats offer convenience through phone control, energy savings through learning and remote adjustments, and often provide detailed energy usage reports.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.




