Choosing the Best Thermostat for Radiant Floor Heating

A thermostat for radiant floor heating can improve your comfort level and save the cost on your electricity bill. Even though the market is filled with hundreds of thermostats, not all of them are appropriate for the underfloor heating system. Don’t stress. We have done all the leg work for you and selected 10 thermostats that work well for radiant floor heating.

Without any further ado, let’s begin.

10 Best Radiant Floor Heating Thermostat

Following are the 10 best thermostats for radiant floor heating.

1. SunTouch Command Programmable Thermostat 500850 – Best Basic

Rating: 5/5


  • 7-Day Programmable
  • Dual-Voltage, 15A with built-in GFCI
  • Low profile thin body
  • Colorful touchscreen display
  • Works with both mat and cable system

If you are new to the world of radiant floor heating thermostats and want an easy-to-use yet feature-packed product, then SunTouch might have the right product for you. This radiant floor heating thermostat is basic and contains all the necessary features that one might need in a product like this. So, what are these features you may ask?

To start with, the SunTouch command thermostat is a dual-voltage thermostat. This means, no matter where in the world you live, you can install this thermostat at your home. Secondly, this thermostat is thin and low profile. This might be a great feature for people who want to hide their thermostats. Furthermore, you can even paint the body of this product to camouflage it.

In terms of the technical aspects, the SunTouch command thermostat has a colorful touchscreen. This helps in two ways. First of all, a touchscreen thermostat is easier to use than a device with buttons. Secondly, due to the multicolor feature, you can match the thermostat screen with the background wall.

Finally, as this thermostat is a 7-day programmable it means you can set it and forget it. Feed it with the necessary data regarding your preferred indoor temperature and it will take care of the floor heating for you.

2. SunTouch CORE Non-Programmable Thermostat 500825 – Best Budget Manual & Easy to Use

Rating: 4/5


  • Simple interface
  • Universal voltage, 15A with Built-in GFCI
  • Digital screen

Not everyone has the budget to get the most expensive thermostat in the market. But that does not mean you should get any product that crosses your path. If you are on a tight budget then SunTouch core non-programmable thermostat might be the one for you. However, just because it is inexpensive, does not indicate that it lacks any essential features. On the contrary, you get a product that is worth your money.

Let’s start with the device interface. This thermostat features a digital screen that sometimes means the product is difficult to use. However, do not fret as SunTouch Core is far from being difficult. The digital design makes it easier to control. The screen is simple and shows the temperature. This straightforward approach works best for people who are not as tech-savvy as our younger generation.

In terms of installation, that too is simple and straightforward. As long as you are using this product with a 15A or below heating system, you are good. On top of that, the built-in CFGI (Ground-fault circuit interrupter) offers you additional safety from severe electric shocks and fire. But there’s a catch, because of the non-programmable nature, you would need to change the temperature manually each time.

In conclusion, this thermostat is a budget-friendly option for non-tech savvy people.

3. NuHeat Signature Programmable Thermostat – Best Smart & Premium

Rating: 5/5


  • WiFi-enabled
  • Remote control via NuHeat app or web portal
  • Works with Nest learning thermostat
  • 7-day programmable
  • Dual Voltage with built-in GFCI

Is your house filled with smart devices and you like to refer it to as a “smart home”. Well, in that case, there is no other thermostat that will suit your smart lifestyle better than the NuHeat Signature thermostat. This product is on the expensive side of the radiant floor heating thermostat, however, you get a product that is worth that much money. So, what does this product offers?

Unlike most of the other products on our list, NuHeat is a WiFi-enabled thermostat. So, all you need to do is connect your thermostat with your home network and then you can use it remotely. With a free NuHeat app or web portal visit, you can monitor and change the temperature of your floor heating. But as if that was not enough, NuHeat works with Nest Learning thermostat. Sync the devices and now control both thermostats together. This feature is best for people who work a lot and love devices that save time.

Lastly, the NuHeat thermostat is programmable. If you do not want to keep monitoring the temperature of your house, you can feed in your preferred temperature details. And your thermostat will take care of your heating system from there.

All in all, NuHeat is a smart thermostat that helps you control your radiant heating system remotely.

4. Schluter Ditra Heat E-RT Programmable Thermostat – Best Programmable

Rating: 4.5/5


  • Dual voltage
  • Touch screen
  • User-friendly interface
  • Power consumption tracking
  • 6 programmable period per day, 7-day programmable

Schluter Ditra Heat might work for people who are looking for a convenient and time-saving thermostat but do not want to pay for a smart one. The main reason for saying that is that this product is one of the best programmable thermostats for radiant heating. A most programmable thermostat offers a 7-day scheduling system. Where you input the temperature according to the days of the week. Schluter Ditra Heat offers that and more. With this thermostat, you can create 6 different periods within a day. This helps you program your heating system to the ultimate level and save as much energy as you can.

This leads us to energy consumption. Everyone knows that thermostats in general are useful when it comes to energy saving. But with Ditra Heat you can check how many units of energy you consumed so that you can change your habits to save more.

In terms of ease of use, anyone with a little knowledge of thermostats can use it. Ditra Heat features a touchscreen. The interface is simple and straightforward. The screen shows the temperature of your radiant floor heating system, give you the option to change it manually, or schedule the day. In addition to that, the current date, time, and local city temperature are also visible on the screen.

In conclusion, Ditra Heat offers the optimal scheduling features that help you save time and energy.

5. Schluter Ditra Heat E-WiFi Programmable Thermostat – Best Features

Rating: 4.5/5


  • Remote control
  • LCD touchscreen
  • Dual voltage with built-in GFCI
  • User-friendly interface
  • Programmable

If you are looking for a thermostat with good features at reasonable prices then Schluter Ditra Heat has the perfect product for you. It comes with all of the premium features that one mind needs. To start with, Ditra Heat is WiFi-enabled. This means you can simply connect it with your home network and start monitoring your HVAC system from anywhere in the world using your smartphone. It saves energy and makes the operation convenient. This leads us to the programmability feature. You can feed in your schedule, the thermostat will turn off the heating when you are away and hence lower energy consumption.

Furthermore, this thermostat is easy to use. It features an LCD touchscreen that makes navigation easier. On top of that, all of the necessary features are visible on the main screen. You can change the temperature or schedule the thermostat with just one touch. The date, time, and local temperature are also visible on the screen.

There is a catch. The installation manual is poorly written and difficult to follow. This makes it almost impossible for an average person to install it. All in all, this thermostat is good for people who want a smart thermostat and can afford professional installation.

6. WarmlyYours nSpire Programmable Thermostat – Best Value

Rating: 5/5


  • Dual voltage with built-in GFCI
  • Energy log
  • Child-lock
  • Touchscreen display
  • Programmable with 4 separate temperature events per day

WarmlyYours’ nSpire is a perfect radiant floor heating thermostat for customers who want more features with less money. Yes, this product is not as inexpensive as the most affordable thermostat on our list. However, when you compare the feature with the price, it offers the best value package among all.

To start with, WarmlyYours’ thermostat is dual voltage so anyone can install it in their home regardless of where in the world you live. The built-in GFCI offers extra security. So, you have radiant floor heating in your bathroom or garage then this system will save you from electric shocks and even fire hazards.

Now let’s talk about the display. WarmlyYours offers a reasonable size touchscreen display that is not only easy to use but gives the device its modern look and appeal. The current time, date, HVAC temperature, and outside temperature are visible on the screen. Options for manually changing the temperature or schedule are also right on the screen and easy to access.

In terms of power saving, this thermostat works great if you use scheduling. This is a programmable thermostat so you can program it to turn off the HVAC when you are away. This way you will save energy. Furthermore, WarmlyYours allows the user to set 4 different program events per day that gives you to schedule the HVAC system in extra detail. Furthermore, at the end of every month, you can check the energy consumption to calculate if you are saving energy or not. So, if you want a feature-packed thermostat at a reasonable price, WarmlyYours should be your choice.

7. Honeywell Aube Programmable Thermostat TH115-AF-240S – Best Secured for Bathroom

Rating: 4.5/5


  • Backlit LCD
  • 5 mA GFCI (GA model) and 15 mA EGFPD (GB model)
  • Security alerts
  • Advanced temperature control
  • Three temperature controls; ambient, ambient & floor, and floor

Radiant floor heating is convenient and prevents cold spots in the room. However, when installing floor heating in bathrooms, people get afraid as the electrocution risks are high. If you are looking for a thermostat that offers optimum security then the Honeywell Aube thermostat is perfect. This thermostat is available in two different models, GA and GB. Both are equally secured. One comes with GFCI while the other offers EGFPD. These two pieces of equipment prevent electrocution by cutting off the electricity when they sense any abnormality. In addition to that, the thermostat also offers security alerts. So, you always know if the radiant floor heating is working fine or not.

This product offers more than just a secure environment. Aube thermostats are easy to use and easy to install. It comes with a backlit LCD. This allows the customer to use the device even in low-light places, such as bathrooms. However, the device is not programmable so you would need to check and change the temperature manually.

Furthermore, the thermostat is versatile. You can use it for more than just the floor heating. It works with ambient heating as well. Lastly, the advanced temperature control offers a more accurate heating temperature.

The only downside of this product is that it is not as durable as other thermostats and might stop working after a few years. However, the low price makes it suitable for people under a tight budget.

8. OJ Electronics nHance Programmable Thermostat – Best for Parents

Rating: 4.5/5


  • Programmable
  • Dual Voltage with Built-in GFCI
  • Child lock
  • Digital backlit display

One of the problems couples with young children face is hyperactive kids. Children, in general, are curious creatures, it is fun to be around them and answer their never-ending questions about the world. However, this fun can turn into a nightmare if your kid likes to touch every button in the house and want to know how every electrical appliance works. This can lead to life-threatening situations. OJ Electronics has come up with a solution. This brand cannot teach how your kid to behave but it surely can lessen the risks of damaging your HVAC system.

The one feature that makes OJ Electronics programmable thermostat best for parents is the child-lock. Turn it on and your thermostat is secure. No matter how hard your child tries, they cannot change the temperature of the house without your permission anymore. This thermostat also offers built-in GFCI which is always good if you want extra security from electric shocks and fire hazards.

In terms of the thermostat display, it is digital and easy to use. The clean and user-friendly interface makes changing the temperature or programming it a lot easier. It shows the current time, date, outside temperature, and radiant heat temperature. Furthermore, the screen is backlit so you can use it in low light as well.

The only downside is that this product is not durable, many customers have complaints about how the thermostat stopped working after a few years.

In short, the OJ Electronics thermostat is an easy-to-use product for parents with hyperactive kids.

9. nVent NuHeat Home Dual-Voltage Programmable Thermostat – Best Overall

Rating: 4.5/5


  • Colorful touchscreen
  • 7-day programmable
  • Energy consumption report
  • Dual voltage with GFCI
  • User-friendly interface

The market is filled with high-quality thermostats for radiant floor heating. On one hand, this abundance is handy because you have tons of products to choose from. However, this blessing can easily turn into a curse. If you are tired of reading thermostat reviews and cannot choose one, then don’t worry. This NuHeat thermostat is overall a good product for radiant floor heating and the price range is also moderate for the feature it offers.

Let’s start with the installation process. As this thermostat is dual-voltage, anyone can install it in their house no matter where they are located. Secondly, the built-in GFCI gives additional security. So, even if you have floor heating in your bathroom or garage, you will be safe from electrocution.

In terms of usability, NuHeat is straightforward and easy to use. The 3.5 inches colorful touchscreen makes it easier to navigate the device. All of the necessary features are visible on the screen, everything is one touch away. Furthermore, the current date, time, and outside temperature are also mentioned on the screen.

As this thermostat is programmable, it not only saves your time but also energy. You can simply feed the time and preferred temperature and the thermostat will control your HVAC system accordingly. This way you can program it to turn off the heating when you are away. So, you do not need to monitor or control your system manually. However, if you want to check how much energy your radiant floor heating system has consumed, check the energy consumption report.

The design needs improvement because the bigger body looks tacky. But other than that, this thermostat is perfect for an average user.

10. Aube 7-Day Programmable Line-Voltage Thermostat TH115-AF-120S – Best Budget Line Volt

Rating: 4/5


  • 7 day programmable with 4 time periods per day
  • Three choices of temperature control; ambient, floor, and ambient & floor
  • Sleek design with a lid to hide buttons
  • Digital display
  • User-friendly clean interface

In case you skimmed through all of the other radiant thermostat reviews as you are in search of a line volt thermostat, Aube TH115-AF-120S might be the perfect match for you. This is one of the few radiant floor heating thermostats that offer Line-Volt technology. However, being a line volt thermostat is not the only plus point Aube TH115-AF-120S offers. It is sleek and small. So, if you hate the chunky and heavy-looking devices on your wall, then you will love Aube. Furthermore, the body features a small lid that hides the button and makes the device looks clean.

Moreover, the Aube line volt thermostat is programmable. But unlike most of the other programmable thermostats, this one offers more than just 7-day programmability. Now you can save 4 different periods with different temperatures within each day. The more detailed and in-depth scheduling saves more energy costs than ever.

Lastly, the device is easy to use. The digital screen is not as convenient as the touch screen but it works. The buttons help you navigate and schedule the day easily. And all of the necessary details like temperature, time, and date are visible on the main screen.

The only downside of Aube TH115-AF-120S is that it does not offer GFCI which can be a bummer for many. Other than that, it is a good budget-friendly option for people who are in search of a line volt thermostat.

Buying Guide: Thermostat for Radiant Floor Heating

Types of Thermostats

The first thing you need to decide is what type of thermostat you want for your radiant floor heating. The following types of thermostat available for said purpose;


As the name suggests, this type of thermostat requires manual control.


With a programmable thermostat, you can feed the data in advance regarding your preferred temperature and the thermostat do the work for you.

WiFi Enabled or Smart

This type of thermostat offers the most advanced features, from the remote control to voice command, a smart thermostat offers it all.

User-Friendly Interface

No matter a thermostat is digital, LCD, or touchscreen, a user-friendly interface makes operation easier, better, and faster. A thermostat that features all of the necessary options such as manual temperature control, date, time, etc., on the main screen is the best kind.

Built-in GFCI

GFCI or ground fault circuit interrupter a feature that is considered essential for radiant floor heaters. But what does it do? Well, it is a fats circuit breaker that cuts off the electricity when it detects a ground-fault. In simple words, GFCI saves you from electrocution.

Ease of Installation

Lastly, if you are planning on installing the device on your own, make sure it is easy to install. A product that comes with a detailed manual and all the necessary tools would need less than 30 minutes to set up.

(FAQs) Frequently Asked Questions

What is the best thermostat for radiant heat?

The best thermostat varies from user to user as everyone has their preferences and needs. However, NuHeat Signature Programmable Thermostat is one of the best thermostats available for radiant floor heating as you can control it from anywhere. If you are on a budget then SunTouch CORE Non-Programmable Thermostat 500825 might be the best option for you because even at a reasonable price it comes with all of the necessary functions.

Can I use any thermostat for underfloor heating?

No. There are a few things that make a thermostat appropriate for underfloor heating. First of all, the device has to be compatible with your underfloor heating system. Secondly, the product should include a floor sensor as without it the thermostat would not be able to detect the temperature. If the thermostat has both of these features then you can use it for underfloor heating.

Does Nest thermostat work with radiant floor heat?

Yes, the Nest thermostat is designed to work with most of the 24V systems. So, if your underfloor heating is 24V or below, Nest will work with it. It also works with hydronic floor heating.

What is a good temp setting for a radiant heat floor?

21 degree Celsius or 68-69 degree Fahrenheit is a good temperature setting for underfloor heating.


With that, we are at the end of the discussion. A thermostat is necessary when it comes to under-floor radiant heating. But instead of selecting the first product that crosses your path, choose one that suits your needs, this ensures an overall better experience. Hope you find the best thermostat for radiant floor heating.