Heaters & Accessories

Best Thermostat for Radiant Floor Heating – Smart Thermostat of 2021

It is difficult to walk barefoot even in the house during winters, right? We feel you! To protect you from that chilling pain, we want to review one beautiful invention known as Underfloor Heating System. The basic fundamental is that after installing this system under the floor, it will automatically maintain the proper temperature of all the floors where you put your leg. Underfloor Heating Thermostats are also known as Radiant Heat Thermostats. So, the technology of underfloor heating or radiant heating is used to heat the floors to reduce the temperature during cold.

Many people across the world have tried heat pumps, but they are not satisfied. The heat from such HVAC systems can circulate hot air and keep the interiors warm, but they are unable to heat the floors to your desired temperature. There are two types of systems available for setting up the Radiant Floor Heating. One is Electric-based, and another one is water-based. Water-based heating is known as Hydronic Radiant Heating.

Best Thermostat for Radiant Floor Heating

This article is all about Electric Floor Heating Thermostats. An electric floor heating system uses electricity to heat the floors. A well-insulated electric nest is installed underneath and typically run on the line voltage of 110V or 240V. You will a line voltage thermostat that will suit your underfloor heating system.

1. Nuheat Home Programmable Thermostat with TouchscreenNuheat Home Programmable Thermostat with Touchscreen

According to our research and customer reviews, Nuheat Home Programmable Thermostat is our #1 choice. This electric underfloor heating system includes a colored, 3.5” touchscreen display. It features dual voltage and compatible with 120V or 240V.  

Key Features and Specifications

  • The high-resolution touchscreen allows easy control and programming of any electric floor heating system.
  • You can program it as per your schedule as this one-week programmable thermostat is flexible. It also reduces energy consumption costs.
  • It monitors the energy you consume every day with your floor heating system. It has a physical on/off switch.
  • The thermostat also includes built-in GFCI – Ground Fault Circuit Interrupter. It protects against the risks of electrocution caused by the current leakage.
  • Its easy-to-use setup wizard will guide you with the primary process. You can also control the temperature of stone floors and wood floors.


2. Honeywell TH115-AF-GA/UHoneywell TH115-AF-GA/U

This model of Honeywell Thermostat for Radiant Floor Heating is one of the most loved and trusted systems to serve your floor heating purposes. It is 7-day programmable and features a floor sensor that provides you better control of temperature.

Key Features and Specifications

  • This thermostat is not suitable for Hydronic Radiant Heating. It is for the electric heating purpose only.
  • The company offers three choices of temperature control in a single thermostat – Ambient, Floor, or both Ambient with Floor temperature limits.
  • It is typically run on the line voltage of 120V. It can take load up to 15A and will not be compatible after that. Before installing the system, make sure that your floor heating system is resistive.
  • The material used in the making of Honeywell TH115-AF-GA/U is hard plastic, and the type of bulb is back-lit LCD.
  • It is easy to use and easy to install that includes a digital display style. It does not need any batteries to run. 


3. SunTouch Command Touchscreen Programmable ThermostatSunTouch Command Touchscreen Programmable Thermostat

This user-friendly floor heat control thermostat displays date, day, and time along with the floor temperature. Because of its 3.5” touch display and multiple color themes, you can easily set and control your floor heating system.

Key Features and Specifications

  • It is equipped with full help screens and programming setup wizard. It is compatible with electric underfloor heating systems up to 15A.
  • Its intuitive one-week plans makes it simple to program floor heating times according to your desire. You can easily monitor it whenever you want.
  • A 15 ft long 10k sensor wire is included in the kit. The connections on the back of the thermostat are clearly labeled.
  • The device offers dual voltage of 120V or 240V and GFCI protection. It also allows the floor and sir senses and compatible with mat and cable systems.
  • The SmartStart Technology automatically adjusts the start time of the system to reach the set temperature at your scheduled time.


4. Nuheat Signature Programmable ThermostatNuheat Signature Programmable Thermostat

This device is one of the latest and smartest thermostats for radiant heat. Unlike other products, it can be operated through a WiFi connection. There is also an app that makes the monitoring and controlling process convenient.

Key Features and Specifications

  • It is accessible via Nuheat iOS and Android app or web portal. You can adjust it anytime based on your schedule.
  • Nuheat Signature Programmable Thermostat integrates with the Nest learning thermostat and controls four systems at the same time.
  • It is a 7-day programmable electric floor heating thermostat. It will give you the flexibility you want. You can program it according to your time.
  • This device reduces energy consumption costs because of its dual 120V or 240V voltage compatibility, an on/off switch, and built-in Class A GFCI protection.
  • Its high-end design offers high gloss borderless acrylic frame and on top of that, a three-year manufacturer’s warranty.


5. Home Floor Heating ThermostatHome Floor Heating Thermostat

If you are looking for the most convenient, user-friendly, and pocket-friendly floor heating thermostat, then this device is a boon. It comes with on/off button, up and down buttons, OK button, as well as a reset button, along with a large LCD. All products are backed by one month of exchange, one year of the maintenance period, as well as lifetime support.

Key Features and Specifications

  • It can give different control for different heating applications. The list also includes a room sensor, floor sensor, or room sensor with floor limitation both.
  • You can set a permanent user setting and program setting. So, even if you have a power cut for a certain period, you can retain the temperature.
  • It comes with an in-built GFCI function that ensures better safety. It does not support millivolt systems currently.
  • It allows 7-day programming, and it can set four different temperatures per day. It is listed in CETL.
  • Its highest capacity of taking load is up to 15A. You can also save a few bucks because of its energy-saving features.


The products mentioned above are our most favorite and Best Thermostat for Radiant Floor Heating. We hope we have provided you some useful pieces of information about the floor heating systems. Also, we hope you have found what you were looking for! 🙂

Susan M. Heckart

Hi, everyone! I'm Susan Heckart, an interior designer and photographer who loves learning about new home appliances and gadgets. In my blog posts, I aim to provide information to help others like me make the most of their homes. Whether reading articles in a cafe or exploring new design ideas, I'm always keen to learn more about how to make our homes more functional and beautiful. Thanks for following along!

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