Floor Heating Thermostats

Choose from WarmlyYours' complete line of radiant floor heating thermostats—from the WiFi nJoy with Alexa & Google support to the programmable nSpire Touch and the simple non-programmable nTrust. Every thermostat includes built-in GFCI protection, a precision floor sensor, and 24/7 technical support.

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Every WarmlyYours Thermostat Includes

3‑Year Warranty Confidence built in—every thermostat is backed by 3 years of protection.

24/7 Installation Support Real humans, real help, around the clock—whenever you need us.

cULus Listed Every WarmlyYours thermostat is independently safety-certified by UL—code-compliant for residential and light-commercial use in the U.S. and Canada.

Class A GFCI Listed Built-in Class A GFCI protection meets UL 943 and NEC requirements for electric floor heating—no separate GFCI breaker needed.

Floor Heating Thermostats Comparison

Compare features across all available thermostat options to find the perfect control for your radiant floor heating system.

Features

WiFi-Enabled

Remote Troubleshooting/Updates

Voice Assistant Compatible

Programmable

Schedules

Floor Sensor Included

Display

Max Load

nJoy WiFi LED Touch Programmable Thermostat

WiFi + Alexa / Google / HomeKit

UWG5-4999-WY

$249

Up to 10 schedules

LED touch

15A @ 120/240V

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nSpire Touch Programmable Thermostat

Touchscreen, no WiFi needed

UDG4-4999

$259

Up to 6 per day

3.5" color touchscreen

15A @ 120/240V

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nTrust 2.0 Touch Nonprogrammable Thermostat

Simple set-and-hold control

UTN5-4999

$159

Set-and-hold

LED touch

15A @ 120/240V

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Free Expert Help

Not Sure Which Thermostat Is Right for You?

Our radiant experts have helped over 100,000 customers find the right floor heating thermostat. Get personalized advice—free, typically within one business day.

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Thermostat Accessories

Complete your installation with the right accessories—power module for high-load zones, a replacement floor sensor, and electrical rough-in kits that meet local code requirements.

nJoin 2.0 Power Module with Class A GFCI

USG5-4000

Used with thermostat to increase electrical output in 15 amp increments for heating larger areas.

Great for Large Projects: This device helps your main radiant heating thermostat handle larger projects

Sleek and Modern Design: This updated power module represents the fusion of form and function

Extensive Compatibility: Works with current (nJoy and nTrust 2.0) and previous (nSpire Touch WiFi, nSpire Touch, nTrust and nHance) thermostats

Two Connectors with Screw Terminals: These help make final connections in the field easier and safer

Safety Assured: cULus listed with a built-in GFCI for peace of mind
$149
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Replacement/Backup Floor Sensor with Standard Sensor Probe, 15' Long, 10k Ohms

FH-BACKUP-SENSOR

This 10k ohms replacement/backup floor sensor, with a standard sensor probe, works with all floor heating controls available from WarmlyYours, including the nSpiration Series. It’s compatible with any electric floor heating thermostat that accepts 10k ohms sensors. It works to accurately sense the temperature... (FH-BACKUP-SENSOR)

$12
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Electrical Rough-in Kit Single Gang Box without Conduit

FHE-ROUGH-IN-KIT-S1

Every project is different. This kit was developed for projects in which the local electrical code does not require conduit for the low-voltage sensor wire or the power leads. It includes everything that an electrician will need for installing and connecting a thermostat with an electric radiant heating system.... (FHE-ROUGH-IN-KIT-S1)

Comprehensive kit for easy installation

Perfect for DIY and professional use

Ensures safe thermostat setup

Ideal for floor heating systems

Includes all necessary components
$29
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Electrical Rough-in Kit Single Gang Box with Single Conduit

FHE-ROUGH-IN-KIT-S2

Getting the job done correctly has never been easier with this complete electrical kit. It contains everything an electrician needs to install and connect a thermostat with an electric radiant heating system in accordance with National Electric Code. Items Included: • 3” X 2” X 3 ½” Single-Gang Box • (25) 3/16" or... (FHE-ROUGH-IN-KIT-S2)

Comprehensive kit for easy installation

Perfect for DIY and professional use

Ensures safe thermostat setup

Ideal for floor heating systems

Includes all necessary components
$49
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Electrical Rough-in Kit Single Gang Box with Double Conduits

FHE-ROUGH-IN-KIT-S3

This is a great option for areas where the local code requires a separate conduit for low-voltage wires.

Comprehensive kit for easy installation

Perfect for DIY and professional use

Ensures safe thermostat setup

Ideal for floor heating systems

Includes all necessary components
$59
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Which Floor Heating Thermostat Is Right for You?

The right radiant floor heating thermostat depends on how you live and what level of convenience you want.

WiFi Smart Control

Ideal for tech-forward homeowners who want to schedule, monitor, and adjust floor temperatures remotely via smartphone, Alexa, or Google Home. The nJoy WiFi thermostat is our top pick for new builds and smart-home integrations.

Programmable Touchscreen

Set daily and weekly schedules so warm floors are ready when you wake up—without paying to heat an empty room. The nSpire Touch programmable thermostat gives you intuitive control with a large backlit display.

Simple Non-Programmable

For vacation homes, rental units, or anyone who just wants reliable on/off control. The nTrust non-programmable thermostat is the most straightforward choice—GFCI protected, easy to install, and built to last.

All WarmlyYours thermostats include a precision floor temperature sensor, built-in Class A GFCI protection, and support both 120V and 240V heating systems. Not sure which to choose? Our thermostat support page and free installation guides can help.