Wireless thermostats for underfloor heating offer precise temperature control, easy installation, and energy savings. This guide highlights five top options, comparing features like dual sensing, GFCI protection, and smart connectivity to help American homeowners choose the right model for radiant floor systems.
Note: The following quick-reference table summarizes key attributes of the featured products. It helps you compare compatibility, sensing options, and safety features at a glance.
| Product | Brand | Sensing | Voltage | Key Safety/Features |
|---|---|---|---|---|
| Programmable Thermostat for House Radiant Underfloor Heating | BOWSEN | Air & Floor | 120/240V | Built-in GFCI, dual sensors, wide wattage range |
| AC11201 Floor Temperature Sensor | Valorup | Floor | Passive sensor (not a thermostat) | High-precision readings, broad compatibility with Honeywell systems |
| UTN4 Radiant Floor Heat Thermostat | OJ Microline | Air & Floor | 120/240V | Class A GFCI, non-programmable, easy plug-and-play |
| meross Smart Thermostat | meross | Air & Floor (high voltage) | 120/240V | Smart home integrations, voice control, app-based control |
| 6iE Smart WiFi Thermostat | Warmup | Air & Floor | 120/240V | SmartGeo, app control, energy saving, touchscreen |
BOWSEN Programmable Thermostat for Underfloor Heating

This dual-sensing thermostat supports 120V and 240V systems with a maximum 3600W on 240V. It includes a built-in GFCI for occupant protection and offers floor and air sensors for balanced temperature control. The device emphasizes safety with a self-test function and clear guidance on GFCI operation and leakage checks. Its robust wattage range makes it suitable for a variety of radiant floor setups, including larger areas.
OJ Microline UTN4 Radiant Floor Heat Thermostat

The UTN4 is a non-programmable, dual-sensing thermostat designed for simple operation with radiant floor heat. It includes a Class A GFCI and supports 120V and 240V circuits, making it compatible with most in-floor heating installations. The device focuses on reliable performance with straightforward setup, ideal for users who want a clean, plug-and-play solution without programming complexity.
meross Smart Thermostat for Electric Baseboard

The meross thermostat supports 120V-240V high-voltage systems and offers smart home integrations with Apple HomeKit, Alexa, and Google Home. It requires a minimum of four wires in the wall box and provides scheduling and energy-saving features via a mobile app. While it focuses on high voltage compatibility and voice control, it is a strong option for modern homes seeking remote management of underfloor heating.
OJ Microline Touchscreen Thermostat with Dual Sensing

This model features a 3.5-inch color touchscreen and dual sensing (air and floor), along with a built-in Class A GFCI. It supports 120/240V systems and offers seven-day programming in some variants, enabling tailored schedules and efficient energy use. The modern interface and reliable safety features make it a popular choice for contemporary radiant floor installations.
6iE Smart WiFi Thermostat for Underfloor Heating

The 6iE combines a sleek touchscreen, SmartGeo technology, and app control for automatic temperature adjustments based on your location. It’s designed to optimize energy usage without sacrificing comfort and supports both airflow and floor heating control. This option suits homes seeking advanced smart features and remote scheduling across different zones.
VEVOR 7-Day Programmable Thermostat

The VEVOR thermostat offers seven-day programming, compatible with radiant underfloor heating cables and snow-melting systems. It uses floor/indoor sensors and provides clear backlit display for easy operation. Built-in GFCI and sensitive sensors help maintain precise temperature control while supporting energy-efficient operation across varied schedules.
Buying Guide: Key Purchase Considerations
- Compatibility: Verify voltage (120V vs 240V) and heating system type (electric baseboard, radiant floor, or snow-melting). Match sensor needs (air, floor, or dual sensing) to your installation for the most accurate control.
- Safety: Look for built-in GFCI protection and UL/cETL listings. GFCI reduces shock risk and can help prevent electrical fires in floor heating applications.
- Programming vs. Non-Programmable: Programmable models offer precise schedules and energy savings; non-programmable units are simpler and faster to install.
- Smart Features: Consider Wi-Fi or hub compatibility, mobile apps, and voice assistants if you want remote control and automation. Ensure your home network supports the device.
- Sensor Placement: Floor sensors deliver more accurate comfort for radiant floors. Air sensing is useful when a space’s airflow dominates heating needs.
- Ease of Installation: Some units are plug-and-play, while others require wiring and box mounting. Check whether a professional installation is recommended for your setup.
- Safety Testing: If a thermostat includes a GFCI, understand the reset/TEST process and how to diagnose tripping issues to avoid false alarms.