A bathroom floor heating system can make cold tile more comfortable, but the right kit depends on the area you want to heat, your electrical supply, and how you plan to install the finished floor. These five electric options range from adhesive mats to flexible cable-and-membrane kits, with different coverage sizes and thermostat features. Measure the open floor area first, then compare the system’s voltage, installation requirements, and controls.
Table of Contents
Quick Comparison
| Product | Coverage | Voltage | Notable feature | Best suited for |
|---|---|---|---|---|
| BLARALA 100 Sq. Ft. Heating Mat | 100 sq. ft. | 120V | Programmable thermostat and flexible mat layout | Medium to larger areas with 120V supply |
| LuxHeat 150 Sq. Ft. Cable Kit with Membrane | 150 sq. ft. cable; 170 sq. ft. membrane | 120V | Prova Flex-Heat membrane and touchscreen thermostat | Tile projects needing a cable-and-membrane setup |
| LuxHeat 200 Sq. Ft. Heating Mat | 200 sq. ft. | 240V | Large self-adhesive mat and programmable thermostat | Large floor areas with a suitable 240V circuit |
| LuxHeat 35 Sq. Ft. Cable Kit with WiFi | 35 sq. ft. cable; 50 sq. ft. membrane | 120V | WiFi touchscreen thermostat and uncoupling membrane | Small bathrooms and targeted floor zones |
| LuxHeat 50 Sq. Ft. Heating Mat with WiFi | 50 sq. ft. | 120V | Self-adhesive mat and WiFi thermostat | Small to medium areas with remote-control needs |
Our Picks: Best Bathroom Floor Heating System reviews
BLARALA 100 Sq. Ft. Mat: A Flexible 120V Option for Bigger Bathrooms
The BLARALA kit pairs a 100-square-foot, 120V heating mat with a programmable thermostat, floor sensor, and cable monitor/alarm. The thermostat offers four operating modes, air and floor sensing, child lock, and overheat protection. The listed system draws 10 amps and provides 12 watts per square foot.
The mat is designed to be cut, flipped, or rotated to fit the heated layout. That refers to adjusting the mat, not cutting its heating cable: the cable must not be cut or shortened. Its adhesive backing is intended to help hold the mat flat on the subfloor. The supplied description lists tile, laminate, and other flooring as possible applications, but you should confirm that your chosen floor and installation layers are approved in the full instructions.
Its main advantage over the smaller LuxHeat mats is coverage at 120V, which may suit a bathroom or adjacent floor area with more open space. The trade-off is that a 100-square-foot mat can be too large for many bathrooms. Measure the floor area that can actually be heated, accounting for fixtures and permanent objects, before choosing a kit.
Pros:
- 100-square-foot coverage on a 120V system
- Programmable thermostat with both air and floor sensors
- Mat can be repositioned to fit the planned layout
Cons:
- The heating cable must not be cut or shortened
- May provide more coverage than a small bathroom needs
Verdict: Choose the BLARALA if you need a sizable 120V mat and want a programmable thermostat, but verify the usable floor area and installation requirements before ordering.
LuxHeat 150 Sq. Ft. Cable Kit: A Membrane-Based Tile System
This LuxHeat kit uses a 150-square-foot, 120V heating cable rather than a pre-spaced heating mat. It includes a 170-square-foot Prova Flex-Heat uncoupling membrane, a programmable touchscreen thermostat, a floor sensor, an alarm, and a wood float for membrane installation. The cable is rated at 12 watts per square foot when installed at the specified three-inch spacing.
The membrane is the distinguishing part of this package. The manufacturer describes it as a way to combine heating with uncoupling, waterproofing, and load support for tile installations. The heating wire must be covered with self-leveler or thinset, and the cable must not be cut or shortened. Because the layout is built from cable, careful planning and following the installation instructions are especially important.
The thermostat includes a GFCI, dual sensing, child lock, power logging, and a seven-day schedule with four events. The kit is a more involved choice than a simple mat, but it may make sense when you want the included membrane as part of a tile-floor assembly. Its 150-square-foot cable coverage is likely excessive for many standard bathrooms, so check the room layout and electrical plan before selecting it.
Pros:
- Includes a membrane, thermostat, sensor, alarm, and installation float
- 120V cable system covers up to 150 square feet at the specified spacing
- Programmable touchscreen thermostat has GFCI and dual sensing
- Manufacturer lists a 25-year cable warranty and 50-year membrane warranty
Cons:
- Heating wire cannot be cut or shortened
- Requires embedding the wire in self-leveler or thinset
Verdict: This kit is a strong match for a larger tile project where the included uncoupling membrane is useful; for a small bathroom, its coverage and installation scope may be more than you need.
LuxHeat 200 Sq. Ft. Mat: High Coverage for a 240V Installation
This is the largest mat in the lineup, with 200 square feet of coverage on a 240V circuit. The kit includes a self-adhesive mat, cable monitor/alarm, and a programmable OJ Microline thermostat with a floor sensor and built-in GFCI. At 12 watts per square foot, the listed system draws 10 amps and uses 2,400 watts.
The mat is pre-spaced at three inches and can be turned, flipped, or rotated to shape the layout. Its mesh and double-sided tape are intended to help it adhere to the subfloor. The heating wire itself must not be cut or shortened, and it needs to be embedded in an approved self-leveling underlayment, thinset, or mortar. The manufacturer lists the cable as safe for wet locations and includes a 25-year limited warranty.
For a typical bathroom, 200 square feet may be far more coverage than required. This kit is better considered for a large bathroom or a broader floor project, and only where the electrical supply and installation plan support 240V. Unlike the cable kits with membrane, this package is a mat system and does not list an uncoupling membrane as included.
Pros:
- Largest listed mat coverage in this comparison
- Programmable thermostat includes floor sensing and GFCI protection
- Mat can be repositioned to suit the floor plan
- Manufacturer lists a 25-year limited warranty
Cons:
- Requires a suitable 240V installation
- Large coverage may not fit a standard bathroom’s open floor area
Verdict: Pick this LuxHeat mat for a genuinely large heated area with a compatible 240V supply, not simply because it offers the most coverage.
LuxHeat 35 Sq. Ft. Cable Kit: Compact Coverage with WiFi Control
This compact LuxHeat package includes a 35-square-foot, 120V heating cable and a 50-square-foot Prova Flex-Heat membrane. It also comes with an OJ Microline UWG5 WiFi touchscreen thermostat, floor sensor, alarm, and wood float. The cable is rated at 420 watts and 3.5 amps, with coverage based on three-inch spacing.
The membrane is intended for a tile-floor assembly and is described by the manufacturer as providing uncoupling, waterproofing, and load support. The heating wire must be covered with self-leveler or thinset; it cannot be cut or shortened. The thermostat adds app connection and voice control, along with air and floor sensing and scheduling. These controls are useful if you want remote access, though the system’s app features may not matter if you prefer a basic wall control.
Compared with the 50-square-foot LuxHeat mat, this kit uses flexible cable and includes a membrane. That brings more layout flexibility, but also more installation steps. Its small coverage makes it worth considering for a compact bathroom or a defined comfort zone, provided the cable layout suits the clear floor area.
Pros:
- Compact 35-square-foot cable coverage for smaller spaces
- Includes a 50-square-foot uncoupling membrane
- WiFi touchscreen thermostat supports app and voice control
- Manufacturer lists a 25-year cable warranty and 50-year membrane warranty
Cons:
- Heating cable cannot be cut or shortened
- Wire needs to be covered with self-leveler or thinset
Verdict: Choose this kit when you want a compact, customizable cable layout with WiFi control and plan to use the included membrane in a tile installation.
LuxHeat 50 Sq. Ft. Mat: A WiFi-Enabled Pick for Smaller Floor Areas
This 50-square-foot LuxHeat kit is a self-adhesive mat system for a 120V installation. The package includes a cable monitor/alarm and an OJ Microline UWG4 WiFi programmable thermostat with a floor sensor and built-in GFCI. The listed output is 600 watts, or 12 watts per square foot.
The three-inch-spaced mat can be cut and repositioned to fit a layout, but the heating wire must never be cut or shortened. It needs to be embedded in self-leveler, thinset, or mortar. The WiFi thermostat supports remote control and monitoring, a seven-day program, child lock, and power logging. The manufacturer lists the cable as safe for wet locations and provides a 25-year limited warranty.
Compared with the 35-square-foot LuxHeat cable kit, this mat offers more coverage and a simpler mat-based layout, but it does not list an uncoupling membrane in the package. It can be a practical middle ground if your open bathroom floor area is close to its coverage and you want remote thermostat control.
Pros:
- 50-square-foot coverage on a 120V system
- WiFi thermostat offers remote control and monitoring
- Self-adhesive mat can be repositioned for the layout
- Thermostat includes GFCI and floor sensing
Cons:
- Heating wire must not be cut or shortened
- Does not list an uncoupling membrane as included
Verdict: This is a sensible option for a small or medium bathroom where 50 square feet is an appropriate heated area and WiFi control is a priority.
How to Choose a Bathroom Floor Heating System
Measure the floor you can actually heat
Start with the open floor area, not the bathroom’s total square footage. Toilets, vanities, tubs, and other fixed fixtures affect where a heating mat or cable can go. Compare the layout you can heat with the product’s stated coverage, and follow the manufacturer’s spacing and clearance instructions. A kit that is too large is not automatically a better choice.
Check voltage and electrical capacity
These systems are not all interchangeable: four options here are 120V, while the 200-square-foot LuxHeat mat is 240V. Confirm the electrical supply and circuit requirements before buying. Have a qualified electrician assess the installation if you are unsure, and follow local electrical rules and the product instructions.
Choose a mat or a cable system
A mat can make it easier to plan a regular layout, while loose cable allows more freedom around an irregular floor plan. Neither type should be cut through its heating wire. Mat products may allow you to turn or reposition the mesh, while cable kits require the wire to be placed at the specified spacing. Read the installation guide so you know what adjustments are allowed.
Consider the floor assembly and included membrane
Some kits include an uncoupling membrane, while others provide a heating mat without one listed in the package. The LuxHeat cable kits in this comparison include Prova Flex-Heat membrane and require the heating wire to be covered with self-leveler or thinset. Other products specify embedding the heating wire in an approved underlayment, thinset, or mortar. Check compatibility with your flooring, subfloor, and installation method before starting.
Compare thermostat controls and safety features
Thermostats in these kits vary. Some offer programmable schedules, dual air and floor sensing, child lock, power logging, WiFi, or app and voice control. A built-in GFCI is listed for several models. Decide which features you will use, and confirm the thermostat and system meet the requirements for your installation. Do not treat a thermostat feature as a replacement for proper installation or electrical protection.
Plan for installation and warranty requirements
Radiant systems are installed beneath the finished floor, so planning the layout and testing the system at the required stages matters. Follow the supplied instructions, protect the heating wire from damage, and use a qualified installer if the work is outside your experience. Warranty terms differ by product and component, so read the applicable warranty details before purchase.
FAQs
Can a bathroom floor heating system be installed under tile?
These products are intended for installation beneath flooring, and several specifically describe tile use. The proper underlayment and covering method depend on the kit. Check the installation guide and confirm that all layers are compatible with your tile and subfloor.
Can I cut the heating cable to fit my bathroom?
No. The product descriptions warn against cutting or shortening the heating wire. Some mats can be cut, turned, or repositioned, but that means adjusting the mat or mesh without cutting the cable. Follow the product’s instructions closely.
Should I choose 120V or 240V?
Choose a system that matches the electrical supply and circuit available for your project. Most options here are 120V; the 200-square-foot LuxHeat mat is 240V. Have an electrician verify what your bathroom can support before you buy.
Do these systems heat the whole bathroom?
They heat the floor area covered by the installed mat or cable. Coverage is not the same as total room size, since fixtures and layout affect where heating can be placed. These products are described as floor-heating systems; do not assume they replace your home’s main heating system.
Which option is best for a small bathroom?
The 35-square-foot LuxHeat cable kit is the smallest listed option and includes a membrane and WiFi thermostat. The 50-square-foot LuxHeat mat may suit a small or medium bathroom if its coverage matches the open floor area. Measure first and compare the installation styles.
Do any of these kits include WiFi control?
Yes. The LuxHeat 35-square-foot cable kit includes an OJ Microline UWG5 WiFi thermostat, and the LuxHeat 50-square-foot mat includes an OJ Microline UWG4 WiFi thermostat. The other listed kits include programmable thermostats, but their supplied descriptions do not list WiFi.
Final Recommendation
For many smaller bathrooms, the LuxHeat 50-square-foot mat is a balanced choice if you want a 120V system, a programmable WiFi thermostat, and a straightforward mat layout. Choose the 35-square-foot LuxHeat cable kit instead if you want a smaller, more flexible cable layout and value the included membrane. For larger projects, consider the BLARALA 100-square-foot mat or the LuxHeat 150-square-foot cable kit, while the 200-square-foot LuxHeat mat is best reserved for a large area with a compatible 240V supply. In every case, match the coverage to the open floor, confirm the electrical requirements, and follow the installation instructions.
