WS3008-120B

WarmStep® Electric Radiant Floor Heating Mat 120V 1.8A 24sqft (8ft x 36in) 9W/sqft

Need a different voltage or size? Shop all WarmStep Mat Sizes
$576.55 $317.10 Save 45%
What are WarmStep® Electric Floor Heating Mats?
WarmStep® Electric Floor Heating Mats are designed to add comfortable warmth beneath a wide range of finished flooring types, including wood, laminate, engineered wood, vinyl, carpet. Floor heating mats can be installed with floating floors, glue down floors, and nail down floors. It uses ThermoSoft’s FiberThermics® heating technology in a thin low profile mat format. It is the only non-embedded in cement heating mat which significantly saves you on installation costs, labor, time and materials.
Are WarmStep® Electric Floor Heating Mats safe for homes and businesses?
Yes. WarmStep® Electric Floor Heating Mats are designed as a safe electric floor heating solution for residential and commercial spaces. ThermoSoft floor heating systems go through development and quality control testing, and WarmStep® Electric Heating Mats use patented FiberThermics® heating technology with built in safety features.
What floor types can WarmStep® Electric Floor Heating Mats be used under?
WarmStep® Electric Floor Heating Mats can be used under many finished flooring types, including solid wood, laminate, engineered wood, vinyl, carpet. It can be installed with floating floors, glue down floors, and nail down wood. For vinyl and other flexible flooring, confirm thickness and flooring manufacturer requirements before installation.
How are WarmStep® Electric Floor Heating Mats installed?
WarmStep® Electric Floor Heating Mats install directly beneath the finished flooring. It does not require embedding in cement before installation. Depending on the project, the floor may be glued down, nailed down, or floated over the WarmStep Heating mats with an approved underlayment. WarmStep Heating Mats are wired in parallel to a compatible floor heating thermostat. Always follow the ThermoSoft installation manual and have final electrical connections completed by a licensed electrician.
Will WarmStep® Electric Floor Heating Mats add height to my floor?
WarmStep® Electric Floor Heating Mats are approximately 1/16 inch thick, so it is designed to add very little height to the floor assembly. Its low profile helps reduce height transitions between heated and non-heated areas.
Can WarmStep® Electric Floor Heating Mats be used with flooring adhesives?
Yes. WarmStep® Electric Floor Heating Mats use a permeable fabric designed to work with approved adhesive methods. For glue down installations, use adhesives and trowel methods that are approved for the flooring material and ThermoSoft's WarmStep® installation method. Always consult the WarmStep® installation manual.
What is the double glue installation method?
For glue down installations, a thin layer of adhesive is applied to the subfloor, the WarmStep® Electric Floor Heating Mats are placed into that layer, and the finished flooring is installed with the normal adhesive schedule over the mat. The adhesive permeates the WarmStep mat and bonds through the floor assembly.
Can troweling adhesive damage WarmStep® Electric Floor Heating Mats?
A normal adhesive application should not damage the heating element of the WarmStep mat when installation instructions are followed. Use care with metal trowels and follow the adhesive and flooring manufacturer requirements because installation damage is not covered by ThermoSoft's warranty.
Can WarmStep® Electric Floor Heating Mats be used for nail down flooring?
Yes. WarmStep® Electric Floor Heating Mats are designed for direct nail down wood flooring when installed correctly. The heating cable layout creates spaces where fasteners can be placed safely. Never drive a nail, cleat, or staple through a heating cable.
Can I use more than one WarmStep® Electric Floor Heating Mat in a room?
Yes. Most projects use multiple WarmStep Heating Mats to cover the heated area. The mats are laid out together and wired in parallel to the thermostat. They must not be daisy chained or extended in series electrical connection.
Can WarmStep® Electric Floor Heating Mats be cut or shortened?
No. WarmStep® Electric Floor Heating Mats should never be cut, shortened, reshaped, or altered in the field. Choose the correct mat sizes and layout before installation or contact ThermoSoft for layout assistance.
Can the cold lead wires of WarmStep® Floor Heating Mats be shortened?
The cold lead wires of WarmStep® do not produce heat and may be shortened, cut, or extended by a licensed electrician according to the WarmStep® installation manual and local code requirements.
What about areas not covered by WarmStep® Electric Floor Heating Mats?
Not every area of the floor needs to be heated. WarmStep® Electric Floor Heating Mats have a low profile, so heated and non-heated areas can be planned without creating major height differences. ThermoSoft can help you review the layout for optimal coverage.
How much does WarmStep® Electric Floor Heating Mats cost to operate?
Operating cost depends on the heated area, local electric rates, house insulation, thermostat settings, and usage. For a project specific estimate, contact ThermoSoft experts with the room size and planned mat layout.
How many Watts per square foot does WarmStep® Electric Floor Heating Mats produce?
WarmStep® Electric Floor Heating Mats produces approximately 8 to 10 Watts maximum per square foot of radiant floor heat.
How warm does WarmStep® Electric Floor Heating Mats make the floor?
A properly installed WarmStep® Electric Floor Heating Mat system can typically provide a comfortable floor temperature increase above the room’s ambient temperature. Actual results depend on the room, floor covering, house insulation, thermostat settings, and installation conditions.
How long do WarmStep® Electric Floor Heating Mats last?
WarmStep® Electric Floor Heating Mats have been installed in homes for decades and continue to work without any issues or maintenance requirements because it doesn't have any moving parts. WarmStep® Electric Floor Heating Mats carry a 10-year warranty. Thermostats are covered separately according to the thermostat warranty. Buy with confidence.
Can ThermoSoft help with my WarmStep® Electric Floor Heating Mats layout?
Absolutely. Contact ThermoSoft's US experts for help choosing mat sizes, checking floor compatibility, and planning your WarmStep® Electric Floor Heating Mats layout before ordering.

Call 800.308.8057

Speak to a ThermoSoft radiant heat expert. For help choosing or project planning, call us or schedule a call.

Schedule Call

Thermosoft

Cozy, Affordable and Reliable Electric Radiant Heating—Inside and Out

At ThermoSoft, electric radiant heating is about more than just warmth—it’s about comfort, safety, and peace of mind throughout your home. Indoors, our systems integrate seamlessly wherever you need them—bathrooms, kitchens, basements, or your entire living space. Outdoors, we empower you to be fully in control, keeping driveways and walkways clear, roofs and gutters snow and ice-free, and exposed pipes protected. Across every corner of your property, ThermoSoft’s electric radiant heating delivers consistent, energy-efficient performance—right where it matters most.

For over 30 years, homeowners have trusted ThermoSoft for safe, dependable indoor and outdoor heating solutions. With patented technologies like FiberThermics®, our systems offer unmatched performance, proven durability, minimal EMF emissions, and fast, even heat distribution on demand.

As a US based manufacturer proudly based in Vernon Hills, Illinois, our systems ensure faster heat delivery, easier maintenance, and long-term reliability. From floor heating under any floor type— including tile, laminate, vinyl, and wood—to deicing and snow-melting systems for concrete, asphalt, and pavers, as well as roof, gutter, and water pipe protection solutions, we provide systems that are built to last and backed by expert support.

Join the millions of homeowners who trust ThermoSoft to bring warmth to every step, inside and out.

Thermosoft is a US based manufacturer with experts ready to work with you

Real People, Real Support

Behind every system is a US-Based team that listens, solves, and supports—because great products deserve even better service backed by the highest level of quality control possible.

Thermosoft is dedicated to providing reliable safe electric radiant heating solutions for homes and business in the US and Canada

Our Mission is Your Comfort

We’re here to make your home feel amazing. Every system we build is designed to deliver joy, warmth, and lasting satisfaction while also offering an unsurpassed best-in-class safety record.

Thermosoft provides electric radiant heating mats and cables that can be more efficient than using only forced air solutions in your home or business

Unmatched Value, USA Based Manufacturer

Using only premium materials, patented technology, and superior engineering—all at a price that makes luxury heating and accessible.

Thermosoft is dedicated to continuously innovating and creating new solutions for homeowners and business owners to efficient heat floor inside and melt snow and ice outside

Innovation You Can Trust

We don’t follow trends—we set them. With proprietary tech like FiberThermics®, our systems have been installed and delivering reliable electric radiant heat to homeowners for 30 years.

Thermosoft listens first to your needs, then guides. Whether it’s a single room or a full-home project, we tailor electric radiant heating solutions to your needs and budgets

Designed Around You

We listen first to your needs, then guide. Whether it’s a single room or a full-home project, we tailor solutions to your needs and budgets.

Thermosoft has earned our reputation by keeping promises. From product quality to customer care, we stand behind everything we do when it comes to providing electric radiant heating solutions.

Integrity in Every Detail

We’ve earned our reputation by keeping promises. From product quality to customer care, we stand behind everything we do.