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Introduction to Radiant Heating
Advantages of Radiant Panel Heating
Thermal Comfort
Radiant Floor Heating
5 Lies About PEX Tubing
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Radiant Professionals Alliance

radiant floor heating


Providing Radiant Floor Heating Solutions & Plumbing Supplies to the
Do-It-Yourselfer and Professional Installer

Welcome to Pexheat

Hello Customer,

Pexheat is a full service floor heating design and sales company. We offer our services to professional contractors, homeowners, and anyone in need of high quality, yet affordable radiant and electric floor heating equipment. Browse our online catalog for a full list of products and purchase them at our online store.  

Why Radiant? The simple truth is; people want it.
  1. Comfort – Feet remain warm, head stays cool, the ideal heating curve.
  2. Efficiency – Hot air rises, but warmed floors keep the heat where we live.
  3. Air Quality – No dust or germs blown around the room.
  4. Design Freedom – Can’t hear it, can’t see it. Place furniture anywhere, it’s warm everywhere.

Completing a radiant heating system project the first time can be a challenge, which is why we provide full system design services, ensuring you complete the project correctly the first time. Because exceptional customer service is importance to us, we make every project "our" project.

Why Pexheat? Because ‘We get it’.
  1. Expert Design Staff – Projects are designed by factory certified experienced designers completed to industry standards. Your project is our project.
  2. Flexible designs to meet your needs.
  3. We offer uncompromising integrity and the highest quality products.

For more information about our products or services, and for a FREE estimate, contact the team at Pexheat today!

Pexheat - Radiant Done Right.


A Free Complete Consultation to Installing Your Radiant Floor Heating System

Whether you're a professional when it comes to Radiant Floor Heating or looking to Do It Yourself, Pexheat can help you determine what you need for your radiant floor design. Complete our Estimate Request form, and get a free materials estimate.

On-line Radiant Floor Estimate Request or PDF Radiant Floor Estimate Request
Complete the On-line Estimate Request Download and fax back
the PDF form (PDF, 68K)

Specials Announces the Watts Radiant ProMelt Systems

Electric Snow Melting Mats and Cables

Watts Radiant is proud to announce we are now carrying the ProMelt Electric Snow Melting System by Watts Radiant. Take the work out of sheveling snow from driveways and walks.

ProMelt Mat InstallationIf you ever wanted to install a snow melting system in your steps walkways and drives but found installing a hydronic snowmelt system to be too costly and difficult. Then the Watts Radiant ProMelt electic snow melting heating mats and cables may be exactly what you needed.

The beauty of a wintry snowfall also brings:

  • the risk of slips and falls on stair and walkways
  • tracked in salt / ice / snow
  • added cost and effort in shoveling and plowing.

A snow melting system can save you:

  • time
  • money
  • prevent damage to your walk and driveways and floors.

What is electric snow melting?

Electric snow melting involves installing a heating element beneath outside surfaces. When activated, the surface is heated and the snow or ice is melted. It's that simple.

ProMelt cable is pre-set at the factory to deliver 38 Watts/Sq.Ft. for 120VAC systems and 50 Watts/Sq.Ft. for 208, 240, & 277 VAC system.

The snow melt sytem can be controled by a timer or variety of automatic sensors.


ProMelt Mat Installation Section
ProMelt Snow Melting Mat in Concrete Slab
ProMelt Mat Installation Section
ProMelt Snow Melting Cable in Concrete Slab

ProMelt mats and cables can be installed in:

  • Concrete slabs
  • Asphalt drives
  • Under stone or pavers
  • Under ceramic tiles

Electric Snow Melting can be installed in:

  • Stairs
  • Walkways
  • Traction strips on hills
  • Parking areas
  • Patios

Two different installation methods

Simplicity sets ProMelt Mats apart from other snow melting products. Watts spaced the wires for you, so installation is faster and worry-free.

ProMelt Roll Mat

  • Mats are easy to customize to fit surfaces of any shape and size.
  • Easily cut mats to move around corners and turns.
Versatility makes ProMelt Cable the fantastic choice for your snow melting project. Any size, any shape ProMelt Roll Mat
  • Easy to install and can fit surfaces of all shapes and sizes.
  • Space the cable depending on your warming needs.
  • Lower Cost


Please Contact Us to find out if ProMelt is the right snow melting solution on your next job. Announces the

Watts Radiant SmartTrac Radiant Panel Solution

Modular non-structural radiant subfloor system

Watts Radiant is proud to announce the release of the SmartTrac Radiant Panel Solution by Watts Radiant. Radiant, the Smart Way.

SmartTrac InstallationThere are many solutions for above floor subfloor panels. Watts Radiant has done it's homework and provides one of the simplest smartest sleeper systems in the industry. If you can not get under the floor for a staple-up radiant floor system, then above floor is your only solution for radiant floor heating. If your radiant tubing is to be installed on top of a subfloor or existing concrete slab, or on the walls or ceiling. SmartTrac will fit your project.

Watts Radiant’s SmartTrac is a non-structural, modular board designed for subfloor, wall and ceiling radiant heating and cooling applications. It is manufactured from 5/8" (15.88 mm) thick MDF (medium density fiberboard) and is designed for use with 3/8" (9.5 mm), ASTM F876 PEX or ASTM F2623 PERT.

Features of the SmartTrac system:

One-panel solution

No messy silicone required

2-1/2 lbs. (1 kg) per square foot

Configure for any space

Responds faster than concrete

Ultra low profile, 5/8” (16 mm), Designed for 3/8" Tubing

Significantly reduce installation time

Eliminate schedule and curing delays

Minimum 92% recycled content, CARB ULEF exempt

Smarttrac Panels Smarttrac tubing
SmartTrac Panels SmartTrac works with Watts Radiant’s RadiantPERT™ and RadiantPEX+™ Tubing.
Smarttrack under hardwood Smarttrac under Tile
SmartTrac Subfloor Radiant Under Hardwood Flooring SmartTrac Subfloor Radiant Under Tile



Easy to configure and quick to install, SmartTrac is a flexible solution for any new construction or remodeling project. With the release of the SmartTrac Subfloor Panel System, you get;

  • Deliver quiet, even, comfortable heat
  • Configure for any space
  • Fast and easy installation
  • Works with any floor covering
  • Designed for 3/8" PEX/PERT tubing


SmartTrac Subfloor Install Steps

Please Contact Us to get a Free Radiant Floor Heating Estimate and find out how to use SmartTrac panels on your next job. Announces the

Watts Radiant RadiantPERT Tubing

The industries Only Recyclable Radiant Tubing is proud to announce the release of the RadiatPERT Radiant Floor Tubing by Watts Radiant. This tubing is going to change the industry.

You thought you knew all of the types of Radiant Floor Tubing, well think again. PERT Tubing makes up about 25% of radiant tubing installed in Europe. Now it's here in the US.

RadiantPERT has the same heat transfer and oxygen barrier qualities as industry standard radiant PEX but with some more benefits.

  • Greater Flexibility
  • Proven Performance
  • 30 Year Track Record
  • Rated for 180°F at 80 psi
RadiantPERT heating pipe
RadiantPERT Radiant Floor Tubing

"Angel on your shoulder" Warranty

On top of all these features, Watts Radiant heat places the best warranty in the industry. is proud to offer RadiantPERT with a 25 year REPLACEMENT factory warranty. That means, if the tubing fails in 25 years, Watts Radiant will pay the labor and material cost to replace the system. Ex, tubing in a slab fails, Watts will replace the slab. You don't get that warranty anywhere else. You do not need to be a trained professional to get the warranty. Just install it to their manual, and you're "in like Flynn". It's like having a guardian angel on your shoulder.

radiant floor heat system pdfWatts Radiant Tubing Warranty

Now why would you choose another brand of PEX tubing for your radiant floor heating project?


Please Contact Us to find out which tubing solution is best for you.


Announcing the New Watts Radiant Flexible Heat Transfer Plate FlexPlate pex radiant heat underfloor heating is proud to announce a new product to our line of Radiant Floor Heating products, the Watts Radiant FlexPlate, a revolutionary new type of underfloor heating plate. The primary material in the plate is a specially processed natural graphite giving FlexPlate unique heat conduction properties. Extensive performance testing indicates FlexPlate will outperform the industry standard aluminum plates. This increase in performance maximizes the thermal efficiency of any under floor radiant system through the use of lower input water temperatures. In some cases FlexPlate will permit the use of lower temperature sources such as modulating-condensing boilers, ground-source heat

pumps and solar thermal. FlexPlate is light weight, flexible, easy to cut to length, and features a simple staple-up installation.
electric underfloor heating transfer plate

FlexPlate is a revolutionary new type of underfloor heating plate.
The primary material in the plate is a specially processed natural graphite, giving FlexPlate 50% higher thermal conductivity than aluminum. Extensive performance testing indicates FlexPlate will outperform the extruded aluminum plates.

FlexPlates are lightweight, flexible, cut easily with scissors or a utility knife, ease to staple, and don't have any sharp edges that require grinding.

FlexPlate graphite plates install 40% faster than aluminum plates.



Want to learn more about Radiant Heat?

Need Installation Manuals?

Download them here. - These are the Manuals provided by the manufactures of the products we sell. Our radiant designs

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