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Reviewing Electric and Hydronic Radiant Snow Melting Systems – Part II

Hydronic Radiant Heat

Continued from Part I

Hydronic heating was the first form of radiant heat, used by ancient Chinese civilizations and further developed by the Romans. Today’s hydronic floor heating systems feature PEX radiant tubing that is usually installed in concrete. For interior applications, the tubing is sometimes installed in a concrete mass called Gypsum Concrete or “Gypcrete,” or, more commonly in the grooves of the advanced aluminum panel system. The pre-cut panel method is known as a low-mass or modular board underlayment system, and is ideal for remodeling as well as most new construction projects.

Hydronic floor heating system being installed
Hydronic heated floor with Pex tubing inserted into Rau Panels.

The heating element for a hydronic system involves flexible tubing and specially treated water. Hydronic heated driveways use a closed-loop tubing system to heat the surface of the driveway. The tubing is generally made of a durable polymer (PEX tubing) or synthetic rubber to circulate a mixture of hot water and propylene glycol (antifreeze). The fluid is warmed to temperatures between 140 to 180 degrees F to deliver enough heat throughout the snow melting system.

The PEX tubing can be installed under a variety of mediums, including concrete, asphalt, stone pavers, etc. Successful operation of a hydronic heating system depends on proper tubing spacing and layout. Tubes are usually laid out in a spiral or serpentine pattern for even heat distribution, making initial installation a bit more challenging than that of electric radiant heating systems.

A water heater (boiler) is the heat source for a hydronic heated system, which can be powered by any energy source that satisfies the btu requirements, including natural gas, electricity, oil, wood, or even solar collectors. A circulating pump and supply and return manifolds, installed in an easily accessible location, transfer the liquid between the heat source and tubing.

Flexible Power Source Options (Low Operating Costs) – Because the boiler of a hydronic radiant heat snow melting system can utilize natural gas, oil, wood, or other cheap fuel, the operating cost for large hydronic systems can be lower than that of an equally sized electric radiant heat snow melting system.

Snow melting mats laid out to heat asphalt driveway
Retrofitting an asphalt driveway with radiant heat. Snow melting cable is placed on the original surface and new asphalt is then applied over the heat cable.

Electric heated driveway systems are generally more efficient than hydronic systems. Electric cables heat up instantaneously, whereas the liquid within hydronic tubing takes a while longer to be heated up before the snow begins to melt. Installation of electric systems is fairly simple for the “do-it-yourselfer”, and heat cable is also available in mats that can be rolled out for simple installation. The mats feature cable that is pre-spaced, attached to a durable fiberglass mesh backing. They can be easily rolled out to heat tire tracks or an entire driveway. This flexibility is invaluable in retrofit applications, where hydronic system installation is more evasive, and costly.

With both radiant snow melting systems, you have great flexibility in terms of the installation configuration (even more so with electric systems). Instead of heating an entire driveway, you may want to install heat cables to only melt snow in the tire tracks of the driveway. The heat cable for radiant snowmelt systems can be customized to heat just about any type of odd shaped area, large or small.

Radiant Heat Offers Flexibility in Terms of Options

If you are considering installing a heated driveway, there are three general driveway heating solutions that are typically recommended:

  1. Install radiant heating cable under the entire driveway pavement.
  2. Install only an 8-10 foot wide strip of heating cable up the middle of your driveway or main traffic area.
  3. Install two 24-inch wide tracks of radiant heat cable up the middle of your driveway.
Heated tire tracks in driveway
Electric heated driveway with heated tire tracks in concrete.

Electric radiant heat systems usually cost less to install, and are much easier to install in small spaces. The installation of a hydronic system is much more labor intensive and costs more for materials. However, for larger systems, you will probably save more money on the heating bill compared to electric warm flooring.

Make sure you work with experienced professionals who also provide system engineering and design services, included detailed CAD drawings. Warmzone is one of the best radiant heat providers that you could hope to find. They will work closely with you to ensure that the radiant snow melting system you install is the absolute best system for your specific needs.

Read Part I of this article

HOTNEWS

More Than One Way to Heat a Driveway

When it comes to Radiant Heated Driveway Systems, you may have more Options than you Realize.

So you’ve decided that a radiant heated driveway is in your future, and may be asking, now what? If you’re looking for high-quality, reliable radiant heat solutions, look no further than Warmzone. As a trusted provider of quality radiant heat solutions, Warmzone has made a name for itself by offering the best selection and prices available on radiant snow melting systems and heated floors, and for providing a creative approach to finding solutions to meet the needs of its customers.

Warmzone takes three general approaches to heated driveway installation. To keep paved areas completely clear and free of snow and ice, radiant heating cable can be installed underneath entire driveway and/or walkway surfaces. Other snow melting options include installing either an 8-10 foot wide strip of heating cable, or two 24-inch wide tracks of radiant heat cable up the middle or main traffic area of your driveway.

Heated driveway with brick pavers

Warmzone has built a reputation not only on their approach to a variety of radiant heat systems, but on their state-of-the-art products. ClearZone cable is durable resistance heat cable used to melt snow and ice in harsh weather conditions. It is built specifically for heated driveways, sidewalks and other common areas that require snow removal in the worst conditions. Easy to install and easily customizable, ClearZone heat cable provides an effective, energy efficient and environmentally friendly snow removal solution that is virtually maintenance free.

ClearZone electric radiant snow melting cable is available in pre-configured sections, or mats, for easy installation. These snow melting mats are built specifically for electric heated driveway systems, sidewalks and other common areas. They’re designed for ease of installation and proper cable spacing for optimum snow melting efficiency, whether you choose to heat an entire driveway, or target high-traffic areas. They can be rolled out for safe installation in new concrete pours, under pavers and even in high-temperature new asphalt projects.

Custom Heated Driveways  (Continued)
Of course, you may not be ready to pour a new driveway right now. Perhaps the thought of rolling out ClearZone snow melting cables or mats over your existing pavement does not appeal to your aesthetic sensibilities. But don’t rule out a heated driveway in your future just yet. ClearZone radiant heat cable is easily retrofitted into existing surfaces. Using concrete saw-cut technology, grooves can be cut into existing concrete or asphalt. The ClearZone radiant heat cable is then laid into the grooves and sealed with a special epoxy topcoat for efficient, effective snow removal.

Choose Warmzone, and you not only benefit from cutting-edge radiant heat technologies, but a team of radiant heat specialists with the experience and the expertise to design a snowmelt system to satisfy your objectives and budget. From start to finish, our professional designers can evaluate your radiant heating system requirements, and based on this information, create a detailed CAD schematic of your heated driveway system layout. You’ll know the electrical requirements, technical specifications and system performance expectations before heat cable is installed with no costly installation surprises later on.

Snow melting system installed under pavers

Warmzone stands proudly by the quality of our products and services. Our radiant heat products are tested and proven to be among the best in the industry. Call Warmzone today. Your initial consultation and project estimate is absolutely free.

For more information on radiant heated driveways, radiant floor heating, or roof deicing and gutter trace systems, browse our web site or call 888.488.9276 today.