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Copyright ©2005-2007
Nelson Mechanical Design

Copyright ©2005-2007
Nelson Mechanical Design
Radiant Floor Heating
Radiant floor heating is one of the most comfortable heating systems on the market. Radiant floor heating, when installed properly, can be very efficient. This is due to the relatively low temperature at which radiant floor systems operate. Most conventional hydronic systems use water at a temperature anywhere from 160 to 180 degrees F. Radiant floor heating systems use water at approx. 110 degrees F. Radiant floor heating will work well with most floor coverings except carpeting. The sections below list some of the many different ways to attach radiant tubing to your floor system.

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Picture – Radiant Heating

PDF of Radiant Design Software Description
PDF Picture -Uponor Design

Slab Installation Thin Slab Installation
In a concrete slab radiant tubing installation, two inches of reflective rigid foam insulation should be installed with the reflective barrier face up. Six inch on center rewire should then be installed on top of this insulation in an even grid. We then attach our radiant tubing lines to the rewire with ties.

The concrete is then poured over this installation, and tile or wood may be installed on the concrete surface.

In a thin slab installation, we attach our radiant tubes to the sub floor with a radiant tubing stapler. The concrete is then poured over this installation, and tile or wood may be installed on the concrete surface.
Climate Panel Installation Track System Installation
A “Climate Panel” installation is a quick and effective way to install radiant tubing to the underside of the sub floor. A “Climate Panel” is a four foot long aluminum plate that is attached to the sub floor. Our radiant tubes are then run and snapped into these plates.

Uponor Joist Track

A track system installation is a way to install radiant tubing above the sub floor. Track system components are a grooved flooring material that is laid down and attached to the sub floor. The radiant tubing is then installed into these tracks. The finish flooring can then be installed.

Uponor Quick Track

Control Packages System Components
Controlling a radiant floor heating system is critical for the successful operation of the system and optimum comfort. The temperature of the radiant tubing should be based on the outdoor temperature. This is referred to as outdoor reset control. This will set a heat curve to tell the radiant floor system what temperature at which it should be operating as based on the outside temperature. Radiant loop temperature control should also be adjusted zone by zone to accommodate for different floor coverings.

More advanced control packages such as our Direct Digital Control Systems are available to integrate Geothermal and Solarthermal installations with your radiant heating. These advanced control packages also provide alarming and remote home owner access.

Control Panel

System components of radiant floor heating systems allow us to install, zone, and control these systems efficiently. Different components are required for different installations. Here are a few examples:

Watts Radiant Manifold


TACO RMB

Hydronic Heating page 2: Radiant Panels, Hyrdo Air, Mulit Aqua, Fan Coils, Kickspace Heating