| W.E.Reynolds,L.L.C. Heating Contractor |
Each year the Radiant Panel Association (RPA) conducts a "System Showcase" design competition in
several categories. The System Showcase program is a forum to recognize the efforts and hard work of
RPA members nationwide by means of a competition in which members submit their best projects, which are
then reviewed and judged by a panel of industry experts. W.E.Reynolds, L.L.C. received the 2008 first
place award for the design and installation of a radiant heating system in a Windham, Maine newly
constructed home with more than six heating zones
In making their decisions, the judges focus on three areas;
projects are completed and operating as designed. Radiant Panel Association
several categories. The System Showcase program is a forum to recognize the efforts and hard work of
RPA members nationwide by means of a competition in which members submit their best projects, which are
then reviewed and judged by a panel of industry experts. W.E.Reynolds, L.L.C. received the 2008 first
place award for the design and installation of a radiant heating system in a Windham, Maine newly
constructed home with more than six heating zones
In making their decisions, the judges focus on three areas;
- Presentation and Documentation
- Technical Merit, Proper Application of Equipment and Workmanship
- Appropriate Professional Design and Appearance of Installation
projects are completed and operating as designed. Radiant Panel Association
| P.O.Box 494, Turner, Maine 207-225-2126 (office & fax) 207-240-1407 (cell) |
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2006 - Third Place
In 2006 W.E. Reynolds,L.L.C. placed third nationally in the category RETROFIT,which considers the design and
installation of a radiant heating system into an existing structure. The project involved attaching Heat Transfer
Plates and tubing to the underside of the sub floor (see Radiant Technical photos), the installation of a hydronic unit
heater in the lower level, domestic hot water tank and a high efficiency modulating / condensing gas boiler. A
Tekmar TN4 control system modulated the boiler water temperature to provide the three water temperatures
utilized in the heating system. Multi temperatures requirements occur when different heating sources are used, in
this case the Unit Heater required 140 -180, the slab would require 110-115 and the Heat Transfer Plates
attached to the sub floor would require 110-170.
In 2006 W.E. Reynolds,L.L.C. placed third nationally in the category RETROFIT,which considers the design and
installation of a radiant heating system into an existing structure. The project involved attaching Heat Transfer
Plates and tubing to the underside of the sub floor (see Radiant Technical photos), the installation of a hydronic unit
heater in the lower level, domestic hot water tank and a high efficiency modulating / condensing gas boiler. A
Tekmar TN4 control system modulated the boiler water temperature to provide the three water temperatures
utilized in the heating system. Multi temperatures requirements occur when different heating sources are used, in
this case the Unit Heater required 140 -180, the slab would require 110-115 and the Heat Transfer Plates
attached to the sub floor would require 110-170.
2008 - First Place Winner
The 2008 award winning design, in the category of SIX TO FIFTEEN RADIANT HEATING ZONES NEW
CONSTRUCTION, 1st Place was awarded to W.E.Reynolds,L.L.C. & Northeast Radiant Technology.
W.E.Reynolds, L.L.C. did the system layout, on-site installation work and system start up. Northeast Radiant
Technology did the heat-loss calculations, piping / control configuration and drawings.
The 4000+ square foot house, located in Windham Maine, has three living levels and ten heating zones. The
heating system consisted of WarmBoard Radiant Sub floor Panels on the first and second floors. Radiant slab
heating was installed in the finished basement. Heating plans, based on architectural drawing, were produced
showing the basement foundation with tubing layout, WarmBoard panel pattern, tubing layouts and manifold
locations. The heating load was calculated at 76,438 btus with a supply water temperature requirement of
115/110 for the slabs and 90/85 for the WarmBoard panel areas. A Weil McLain Ultra 105 modulating /condensing
boiler was wall mounted on a panel along with the system piping. All manifolds contained flow control meters for
adjusting and setting individual flow rate to each heating loop. The control system was Tekmar TN4 utilizing
outdoor air temperature sensing, indoor air temperature sensing, floor structure temperature sensing to adjust
boiler firing rate so that boiler water temperature closely matches building heat loss.
Although the competition judged only the radiant heating system design the project also included a Unico High
Velocity A/C system, Honeywell Whole House Dehumidifier, AprilAire Steam Humidifier and Lennox Heat Recovery
Ventilation system (HRV) to maintain air quality throughout the house.
The 2008 award winning design, in the category of SIX TO FIFTEEN RADIANT HEATING ZONES NEW
CONSTRUCTION, 1st Place was awarded to W.E.Reynolds,L.L.C. & Northeast Radiant Technology.
W.E.Reynolds, L.L.C. did the system layout, on-site installation work and system start up. Northeast Radiant
Technology did the heat-loss calculations, piping / control configuration and drawings.
The 4000+ square foot house, located in Windham Maine, has three living levels and ten heating zones. The
heating system consisted of WarmBoard Radiant Sub floor Panels on the first and second floors. Radiant slab
heating was installed in the finished basement. Heating plans, based on architectural drawing, were produced
showing the basement foundation with tubing layout, WarmBoard panel pattern, tubing layouts and manifold
locations. The heating load was calculated at 76,438 btus with a supply water temperature requirement of
115/110 for the slabs and 90/85 for the WarmBoard panel areas. A Weil McLain Ultra 105 modulating /condensing
boiler was wall mounted on a panel along with the system piping. All manifolds contained flow control meters for
adjusting and setting individual flow rate to each heating loop. The control system was Tekmar TN4 utilizing
outdoor air temperature sensing, indoor air temperature sensing, floor structure temperature sensing to adjust
boiler firing rate so that boiler water temperature closely matches building heat loss.
Although the competition judged only the radiant heating system design the project also included a Unico High
Velocity A/C system, Honeywell Whole House Dehumidifier, AprilAire Steam Humidifier and Lennox Heat Recovery
Ventilation system (HRV) to maintain air quality throughout the house.
| 2006 AWARD |
| 2008 Award |