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To view our slide presentation point your mouse below:
To view our video presentation point your mouse to the projector down below:
Technical Data: To download our technical data, please point your mouse to the documents below:
Our European Partners:
This file explains the Thermodynamics of Radiant Energy:
Presentation files: Radiant Cooling Presentation.pdf
Picture of KaRo plaster:
KaRo Capillary Tubes:
ASHRAE Documents:
Web links:
Photo Gallery:
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KaRo Systems Radiant Heating & Radiant Cooling
A New Concept of Air Conditioning
Why use Radiant Cooling? Air Conditioning Systems of Today
Most air conditioning systems use the same principle of forced air. In forced air systems, warm room is circulated, chilled and blown back into the space. With the increased use of computers and other office technology, higher and higher heat loads need to be removed from these environments.
To remove this additional heat, a higher volume of cooler air is blown into the working environment to maintain comfort, making draft-free cooling with chilled, primary air increasingly more difficult. An additional problem that came to light in the 1970’s and 1980’s is known as: “sick building syndrome”
The standard forced air cooling system can carry the airborne spores to other locations in the building. Forced air systems can also expose occupants throughout a building to odors and cold viruses or contribute to unhealthy environment.
This high level of recirculation promotes the spread of potentially harmful and/or odor causing organisms.
To keep in simple terms;
The Radiant Panels Takes care the Sensible Load (sensible cooling load refers to the dry bulb temperature) while the DOAS system Takes care the Laten Load (latent cooling load refers to the wet/humidity bulb temperature).
The result is a comfort level not attainable by either system independently. Because of its impendence and zoning capabilities, this system is considered to be an energy efficient to heat or cool the building.
Radiant cooling uses metal ceilings, or gypsum drywall which provides the architect with greater flexibility in the look and design of the building interior over conventional systems. Because radiant cooling only requires ventilation air, the air supply vents can be smaller, less conspicuous openings. The application of radiant cooling significantly eliminates the contamination associated with re-circulated air, improving indoor air quality and reducing airborne transmitted contaminants. Improved air quality results in a better indoor environment, increasing employee productivity and health.
The Benefits!
No Noise-No Draft! Hydronic radiant cooling technology enables air conditioning to occur in a completely different way-a way that solves both problems. Radiant capillary tubes drywall ceiling or acoustical ceiling system that contains chilled water running through the capillary tubes that are bonded to back side of the surface.
The ceiling drywall or acoustical ceiling systems function as heat exchangers between the room air and the chilled water.
The ceiling absorbs heat from heat sources in a room and exchanges it with the circulating chilled water. The chilled water is then pumped to a chiller, re-cooled, and returned to the ceiling.
KaRo may be applied on Wall, Floor or Ceilings, and given that the Architect has a greater flexibility to gain ceiling height without having the "cross over duct work".
Applications:
KaRo Capillary Tubes technology is applicable in a wide variety of building environments. Most notably, it is well suited for hospital patient rooms and laboratories. Radiant panels provide a silent, draft-free, thermally stable environment for sedentary patients and require no mechanical equipment or bacteria/virus collectors in the heated space.
This
is of extreme importance in a hospital or laboratory setting where
maintenance of an aseptic environment is crucial. It has been shown that
the elimination of baseboard convectors alone can reduce bacterial growth
in a space by over 40%. Capillary Tubes ceiling systems are not just for hospitals and laboratories. The leas able space reclaimed by eliminating six to eight inches of baseboard convectors around the entire perimeter of every floor of an office building can mean significantly increased earnings for the commercial owner.
Also, with, KaRo Capillary Tube Mats leased areas can be easily re-partitioned since there is no wall to build around. Most importantly, with no mechanical equipment in the occupied space, radiant ceiling panels are almost maintenance free.
What about Condensation?
Condensation of water occurs when dew point is reached, proper water temperature and with the aid of fresh ventilation (to meet law requirements) the surface panel or drywall will remove sensible heat from the space (cooling) system.
The Ventilation system not only ensures the requirement level but also regulates the latent or moisture load of the space; Keep in mind that the airflow required is small relative to conventional cooling system.
For extra security each zone or space has a dew point sensor, if a risk of condensation is present the cooling (chilled water) is reduced either by closing the control valves, switching off the pumps, or raising the supply water temperature to control dew point!
The principal advantages of radiant panel heating systems are listed in Chapter 6 of the 1996 ASHRAE Handbook as:
"The alternative way of heating and cooling naturally"
If you require a quotation or simply wish to discuss a project, send us an E-mail by just pointing your mouse down below!
Send your comments and inquires to: E-mail:juan@rudekinc.com
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