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Radiant Heating

In traditional Convection Heating a heating body is used to heat up the air, which then distributes heat as it flows over the surfaces of the objects in the room (walls, furniture, etc.). A radiant heating panel, however, distributes heat mainly by radiating it, just like the Sun! Thus, when the flow of radiated heat hits objects (like walls, the floor, or furniture), while a small part is reflected (approx. 15%), the majority (approx. 85%) is absorbed by the objects encountered. At this point in the process, radiated energy turns into heat energy (the objects heat up) and as the objects are hotter than the surrounding air, heat is transmitted by convection - the air is heated by all the objects in the room. 

warm air (up to 30°C)
cold walls, ceiling, floor (up
to 10°C)
TOO COLD

cold air (up to 5°C)
warm walls, ceiling, floor (up to 25°C)
COLD

fresh air (up to 15°C)
warm walls, ceiling, floor (up to 26°C)
TOLERABLE

warm air (20°C)
warm walls, ceiling, floor (20°C)
PERFECT !!!

What is Radiant Heating Advantages of Radiant Heating Panels Radiant Heating panel Applications

Advantages of Radiant Heating Panels:

  • The surface of the radiant panel radiates a flow whose spectrum lies mostly in the band of wavelengths greater than 5 micrometers, and is thus absorbed to a large degree by the human body: people are thus heated in a manner similar to objects.

  • The panels are equipped with flat heating surface which guarantees heat emission up to 180°C angle (so called hemispheric emission).

  • When the radiant flow heats objects up to a level of 20-22°C, heat comfort can be achieved even with air temperatures of 18-19°C, and this leads to energy savings of at least 18-24%.

  • Radiant panels make temperature distribution in a room vastly more vertically balanced – only a -1 to -2 degree difference between the floor and the ceiling (for convection heating, meanwhile, the difference is given as 1°C per mere 30-50 cm of height).

  • There is less flow (whirling) of air in the heated space, so dust particles also whirl less, thus reducing the risk for a number of illnesses and allergies—asthma, mucous membrane infection, etc.

  • A higher wall temperature means a lower possibility for surface condensation; room humidity is not lowered.

  • Glass is not “transparent” (we might say “transthermant”) when it comes to heat emission with wavelengths over 3 and thus the radiant flow is not lost through windowpanes.

  • The panels do not need any maintenance.

What is Radiant Heating Advantages of Radiant Heating Panels Radiant Heating panel Applications

Radiant Heating Panel Applications:

We separate radiant panel applications into two categories: 

  • Systematic Heating - in areas where we expect a high level of comfort and which are well insulated e.g. public and administrative offices, schools, cultural facilities, show-rooms medical arrangements commercial and sales centres manufacturing halls and warehouses.

  • Interrupted Heating - in areas where heating is only required for interrupted short periods and standard heating methods become too expensive to employ. In these cases the radiant heating, on activation, immediately creates a feeling of warmth through direct heating of clothes and exposed skin.

Every space in which the panels are installed can be independently regulated. In large spaces, even the individual sections of the space can be regulated. The standard regulation method is to control temperature using room thermostats and by switching off of the system at selected times. The heating circuits are protected against overload separately in the distribution board, and their overall circuit must include a two-pole circuit breaker. The regulation component must correspond with the product’s coverage level (where a relatively high degree of protection against dust and water is needed, one of the industrial room thermostats must be used).