The Radiant Heating Glass Panel


Principle of infrared heating

Whereas in convection heating the air is warmed by a convector which then transfers heat as it flows over the objects that are to be heated (walls, furniture), Radiant heating panels transfer heat mainly through radiant energy. Upon encountering objects (walls, furniture, floors), radiant energy is partially reflected-(approx. 15%) while the majority (approx. 85%) is absorbed by the objects. This radiant energy is converted to heating energy as it raises the temperature of the objects, which then transfer heat to the cooler air by convection. Thanks to unique Silicating technology, high temperature radiant panels reach a high emissivity of up to 0.98 mu.  

The principles mentioned create the following advantages: 

  • The surface of the radiant panel generates a heat flow whose spectrum is in the wavelength not greater than 5 micrometers and is thus absorbed to a large degree by the human body: people are therefore heated in a manner similar to the objects in the room.
  • When the radiant heat flow increases the temperature of the objects in the room to 20–22°C, comfort conditions are achieved even with air temperatures of 18–19°C which can lead to energy savings of 18–24%.
  • Radiant panels permit the temperature distribution in a room to be more vertically balanced giving a 1–2 degree difference between the floor and the ceiling (for convection heating the difference is given as 1°C per metre of height, 30–50 cm of height). 
  • There is lower circulation of dust therefore dust particles due to Brownian motion, thus reducing the risk of illnesses – asthma, mucous membrane infection, etc.
  • Increased wall temperatures mean a lower possibility of surface condensation, although the humidity in the room is not lowered.
  • Glass is not “transparent” (we might say “transthermant”) when it comes to radiation with wavelengths over 3 and thus the radiant flow is not lost through windowpanes.
  • The panels do not require maintenance.

Unique technologies

Fenix utilises unique state-of-the art technology in respect of the finished panel surfaces. (Thermoquartz and Thermocrystal for low temperature panels and Silicating for high temperature panels). 



ECOSUN TerraceHeaters are designed for the zonal heating of winter gardens, enclosed and roofed balconies and terraces, garden tents, churches, etc. – i.e., applications where they are protected against direct contact with the effects of the weather. The min. height at which such panels can be installed is 1.8 m above the floor (the lower edge of the panel); for panels installed on the ceiling there must be a min. gap of 30 cm between the ceiling and
the upper edge of the panel. 2 m cold lead with plug. Rating IP 45. Tiltable brackets are included with the product. 

GR – glass radiant panels

GR glass radiant panels feature an attractive and timeless design. Due to their aesthetic appearance these panels are primarily intended for heating reception rooms, offices and other rooms. These glass panels consist of a 12 mm toughened glass plate heating element, a thermo fuse, a connection cable. They are designed to be mounted on a wall and connected to a wiring box by the connection cable.

GR PANELS – glass panels (thermo fuse), IP 44, class II; Connection cable: 100 cm; the panels are manufactured in 4 series with different outputs. GR panels are available in five colours: mirror, white, black, red, yellow-green; Needed clearance: lower edge 5cm / top and side edge 15 cm / front side 50 cm.  


  • For GR 300, 500, 700 and 900 panels 

These towel rails  are designed as an accessory for GR radiant glass panels in all colour versions. They are made from a 4×30 mm polished stainless steel sheet. After the installation of this rail, the standard panel is transformed into a smart bathroom heater with a rail on which a towel or bath towel can be hung. 

The rail is intended only for panels installed vertically; however, the installation itself is very easy. The openings in the back part of the rail are simply placed onto the top two screws of the panel by which the heater will be attached to the wall. The panel is then placed into the prepared hanging brackets. After the attachment nuts have been tightened, the rail, which is placed between the back part of the panel and the hanging bracket, is attached firmly. 
The rail is in the shape of a rectangle with the dimensions 530×90 mm; the distance between the attachment openings is 260 mm. 


Other use of Radient Heating

Interested in our Radiant Heating Glass Panel ?

Visit www.flextherm.asia or contact us via 2411 7228 or cs@azl.com.hk,

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