Thermal insulation (warmth retention) panels


In the contemporary times, a highly efficient thermal insulation is an essential element of ecologically and economically aware construction technology. In order to limit heat losses from the rooms to the outside, there are thermally insulated panels mounted in the windows, with a low-emission coating, type ClimaGuard Premium, placed from the inside of the intra-pane space.

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This coating is formed as a result of dusting with the use of the magnetron method on the surface of the float glass with a very thin system of metal and metal oxide films which can reflect long-wave radiation (e.g. heat radiated by radiators or emitted by people, animals or objects), whereas in terms of the short-wave radiation (solar) it is almost fully permeable. In addition, the sun radiation, penetrating through the glazing, causes heating up of walls, floors, furniture, etc. and is converted into long-wave radiation which is reflected to the inside (the so-called greenhouse effect). The use of a multi-glazed panel in the window provides also high comfort in the room, mostly due to reduction of the so-called cool air draughts and reduction of the phenomenon of condensation on the panels. Filling of the intra-panel space with a noble gas, i.e. argon or krypton, results in additional reduction of heat losses from the room.

The main parameter determining the thermal insulation properties of the multi-glazed panels is the heat transfer coefficient U which characterises the amount of heat penetrating through the panel to the outside. The lower the coefficient U, the better the thermal insulation properties. It is calculated according to the EN 673 standard.


  • Single-chamber multi-glazed panel: U=1.6 do 0.9 [W/m2K]
  • Double-chamber multi-glazed panel: U=0.7 do 0.5 [W/m2K]