Underfloor convectors are also called screed convectors and are heating elements that are usually arranged in front of large window areas and below the upper edge of the floor. They are usually covered with roller grilles.
Image: Möhlenhoff Wärmetechnik, Salzgitter
heat output of underfloor convectors can be supported by an electric blower. Usually, convectors are installed in conjunction with raised or cavity floors - as they are common in office and administrative buildings.
Underfloor convectors heat the room mainly through a warm air flow. Thermal radiation plays only a very small role here. They are often used in conjunction with underfloor heating. They are installed in front of the glazing in such a way that the grid covering the convectors is level with the floor surface. With floor-to-ceiling glazing, this guarantees an unobstructed view and at the same time allows the heat at the window. Thanks to the grille, these convectors can also be installed and walked on in front of French doors.
Underfloor convectors must not be covered with furniture or carpets.
In devices with a forced convention, noise is generated by the fan, which transports the warm air into the room.
The costs of underfloor convectors are on average higher than those of conventional heating systems.
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