Modular system
Connecting modules between convectors create an aesthetic overall appearance without gaps and adapt to the building architecture.
Katherm®
Underfloor convectors
Choose a model below or request a calculation
What are underfloor convectors?
Underfloor convectors are a modern solution for room climate control, especially with large glass facades and panoramic windows. Installed flush with the floor, they effectively screen cold air and ensure a comfortable indoor climate with an unobstructed view.
Katherm advantages
Low-temperature mode
EC fans enable efficient operation with heat pumps and low-temperature heating systems.
Custom dimensions
Mitered corners, curved versions, slopes and column cut-outs — for any facade geometry.
Fast installation
Valve connection, installation accessories and height adjustment feet supplied as standard reduce installation time.
Supply air introduction
Katherm ZL supply air ducts for displacement and mixing ventilation in a single underfloor duct.
Hygienic design
Thought-out cleaning concept and condensate drainage in cooling mode for impeccable hygiene.
Katherm models
Katherm QK
with forced convection and tangential fan
Difference: With fan — for rooms with increased heat load and floor-to-ceiling glazing
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Katherm QK nano
compact convector with minimum 70 mm trench height
Difference: Compact — trench height of only 70 mm for limited floor space
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Katherm NK
natural convection without fan
Difference: Natural convection — silent fanless solution for static heating loads
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Katherm HK
heating and cooling with tangential fans
Difference: Heating + cooling — for rooms with high cooling loads at glass facades
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