Knob – room temperature control with knob

room temperature control

So you feel completely comfortable.

Surface temperature control for optimum comfort

Our well-being temperature is between 19 and 25 ° Celsius. Will it be warmer or cooler suffer activity and well-being. Therefore, surface temperature control systems are increasingly used in buildings. Whether for cooling office space via ceiling systems, as underfloor heating or as wall temperature control systems – they ensure optimal comfort.

What you should know

Saving energy made easy

Surface tempering systems for walls, floors or ceilings create a pleasant indoor climate with a uniform surface temperature. This results in energy savings of up to 12% compared to radiators. Surface heating systems in conjunction with highly thermally conductive Knauf components achieve their full performance.

  • Effectively warm in winter and cool in summer
  • Comfortable room climate due to radiant heat

Always perfectly tempered

The floor is ideal for a two-dimensional tempering system: In winter, the gentle and even radiant heat is released over a large area into the room air and in summer it can be cooled using the same system. Solutions for floor temperature control are available both for new buildings and for renovations.

For the new building, heating screeds with Knauf flow screeds are offered, for the renovation, dry systems with Knauf precast screed Brio and GIFAfloor UB Klima or thin-layer heating screeds with Knauf leveling compounds.

Your advantages

The floor is ideal for a two-dimensional tempering system: In winter, the gentle and even radiant heat is released over a large area into the room air and in summer it can be cooled using the same system.

A heating screed has, in contrast to normal radiators, a large heating surface, which extends over the entire floor plan. This allows the heater to be operated at a lower flow temperature. In addition, the uniform heating of the room without loss of comfort, the room air is usually 2K lower than in rooms that are heated with radiators.

Advantages of a surface temperature control are:

  • Pleasant room climate
  • Low energy consumption

Solutions for floor temperature control are available for new buildings as well as for modernization and renovation. As a cooperation partner in the field of heating and cooling, the company Uponor provides competent assistance with its solutions. In the floor area with Velcro, Tacker or Nopp systems, System Siccus (for precast floor screed) and other systems for walls and ceilings.


Prefabricated floor screeds such as Knauf Brio and, above all, heated screeds with floating screed are ideal for new residential construction. Knauf flow screeds offer special advantages:

  • High thermal conductivity, especially with FE 80 Allegro
  • Good pipe coating and thus best heat transfer when wet laying
  • Low screed thickness (pipe coverage 35 mm for residential construction)
  • Short heating times
  • Dry heating possible immediately after insertion without technological break when using FE 25 A tempo
  • FE Eco, the heat pump screed, specially developed for underfloor heating systems that can not generate high flow temperatures (eg when using heat pumps)

Result: Due to the high thermal conductivity, the optimal tube contact and the lower required tube coverage, calcium sulfate flow screeds can be heated faster than conventional cement screeds. This increases living comfort and lowers energy consumption.

Self-leveling screeds are executable as heating screed according to DIN 18560-2 in type A (heating pipes on insulation) or type B (heating pipes flush in insulation).
If insulation boards have an aluminum coating, this must be e.g. be protected against direct contact with the screed mortar with foil or another coating, since a chemical reaction is produced between aluminum and the alkaline water of the screed mortar. Even unprotected metal heating pipes in liquid screed are generally not recommended.

In office construction, hollow floor systems with heating and cooling are used. Knauf Holbodensysteme for heating and cooling consist of high-strength GIFAfloor FHB gypsum fiber elements, which can be carried out in one or two layers and an additional layer GIFAfloor UB Klima as milled gypsum fiber elements that represent the heating and Kühlebene. The big plus of these systems is the fast reaction time through hot water heating cables integrated directly below the surface. So the heat can be delivered directly to the room via the floor covering.


For energetic soil remediation systems are preferably used, which are either particularly thin, since you want to build space saving on existing screed constructions. Or systems that can be installed very quickly to have only short downtime.

Retrofitting underfloor heating with little effort is possible with thin-layered floor temperature control systems from a construction height of just 16 mm. On the existing, load-bearing and prepared subsoil, knobbed foil elements such as the Minitec system are applied by Uponor and cast with Knauf gypsum balancing compounds N 430 and N 440 or cementitious with N 340. An additional impact sound enhancement is also possible as a construction on an insulating layer with Knauf N 440.

When it comes to time-saving soil remediation with floor tempering, precast floor screeds – also called dry screeds – are used on floor heating systems of type B (Uponor Siccus). The GIFAfloor UB Klima elements represent a special solution with precast screeds for heating and cooling. These are pre-milled gypsum fiber elements in which the heating pipe is laid and the open millings are filled flush with the filling compound GF. These elements are laid over the entire surface like a precast floor screed or as an additional level on the dry hollow floor system GIFAfloor Klima.

Heating and cooling systems in Knauf Maschinenputzen

Wall surface heating systems are systems that offer enormous advantages, especially in connection with modern heat generation techniques. As low temperature heaters, they are particularly energy efficient and allow the use of large areas of space for heating.

The particular advantage, however, is that due to the significantly lower temperature difference of the heating surface to room air hardly arise air currents. The amount of dust is thus significantly lower. Due to the radiant heat, pleasant, uniform temperatures prevail throughout the room, which ensures a comfortable living atmosphere and a healthy indoor climate. From a design point of view, these heating systems also offer a decisive advantage, since the room image remains free of disturbing radiators. Thus, the requirements for maximum comfort with minimum investment and operating costs can be met.

Whether as a wall surface heating in living rooms, as a ceiling cooling system in offices or as a component tempering system in museums, these systems are usually integrated into the plaster layer. Gypsum plasters, such as e.g. Knauf MP 75 G / F. Due to the high thermal conductivity of the Knauf gypsum plaster, the heat is transferred without loss into the entire plaster layer and thus radiates the entire surface into the room.

In addition, Knauf gypsum plasters have the right processing consistency and shrinkage-free setting. The plastic mortar consistency and the spray pattern with machine processing enable complete, bubble-free embedding of the tempering system. Due to the shrink-free setting, single-layer plastering of systems, even with large pipe diameters, is easily possible. Plaster thicknesses of 40 – 50 mm can be realized rationally and safely.

These advantages are obvious:

  • Bubble-free embedding of the pipes
  • High layer thicknesses can be realized in one layer
  • Shrink-free setting
  • Optimum temperature distribution
  • High cooling capacity
  • Also suitable for domestic wet rooms
  • Moisture permeable, skin-friendly – ideal for a healthy living environment
  • Surfaces are smooth and structurable
  • Wallpaperable, flowable and spreadable

Temperature control of rooms

Cooling ceilings are used in particular for the temperature control of offices, shopping centers or restaurants. The cooling ceiling is flowed through by cool water, with normal flow temperatures between 16 ° C and 18 ° C. The warm room air rises to the ceiling, where it releases the heat to the cooling ceiling and the cooled air sinks back into the room.

Thanks to the radiant cooling, pleasant, uniform temperatures prevail throughout the room. In contrast to classic air conditioning systems, there are hardly any air currents. This avoids drafts and the amount of dust is significantly lower – this ensures a comfortable atmosphere and a healthy feel-good climate.

Knauf gypsum boards can be used to produce high-performance cooling ceiling systems with perforated or closed surfaces. These are fastened in the form of a blanket directly under the blanket pressure resistant to the raw ceiling.

Pictures: © emco Bau- und Klimatechnik GmbH, Lingen

Cooling ceilings with capillary tube mats on plasterboard

In the case of chilled ceilings with capillary tube mats on plasterboard, the mats are fastened tightly to the gypsum plasterboard ceiling without overlapping with special staples. The pressure-resistant substructure for the suspended plaster ceiling slab must be designed for the additional load of the wet plaster. Recesses for lamps and ventilation grilles can be produced by pulling apart the capillaries up to a diameter of about 150 mm.

Then the ceiling, including capillary tube mats, is plastered with Knauf MP 75 L or MP G / F (layer thickness approx. 10 mm) and the surface is finished according to the required quality level and desired structure. The plastic mortar consistency and the spray pattern of this gypsum plaster provide complete, bubble-free embedding of the capillary tubes.

Further processing instructions for plastering cooling ceilings can be found in the brochure P10 Knauf Gipsputze – Verarbeitungstechnik .

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Christina Cherry
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