Hybrid system
Combination of permeable fabric and distribution elements.
A combination of full-surface distribution and directional performance in one system.
The hybrid system combines two proven approaches uniform air supply through permeable fabric and targeted airflow through perforations or nozzles. The result is an active yet still comfortable air distribution method, with low velocities where desired and greater energy where the air needs to reach further into the space.
The distribution elements slightly increase the outlet velocity, which makes it possible to bridge longer distances or height differences without compromising comfort. At the same time, part of the air continues to be supplied passively through the fabric surface, helping to maintain a balanced indoor climate without draughts.
Thanks to this combination, the hybrid system is well suited for ventilation, cooling, and heating, especially in spaces where conditions change or multiple functions overlap (e.g., classrooms, offices, commercial kitchens, or sports halls).
This is also why it is the most commonly used solution in our portfolio.
Cooling at a temperature difference of 3°C
The hybrid system combines full-surface air supply with targeted airflow direction, significantly increasing cooling efficiency compared to a fully permeable system. It is the distribution elements (DFC perforation or nozzles) that help carry cool air further from the diffuser and enhance its dispersion in the space.
As a result, the air mixes more quickly, temperature drops more evenly, and local cold zones are minimized. The airflow remains soft and comfortable, but carries more energy, allowing for better control of air distribution.
This makes the hybrid system ideal for efficient cooling without draughts, even in spaces with higher internal loads or variable solar gain.
Efficient ventilation
During ventilation, air is supplied at the same or very similar temperature as the indoor environment. In this mode, the goal is to achieve fast and even air exchange without compromising thermal comfort.
The hybrid system meets this requirement more effectively than a fully permeable solution. Its distribution elements enable faster air mixing, reducing the time needed to reach the desired indoor air quality.
Thanks to the combination of low-velocity full-surface supply and targeted outlets, air is efficiently distributed throughout the entire room. The result is a stable and hygienically safe environment, without turbulence or draughts ideal for schools, offices, meeting rooms, or any space with long-term occupancy.
Heating at a temperature difference of 3°C
A hybrid system can be an effective solution for heating, provided that at least 40% of the warm air is delivered through the distribution elements. At this ratio, the outlet air has sufficient velocity to reach the occupied zone, while also entraining the warmer air passing through the permeable fabric.
This prevents warm air from rising directly to the ceiling without being used, which is a common issue with fully permeable systems.
Therefore, the correct perforation ratio during the design phase is crucial for achieving even heat distribution, especially in rooms with standard ceiling heights and a requirement for low thermal stratification.
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