Counter flow ventilation

Controlled mechanical ventilation ensures the supply of fresh air inside a building in order to guarantee a good indoor air quality.


Counter flow ventilation units are equipped with two fans to supply and extract air.

A cross-flow heat exchanger recovers the energy contained in the extracted air and transfers it to the supplied air. This significantly reduces the building’s energy consumption, while at the same time keeping a good quality of the indoor air.


Universal mounting compact unit (Z).

Suitable for small and medium size apartments, with nominal air flow up to 200m³/h.
Universal mounting (horizontal or vertical).

Horizontal mounting unit (H).

Suitable for single family houses, with nominal air flow rates up to 350m³/h.
Horizontal mounting.
Easily accessible lower panel for maintenance and inspection.

Vertical mounting unit (V).

Suitable for single family houses, with nominal air flow rates up to 350m³/h.
Vertical mounting.
Easily accessible front panel for maintenance and inspection.

Balanced ventilation

a. Fresh air / b. Extract air / c. Exhaust air / d. Supply air.
· Suitable for single family houses or apartments with low energy requirements
· High-efficiency sensible heat recovery, thanks to polypropylene counter-flow heat exchanger with large exchange surface and low pressure drop
· High comfort and quiet operation, by using brushless fans with electronic motor and modulating control
· Highly efficient air renewal and filtration, with 80% ePM1 filters
· 3 unit types: compact universal mounting (Z), horizontal mounting (H) and vertical mounting (V)
· Compact dimensions for simplified installation and panel easily accessible for maintenance and inspection