Acthys

Acthys, the specialist in renovation ventilation for pre-1982 multi-family housing.

For four decades, Acthys has been leading the way in developing solutions for renovating building ventilation, specifically targeting multi-family housing built before 1982, equipped with individual or collective shunt or Alsace-type natural draft ventilation, or flue ducts.

Our mission is to meet our customers' needs in their low-pressure renovation projects, guided by four principles: innovation, trust, respect, and sharing.

Our Matrys and Helys hybrid mechanical ventilation solutions are specifically designed to address the need for effectively renovating existing ventilation systems

Acthys solutions

01

MATRYS U box

A major component of low-pressure mechanical ventilation, the MATRYS U extract unit creates a negative pressure in the ventilation network, and varies it according to the detected need for air renewal.

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02

HELYS Premium H800 fan

A major component of hybrid ventilation, the HELYS Premium assistance fan ensures optimum air renewal all year round.

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03

H315 HELYS fan

An essential component of hybrid natural ventilation, the HELYS assistance fan maintains the desired air flow rates all year round in a system operating on natural draft.

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