On which wall thicknesses can concealed CMV systems be installed?
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On which wall thicknesses can concealed CMV systems be installed?

Flow40 concealed CMVs require a perimeter wall with a minimum thickness of 335mm. Flow70 and Flow100 systems require perimeter walls with a minimum thickness of 460mm.

The product mentioned in this FAQ

Helty flow_100 product

FLOW 100

Air exchange up to 100 m³/hour. Humidity sensor and automatic Free cooling.

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Certified quality and performance

The performance of the Helty ventilation systems are recognized by the Casa Clima Quality Seal and have obtained the SIMA and BioSafe validations

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  • SIMA Certification - Italian Society of Environmental Medicine
  • Biosafe.it Certification