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FAQ

Heat Recovery Ventilation systems present a number of questions and doubts.

This constantly updated section,  provides answers to frequently asked questions about HRV and Helty Flow systems.

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