Humidity controlled ventilation systems, depending on their type (Hygro A, B, Gas), modulate the flow of extracted air (service rooms) and incoming air (main rooms) in line with the relative humidity in all of these rooms.
These systems are the subject of official Technical Appraisal (category GS14) by the Building Science and Technology Centre CSTB.
Technical appraisals define the sizing of systems, design and implementation guidelines, and system parts maintenance recommendations for all ANJOS product ranges.
Products falling in the scope of Technical Appraisal are subject to the current certificates:  
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The Technical Appraisal for “ALIZÉ humidity controlled forced ventilation systems” covers three types of system:
• Hygro A, where humidity controlled vents are coupled with self-regulating air inlets
• Hygro B, where humidity controlled vents are coupled with humidity controlled air inlets
• Hygro Gas, where thermo-regulated combustion gas extraction exits in kitchens alongside humidity controlled vents and humidity controlled or self-regulating air inlets. |