Unnecessary venting is a thing of the past with the SmartFlow  technology! The HFVsf adjusts the fresh air volume and cooling output to the currently requirements. This means minimum energy costs at highest comfort. It‘s an investment that pays off!

• Highest energy efficiency by low primary pressures
• Demand-controlled ventilation for all uses; easy change of use possible
• Good client response through individual user influence
• Economically and efficient even for renovation projects
• High user comfort: Fresh air and cooling output can be controlled, extremely low-noise operation
• Variable installation in sill for existing or new projects
• With NFC technology:  Power-off and easy parametrisation and set-up with LTG NFC app
• Complete control system solution

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