The smart system for the differential humidity control system (FDR) from Helios continuously measures the temperature and humidity indoors and outdoors and then intelligently decides whether there are suitable ventilation conditions.

You can combine Helios FDR with practically every Helios fan, thus creating the perfect ventilation solution for your individual application together with optional additional functions. Ideal for e.g. cellars, garages, laundry rooms and a wide range of applications in the commercial sector.

• There is a reliable decrease in room humidity.
• Adjustable interval ventilation for a minimum level of fresh air.
• Can be combined in almost any way with Helios EC and AC fans.
• Controls supply and exhaust air systems.
• Optional additional functions: auxiliary heating, auxiliary dehumidifier or connection to building control system.
• Intuitive control via the App with many setting options.