Mechanical ventilation

The wood frame houses have central ventilation systems with very efficient fans (12 W) for the extraction of used air. Fresh air is admitted through de-central special openings in the fa├žade.

Mechanical ventilation with heat recovery

The 16 massive houses in the southern part of the area are equipped with a de-central (room) ventilation system with heat recovery. As room air is exhausted, the system warms a small heat storage mass. After a time interval, the fan reverses and draws outside air in over the mass, thus tempering it. The units are coupled in pairs: while one ventilator extracts, the other draws in fresh air. Each house has a total of six fan/storage systems.

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