Ermen Systems offers advanced decentralised mechanical ventilation with heat recovery solutions designed for energy-efficient, healthy indoor environments. Featuring the Fantini Cosmi Ecocomfort range, these wall-mounted units deliver over 90% heat recovery, low-noise operation, and smart humidity sensors for automatic airflow control. Ideal for retrofits and single-room applications, they provide continuous fresh, filtered air without ductwork while reducing heat loss and lowering energy costs.