44 DucoBox Energy Comfort Plus (D350/D450/D550) Smart demand management based on CO2 and/or humidity measurement Comfort Plus with acoustic casing = 10dB quieter! L/R interchangeable 100% software-based Smart 2-zone control with external valves Patented principle of double by-pass Dynamic Airflow Filters For maximum efficiency Low power consumption due to energy-efficient EC motors First choice for building projects This smart and even more silent ventilation unit with metallic casing can be chosen with a capacity of up to 550 m3/h. Unique for this range: 3 models for 3 different airflows
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