Register the delivery and installation of the DUCO ventilation system to enjoy the extended warranty terms.
Warranty registration
Please consult the for conditions and standard and extended warranty periods.
Where can I find the serial number?
The image below shows the serial number, which can be found on the inside (DucoBox Silent / DucoBox Focus) or top (DucoBox Energy Comfort / DucoBox Energy Premium) of the DucoBox.
