A duct-free kit can be purchased separately ... and dust without the use of overhead ventilation or range hoods. You get a cooktop with downdraft that is as good as any other brand, thanks to ...

The rectangular exhaust duct might need to be modified to fit around the ducting. This brings up its own set of challenges. This gas cooktop with downdraft ... a large BTU range are ideal if ...

Whether you're using a downdraft hood ... Also, consider the duct size. If the ducted range hood is too small for the airflow generated, it can create resistance and reduce efficiency.