Downdraft cooktops are no more difficult to clean or keep clean than regular cooktops. The flat surface can cause food to get burned to the surface. It is best to use a razor vlade very carefully to remove the food.
It is easy to take a downdraft cook top with you camping because it can be easily stored in tight places and is light-weight. When you take it camping it can be used anywhere and it is very portable.
Downdraft cooktop means there's a fan on the cooktop that sucks the fumes down through a pipe under the floor instead of having a range hood up above your cooktop.
Gas cooktops either need a downdraft or an updraft. Either way, it's intended to remove harmful gas fumes from inside the home. Allowing the gas to remain in the home would subject all occupants to...