They often have integral lighters or (in older models) pilot lights,[1] and may have safety interlocks designed to reduce the risk of hazardous gas leaks.
[2] Gas cooking has been associated with negative health effects, such as reduced pulmonary function[3] and a higher rate of respiratory symptoms in children.
For nearly all models of induction cooktops, a cooking vessel must be made of, or contain, a ferromagnetic metal such as cast iron or some stainless steels.
However, copper, glass, non-magnetic stainless steels, and aluminum vessels can be used if placed on a ferromagnetic disk that functions as a conventional hotplate.
Induction cooking is quite efficient, which means it puts less waste heat into the kitchen, can be quickly turned off, and has safety advantages compared to gas stoves.
Cooktops often have a kitchen hood installed overhead to expel or filter smoke, fumes and undesirable odors that result from cooking.
A hot plate or hotplate is a portable self-contained tabletop small appliance cooktop with one, two or more electric heating elements, or gas burners.