Induction cooking offers excellent heat efficiency. Before you begin looking for an induction cooktop or portable heating device, make sure that you understand how induction cooking works. There are specifications related to pots and pans used on an induction cooktop. 4u2peek has assembled some very useful reports related to induction cooking and induction based cooking devices at http://www.4u2peek.com/cooking-with-induction-heaters-cooktops-th-0827.php