There's Only 1 Sterno®. For over 100 years Sterno has been the trusted and leading manufacturer of portable chafing fuels. 2 Hour Sterno Safe Heat® with PowerPad® offers our highest-heat output performance. Patented PowerPad Wick with integrated wide-pad technology combines the safety and efficiency of wick chafing fuel with the high-heat power of gel chafing fuel to provide the hottest heat output and broadest flame. Each can stays cool to the touch for operator safety. UL Validated. Ideal for buffet chafers and buffet kits.