30-inch Single Wall Oven with TimeSavor Plus True Convection Cooking System Spend less time roasting with this 30-inch single wall oven with the TimeSavor Plus true convection cooking system. It uses a fan and a third heating element to seal in juices and roast 34 percent faster, using 15 percent less energy than a traditional thermal-bake oven cooking a 12-14 pound turkey. Plus, the handy convection conversion function simplifies all of your recipes by automatically converting standard times and temperatures to the convection equivalent. Also, the hidden bake element located beneath the oven floor creates a smooth, easy-to-clean surface. So you get the delicious results you expect in a fraction of the time.