Countertop Commercial Convection Oven. Convection ovens come in a variety of sizes to better fit any kitchen, and while that's practical, it also means not everything will fit in them. A convection oven is generally higher priced than a simple toaster oven or countertop baker.
For most models, the heat and the fan are the only electrified parts. It is equipped with a fan that circulates air and keeps the temperature inside steady, enabling the food to cook evenly. The convection baking technology in select countertop ovens helps deliver even cooking.