A convection oven is an oven that heats food using the circulation of hot air. Convection ovens use a fan to circulate the heat. Traditional ovens do not have fans and they don’t circulate, they just heat up. If you are in the market for a new oven and you aren’t sure if you should go with a convection oven or a traditional model, consider the pros and cons of buying a convection oven. The more you understand, the easier it will be to make an informed decision.