[Daox]

Originally Posted by Drake

Is the energy saved by shortened cooking time offset by energy consumed by fans for blowing air? I know with less and less time to cook a meal shorter cook time can be of its own value. As well as more(volume) of food well cooked in smaller space(less batches for some foods).

Fans really don't require much power at all, especially compared to an oven's heating element. So, I would imagine you would definitely come out ahead energy wise.