How come induction stove is more energy-friendly than gas stove (with gas cylinder), while induction stove is using electricity and gas stove is not ?
In: Technology
In a gas stove, chemical energy is converted into heat. This process is very efficient, with only a little bit of energy lost as light (visible flame) or sound (hissing). However the heat from the gas stove leaks out around the pot, so not all the heat energy is going into your food.
An induction stove doesn’t actually heat up, it causes the pots and pans placed on it to get hot. This means almost all the heat generated by the stove is going into your food, making the induction stove very efficient.
But there is another thing to consider; generating electricity has an efficiency cost. So the true efficiency of the induction stove has to account not only for the efficiency of the stove heating the food, but also of the power plant turning oil, coal, or natural gas into electricity and sending it to your house. Once you consider this cost, an induction stove may be less efficient than a gas stove.
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