How do self-cleaning ovens work?

chef taking food from oven
Self-cleaning ovens have the added benefit of more insulation, which helps the energy efficiency for regular baking.
David De Lossy/Getty Images

The basic idea is "burn baby, burn!"

Self-cleaning ovens use an approximately 900 degrees Fahrenheit (482 degrees Celsius) temperature cycle to burn off spills leftover from baking, without the use of any chemicals. A self-cleaning oven is designed with a mechanical interlock (patented in 1982) to keep the oven door locked and closed during and soon after the high-temperature cleaning cycle, which can be approximately three hours. The door stays locked to prevent burn injuries. You can open the oven door after the oven cools to approximately 600 F (315 C).

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If baking spills are not wiped up after baking, there may be some smoke during an oven cleaning cycle. It is a good idea to remove any pets from the area when running the oven's self-cleaning cycle. There have been reports of oven-heated Teflon-coated items releasing odorless fumes deadly to birds.

Self-cleaning ovens have the added benefit of more insulation, which helps the energy efficiency for regular baking. This is similar in concept to an increased R-factor for home insulation.

You will also save energy costs by using the self-cleaning cycle right after baking, to make use of the already partially heated oven.

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