The way it works is very simple. Commercially available self-cleaning ovens work on the pyrolysis principle. This means that the oven is heated to a temperature of around 500 ° C for 1 to 3 hours. At this temperature, all dirt particles burn and only the ash remains in the oven, which can then be wiped away with a damp cloth.
Does a self-cleaning oven make sense?
As mentioned at the beginning of this article, the oven is one of the household appliances that can hardly be cleaned depending on how dirty it is. Experience shows that there are numerous known household remedies for cleaning the oven, but these hardly help with a badly burned-in oven. Even if heavy soiling can actually be cleaned with a good oven spray, enough time must be allowed for even the best oven cleaner to take effect and the exhausting scrubbing cannot be prevented.
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The benefits of a self-cleaning oven
In order to answer the question of whether the slightly higher cost of a self-cleaning oven is actually worthwhile when buying it, the advantages and disadvantages must first be carefully weighed up.
The benefit of an oven that is self-cleaning is obvious. In the case of a pyrolytic oven, at least, it is actually sufficient to simply start the function for cleaning. Long exposure times and exhausting scrubbing are completely eliminated.
The high power consumption as a disadvantage
Stiftung Warentest cites a test on self-cleaning ovens by the Swedish consumer organization Råd & Rön in an older issue. In this test, attention was drawn to the fact that a self-cleaning oven consumes a relatively high amount of electricity for the cleaning process. Since a pyrolytic oven has to be heated to around 500 ° C for up to 3 hours for cleaning in order to burn off all dirt. As a result, the electricity consumption of up to 6-kilowatt hours for cleaning cannot be avoided and costs of around 60 cents to 1.20 euros have to be estimated for cleaning.
In addition to the relatively high power consumption, it can also be the case that something stinks during cleaning, which can be attributed to the burning of the burnt-in dirt.
Self-cleaning oven - yes or no?
The high power consumption and the possible unpleasant smells during self-cleaning are considered disadvantages of a self-cleaning oven. In contrast, it should not be overlooked that a good chemical oven cleaner can be relatively expensive and, depending on the ingredients, is not very environmentally friendly.
A self-cleaning oven helps save time and effort for cleaning. In addition, there is a really clean advantage that already heavily burnt-in dirt does not remain in the oven and continues to burn in with each subsequent baking process and leads to unpleasant smells during baking.
Best self-cleaning oven
Self-cleaning ovens basically work according to 3 different principles. This is the principle of pyrolysis, catalysis, and hydrolysis.
Pyrolysis oven as test winner
The best cleaning performance is achieved with pyrolysis. With this method, the oven heats up to 500 ° C for 1 to 3 hours. The high heat causes a thermo-chemical breakdown of organic compounds. This means that all pollution is burned and only ash remains. After cleaning, the ashes can easily be wiped off the oven floor with a damp cloth, for example. You can find more information in the complete guide to pyrolysis ovens with recommendations.
The prices for good self-cleaning ovens with pyrolysis range between 400 and 600 euros. Below you will find the best-selling models on Amazon, where you will find additional technical information and experience reports from buyers: View pyrolysis ovens on Amazon.
Self-cleaning oven through catalysis
A catalytic oven has particularly smooth coatings in the interior, as special metal oxides are additionally added to the enamel or ceramic coating. These metal oxides act as catalysts and break down fat particles in water and carbon dioxide. A self-cleaning rear wall, as well as self-cleaning sidewalls, ceilings, and floors, become a fact. The big advantage of this process is that cleaning takes place during the baking process. The disadvantage, however, is that sugar and acidic soiling cannot be removed as easily, which means that even with this principle, reaching for the oven cleaner cannot be prevented. When cleaning with an oven cleaner, care must also be taken not to damage the coating.
Self-cleaning through hydrolysis did not convince in the test
Another known process is called hydrolysis. A hydrolytically functioning oven promises cleaning through the combination of water and heat. This means nothing other than that for the cleaning process, water, and a little washing-up liquid are placed on the bottom of the oven and then the cleaning program is started.
With the exception of old ovens, you can of course add a little water and detergent to any oven. That's also how most home remedies work. For Stiftung Warentest, this process is therefore much more of an additional advertising message.
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