Things to do during coronavirus (V) quarantine: how to clean the hood filter without damaging it | ICON Design

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The kitchen as a place of therapy. Keep your hands on the dough during quarantine for him coronavirus (COVID – 19), is becoming one of the healthiest escape routes. According to a study by the University of Cambridge, eating dinner at home every day means eating an average of 320 fewer calories (and up to 16 grams of sugar) a day. In addition, when we cook each element, we become aware of its elaboration, thus controlling the quantities and satiating ourselves in the moment.

Generating more dirt when our activity in the kitchen increases is, if anything, the only drawback. As part of the deep cleaning that we can carry out these days, it is essential to keep the entire work area in optimal conditions, free of grease and bacteria that can lead to more serious problems.


The hood or fume extractor hood of a kitchen is the perfect candidate for accumulating dirt, but often due to its location, we forget to clean it properly. Not only do they absorb odors and grease from the kitchen, but they also free the entire room of annoying fumes by purifying the air.

Thorough filter cleaning

Before cleaning, we must remember what type of hood we have in the kitchen. The most frequent are extraction and absorb all the circulating smoke to expel it to the outside through a tube that connects to the nearest facade. This type of extractors have removable metal filters that we must clean regularly so that they are not damaged.

clean filters quarantine hood

The chain of household appliances Teka recommends a thorough cleaning every two months, which will be simplified if we carry out daily care with a cloth moistened with warm water and a few drops of degreased agent or neutral soap. When removing the filters, it is necessary unplug any outlet and make sure the hood is cold. The instructions manual specifies how to remove the filters, something that varies depending on the model and manufacturer, although they usually have a simple mechanism that allows pressing on one side to remove the opposite. If the user guide is not retained, it can be found on page on-line Of the brand.

The easiest way to clean the filters thoroughly is with a simple cycle in the dishwasher. If not possible, it can also be done by hand. To do this, get a basin or a place to immerse them in boiling water and degreasing soap. One of the most widespread detergents in our country, made with natural fats and oils that respect the skin and the environment, is Beltrán soap.

After waiting a few minutes for the fat to soften, rub with the mixture and a soft scouring pad or a handle nail brush. Then rinse with clean water and allow the filters to dry well. Remove the remaining moisture with kitchen paper.

The hardest part, the interior

Cleaning the inside of the hood is the most expensive task due to its angular shape that makes access difficult. First, spray with a strong degreaser, type KH7, a soft sponge to remove fat that has stuck to it. If the dirt persists, make a mixture of hot water, baking soda, and a degreasing agent, such as a concentrated detergent or cleaning vinegar.

With a soft scouring pad, and using circular movements to avoid scratching the surface, it firmly removes the remains of grease, where a multitude of bacteria that are not in sight accumulate. An excess of grease can obstruct the duct and hinder the correct transfer of the fumes. Therefore, it is advisable to repeat your cleaning every month.

Natural remedies: before dismantling

Lemon or vinegar are powerful degreasing agents, as well as an ecological and economical alternative to supermarket chemicals. The Cleaning Tips portal recommends filling a saucepan with two liters of water and the juice of three lemons and bringing the mixture to a boil. This process will be done with the hood on and without disassembling for approximately 20 minutes.

clean filters quarantine hood
Recirculation hood with activated carbon filter. | honey

If you prefer to substitute citrus for white vinegar, it will require at least one hour of cooking. In both cases, try to place the pot on the plate that forms a vertical line with the extraction nozzle to make cleaning more effective. As the water dissolution decreases or becomes dirty, add more water and lemon or vinegar, thus preventing the container from burning. The steam will condense the upper fat into a liquid that will fall onto the plate, previously covered with absorbent paper so that it does not get dirty.

Next, disassemble the filters to soak them in soap and water, as we pointed out in the first step. Go over the most difficult areas inside with a cloth soaked in hot water and ammonia. In the corners, it is recommended to use a soft toothbrush. Don’t forget to always carry rubber gloves and a face mask to avoid breathing toxic gases that ammonia can generate.

Care not to scratch and ugly the surface

The exterior surface of most modern hoods is made of stainless steel, highly resistant but also very sensitive to scratches. Avoid using very hot water and stiff bristle brushes, and better apply neutral soaps or specific wipes for stainless steel, like these from Siemens for 6.95 euros. Wipe them all over the area and then dry with a cotton cloth or a paper towel that is not rough. This process should become a mandatory gesture after cooking, such as cleaning the ceramic hob.

If the hood is made of aluminum or has glass elements, it will be enough to use glass cleaner if the grease is not very strong. The kitchen company Novy recommends that you avoid wire scrapers and scouring pads in all cases, and use a soft sponge to avoid scratching the appliance. The controls and remote controls in ceiling hoods require special care, since the entrance of water or any liquid can damage the electronic system. If the hood stops working, it is best to contact a specialist before handling it, as the warranty could be lost.

Should I clean the recirculation filters?

clean filters quarantine hood
Ceiling extraction hood ‘Cielo’, by Mepamsa. | mepamsa

Unlike smoke extractors, recirculation hoods absorb and purify the air through activated carbon filters, returning it clean and without the need for an exit abroad. These strainers retain impurities thanks to their porous surface and it is not necessary to clean them thoroughly, at most remove the grease with a damp cloth but without immersing them in water.

Carbon filters have a limited life and should be changed periodically to avoid the risk of fire and ensure its correct operation. To remove them, it is usually necessary to remove the outer cover of the hood, unscrewing the part if indicated in its user manual, which also indicates the frequency with which this operation must be done.

Currently, there are hoods that allow the use of regenerative or reusable carbon filters that last up to 10 years. It is advisable to clean them once or twice a year, placing them in the oven for two hours at a constant temperature of 200ºC.



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