How does an extraction hood work?

How does an extraction hood work?

The extraction hood is one of the most relevant decisions to consider when designing a kitchen. You can base your decision according to; the capacity with which it works, the size or the design.

In order to decide which hood would be the best choice according to your kitchen and needs, it is important to know how extraction hoods work and the different types that exist, topics that we will talk about.

What is an extraction hood

A range hood is an appliance placed over the cooktop and designed to remove odors and fumes generated when cooking.

Extraction hoods are responsible for eliminating odors, fat particles suspended in the air, compounds derived from combustion, the heat emitted by the cooktop and steam generated by liquids.

These hoods are technologically designed to perform properly during the periods that are needed. There are different types of extraction that adapt to the design of the kitchen and your needs.

What is an extraction hood

How does an extraction hood work

Extraction hoods are designed to remove odors from the kitchen, improving the quality of the air in the process and at the same time eliminating humidity which contributes to the proper functioning and caring of other kitchen appliances.

At the beginning, the first extraction hood models on the market were considered to be annoying, due to their complicated system, large size and, mainly, because of how noisy they were when it came to fulfilling their functions.

Currently, technology for extraction hoods has largely improved, making them quieter, but without lowering their performance. Within the market we can find two types of extraction that adjust to the different spaces and the consumers needs, extraction or duct out and recirculating.

Extraction or duct out

The hoods with duct out suction are responsible for extracting and filtering the air until it is taken out of the property through an intramural duct, so it is recommended that the duct is as short and direct as possible in order for the hood to perform properly.

This system, in addition to filtering grease particles from the air, it also removes water vapor, eliminating humidity in the environment generated by the cooking process of certain foods when boiling them.


Extraction hoods with a recirculator ensures that the kitchen air goes through a circulation process in which consists of two filters, the first one eliminates fat particles and a second carbon activated filter that is responsible for eliminating odors before sending the air back into the kitchen.

This type of extraction system has several advantages, including the fact that it can be installed in any kind of kitchen, thanks to its easy to install components and that an intramural installation is not required.

Another advantage for these hoods is that by recycling the air in the room, during the cold season the heat from the heating system will not be lost, allowing you to save energy.

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