Bathroom exhaust fan – it is an electric device that allows to ventilate and ventilate the room, also eliminating mold and odors. It is a device that also keeps the walls, floors and joints in good condition despite the presence of moisture and humidity in the bathroom, because when evacuating the air to the outside condensations are avoided. The extractors need to be connected to the electrical network so they should not be placed on the shower or bathtub unless they are located at a distance above the ground above 2.25 m. Neither should they be placed on top of the radiators.
To avoid heat loss, or next to doors or ventilation grilles, because that way you can create a microcircuit that will not renew the air properly. The bathroom exhaust fan is also known as wall fans, that is, they are fans placed between two spaces separated by a roof, a wall or a wall. To ensure the proper functioning of these devices and to comply with their function, it is necessary that the exhaust flow is ten times greater than the air volume of the room. If you need to ventilate for example a bathroom 2 meters wide, 2 m.
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Long and 2.25 m. high, which occupies a volume of 9 m3 (2x2x2.25). the extractor must have an bathroom exhaust fan flow of 90 m3 / h. Being small local this flow is not very high and the power they consume is not, it varies between 8 and 35 w. This allows the noise they emit not to be excessive, around 20 dB. They are systems that hardly need maintenance, it is only necessary to periodically clean the dust that accumulates in the grid, and check the status of the internal ducts that connect the inlet and outlet holes of the appliance.