subject: What Are Dehumidifiers? [print this page] What Are Dehumidifiers? What Are Dehumidifiers?
Dehumidifiers are mostly home appliances, which helps in reducing the humidity present inside air, which is required for some health reasons. Mold and mild dew grows in house if these things grow inside house they create undue risks. If the level of humidity grows inside house it creates condensation which not good for health. Owing to high condensation, you will not be able to sleep properly inside the house and even you will have problem for insects like cockroaches and cloth moths. You will find 30% to 50% relative humidity in this air. If you want desired humidity in industry then do use dehumidifiers.
We have seen dehumidifiers inside refrigerator, which helps in controlling humidity inside refrigerator. These kinds of humidifiers are known as refrigerative humidifiers. The basic logic behind this is that vapor pressure of water due to saturation decreases because the temperature also decreases. The water, which is present in the air, condenses and it gets collected in the bucket behind. This air gets reheated with the help of that side of refrigeration coil which is warm. If the temperature has higher ambient then this process of dehumidification works well. It is mostly non-effective in lower temperature. Peltier heat pumps are used in electronic gadgets as a gadget for dehumidification and it is highly effective in nature. Mechanical compressor are not used in this kind of dehumidifiers and their nature is quiet as much noise is not created buy them. The designs of these dehumidifiers are so simple that when they get wear and tear condition, it takes very low cost to repair them.
Air-conditioners are known to be automatic in this regard as the automatically dehumidify the air when they cool the air. It happens so that the level of relative humidity also goes down. If the window units bought are new, it helps in condensing the air with the help of the cool water or the water, which got collected. This is done when the water present is evaporated from the outside window. You must have heard about centralized air condition system, in this case since a huge area is covered by one machine, it is often connected to a drain in the nearby area. Owing to the fact that air conditioners at times act as a dehumidifiers so is the case of makeshift dehumidifiers where we use the window units. Well with these examples it must be clear to you as in what actually is this dehumidifiers.
