Why are dehumidifiers so effective at removing moisture from the air?
Dehumidifiers are a common household appliance, but many people don’t understand how they work. So, how does a dehumidifier absorb large amounts of water from the air?
The operating principle of a dehumidifier is based on a cooling cycle. Through this principle, moisture in the air is condensed into water to achieve effective dehumidification.
Specifically, when the humidity in the air is high, the dehumidifier will draw in moist air. The moisture will pass through a filter to remove dust before entering the cooling unit. In the cooling unit, the refrigerant will evaporate at a low pressure, continuously absorbing moisture from the air and reducing the surface temperature of this part.
After passing through the cooling unit, the moisture will be separated from the air. Then, the device will blow out the dried air.
With this operating principle, dehumidifiers not only make living spaces drier but also create a comfortable environment for users. At the same time, when humidity is controlled below 60%, the risk of bacterial and harmful microorganism growth is significantly reduced, thereby protecting furniture and electronics from damage. In addition, dehumidifiers can also filter dust, pollen, and bacteria, improving air quality.
Potential risks when using dehumidifiers
Dehumidifiers have proven their importance in improving the quality of life by reducing humidity in the air. However, consumers need to be cautious about the proliferation of low-quality dehumidifiers on the market.
These products are often made from cheap materials and outdated technology, not only ineffective in controlling humidity but also potentially hazardous, such as wasting energy, safety hazards, and emitting toxic substances that are harmful to health.
In addition, using a dehumidifier incorrectly can also be counterproductive. Specifically, it can lead to the following risks:
– May produce dust mites, causing allergies
If the humidity level is set too low, especially when the humidity is above 50%, it can lead to the production of dust mites, mold, and allergies, dry skin, and itchy eyes. The optimal humidity level is between 30% and 50%. It is best to set the dehumidifier to around 30-40% in colder areas during hot seasons.
Additionally, if the machine is not cleaned regularly as per the manufacturer’s instructions, it can lead to the buildup of mold. More dangerously, other allergens and harmful bacteria that thrive in the dehumidifier can be released into the air, circulating in your home and causing allergic reactions and health issues.
– Increased indoor humidity
You need to check the water bucket regularly, as if the bucket is full and not emptied, the dehumidifier’s efficiency will decrease significantly, and indoor humidity will rise. Therefore, for dehumidifiers with a small water tank capacity, it is necessary to empty the tank after a few hours of use.
See also: Balancing humidity-absorbing plants to grow indoors during the humid season
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