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How to do Dehumidifier Calculation?

Views: 4     Author: Site Editor     Publish Time: 2020-07-02      Origin: Site

The rainy season of the area that has a tropical rainforest climate or monsoon climate are probably the most unbearable weather in the world. Water droplets form on the walls and floors, the bedding and clothes can't get dry after washing and the whole home seems to be in the water. Humid weather not only exacerbates the corrosion and deterioration of household items, but also grows bacteria and mold, causing disease and rheumatism, which greatly affects physical and mental health. But now in the 21st century, dampness problem is finally solved: the dehumidifier is here!

 

Dehumidifier is a machine that extracts much moisture in the air, just like the range hood is specially used to extract the cooking fumes produced by cooking. But, people have "selection difficulties" have another question: how to choose a dehumidifier? Let's take a look at the conclusion: it is most relevant to the indoor area.

 

If you only need to dehumidify in a relatively closed room (such as a bedroom), you only need to consider the indoor area of the bedroom to match. For example, when the indoor area is less than 50 square meters, a small home dehumidifier with a dehumidification capacity of 10L / D can meet the needs of use. When the indoor area is between 50-150 square meters, the dehumidifier with a dehumidification capacity of 20L / D can meet the needs of use.

Choose the Best Home Dehumidifier for Yourself

 

Dehumidifier specifications

There are two ways to calculate the daily dehumidification capacity of a home dehumidifier. The first calculate condition of daily dehumidification capacity is at room temperature 30 degrees Celsius and 80% relative humidity, and the second is at room temperature 27 degrees Celsius and 60% relative humidity. Since the climate in China is predominantly the former, the calculation method is also based on this. Generally speaking, the maximum dehumidification capacity of the former is twice that of the latter.


Preair WH dehumidiifiers for home use

There are three models of WH series dehumidifier, which is WH70, WH95, WH135 dehumidifier. The WH dehumidifiers are specialized for home use and can be directly connected with the HVAC system. They can play an important role in improving indoor air quality. These whole house dehumidifiers adopt the MERV 8 filter which can absorb particulate articles, pet scurfs, etc. The dehumidification capacity of WH70 dehumidifier is 70 PPD when the temperature is 26.7℃ and the relative humidity is 60%, the capacity of the WH95 whole home dehumidifier is 95 PPD, and the capacity of the WH135 whole house dehumidifier is 135 PPD. Before buying a dehumidifier, you need to know the size of the area that needs dehumidifying, the desired dehumidification level, the temperature of the area, the ventilation and climate of the area. If you have problem on choosing proper whole house dehumidifiers for home, please contact preair for advice.

  

Water tank capacity

Generally, the domestic and Japanese brand dehumidifier water tanks are between 2-3.5 liters, which means that if the humidity is very high and the amount of dehumidification is large, if you can't pour water frequently, the effect of dehumidification will be damaged. So if it is really very wet areas, the capacity of the water tank can also be put on the top consideration. At present, our company's largest one is DH-858D dehumidifier with a 6.7-liter.

 

The power consumption of a general dehumidifier is about 200-300W, and the current is about 1.5 to 2 amps, but a few models have 400W-500W. You can see the marked power consumption when purchasing.


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