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A dehumidifier is a crucial part of your HVAC system. But often times we don’t know how it works. However, in order to understand how the HVAC system heats and cools your home, it is important that you also understand how the dehumidifier works. Besides, when it comes to AC repair and maintenance, knowledge is power.

But before we talk about how the dehumidifier in your home works, let me jog your memory on what is a dehumidifier.


What is a dehumidifier?

A dehumidifier is a commonly used electrical appliance. It is exactly what the name suggests. It is the appliance the de-humidifies the air, meaning it takes away the humidity from the air in a controlled environment.


What is the role of a dehumidifier in my house?

You might wonder why do you even have or should have a dehumidifier in your home. Let me tell you why –

First of all, the dehumidifier maintains the humidity level of your home. When the humidity level in your home rise above your desired level, this humidifier ensures the balanced humidity level.

Secondly, an air dehumidifier can be used to absorb the stinking odor from the room. So, if you don’t want your guests to smell that disgusting odor, a dehumidifier is a good option to get rid of it.  These are the two main reasons why dehumidifiers are used and why you should have one in your home.


How does a dehumidifier work?

Before I talk about how a dehumidifier works, you should that there are two main types of dehumidifiers available these days and their work function is slightly different from one another.

First of all, you have the condensate dehumidifiers that are perhaps the more popular dehumidifiers in the market and then we have the desiccant dehumidifiers.

Let’s start with Condensate Dehumidifiers –


1.       How Condensate Dehumidifiers work?

A condensate dehumidifier generally works with a refrigerator of its own. The job of the refrigerator is to collect the water. Mostly, it is known as the condensate, hence the name, Condensate dehumidifiers.

The collected water is greywater most of the time. However, from time to time, can be reused for manufacturing or other industrial purposes.

There are a number of a dehumidifier, more specifically, condensate dehumidifier manufacturers. Their team always tries to incorporate the latest and best technology to make the process and your life easy. As a result, some Condensate dehumidifier manufacturers offer the popular reverse osmosis filters that turn the condensate into mostly portable water.

You should also know that these dehumidifiers need to dispose the water off to continue the dehumidification process. While many of them, if not most of them dispose the water off in its liquid form, there are some popular models that dispose the water off in its vapor form instead of liquid form. This can be done by the ionic membrane dehumidifier.

Now, let’s get into the desiccant dehumidifier and how that functions.


2.       How Desiccant Dehumidifiers work?

The desiccant dehumidifiers are sometimes referred to as absorption dehumidifiers. This type of desiccant dehumidifier works by bonding the moisture with a hydrophilic material. Often times, this hydrophilic material is silica gel.

To make the desiccant dehumidifiers accessible to the everyone, manufacturers have brought cheaper versions of it. These cheaper desiccant dehumidifiers usually contain a single-use hydrophilic material. This material could come in a cartridge or in gel and even powder form.

Apart from being used in households, these desiccant dehumidifiers could also be used in commercial space. These larger desiccant dehumidifiers meant for industrial or commercial use have the hot air recovery system. This hot air recovery system is then used to minimize the humidity in the air.


How do I compare dehumidifiers?

To compare two dehumidifiers, you need to take three facts into consideration. First of all, you need to know how much water is removed by that unit in a day. Then compare the efficiency (L/kWh) of these units. Lastly, take the wattage or power consumption into consideration.


Bottom Line

By now, you must have learned how a dehumidifier works and how they are useful in your home heating and cooling system. But there is one other thing that you should remember – take good care of the dehumidifier as you would do to your other HVAC system equipment. Remember, taking care of your dehumidifier is as important as immediate AC maintenance & repair, Air conditioner troubleshoot, air duct cleaning or mold removal. So, don’t take it for granted.


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