What Is A Desiccant Dehumidifier?

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6 mins read
Desiccant Dehumidifier What it is and how it works

Are you sick of having excessive moisture in the air? Your home gives off lots of moisture by bathing, cooking, exercising, washing, breathing, and bathing.

While a little moisture is essential for an ideal environment, excessive moisture levels can bring lots of issues.

Too much humidity can make your surroundings unwelcoming. It will not only make allergy seasons more difficult for you, but it will also facilitate mold development.

If you live in a humid household, getting a dehumidifier is a good idea. Most dehumidifiers people are typically acquainted with are intended for compressor-based models.

If you’ve been on the market or browsing the Internet, you may have also heard about a desiccant dehumidifier. Not familiar with this dehumidifier? If so, then read on.

Below, we will show you almost everything you need to know about this. But let’s start with the Top 4 Best Desiccant Dehumidifiers. 

Top 4 Best Desiccant Dehumidifiers

Are you in the market for the best desiccant dehumidifier but overwhelmed with many options? If that’s the case, you have come to the right place.

In this context, we have reviewed 4 of the best desiccant dehumidifiers you can choose from.

1. Hydrosorbent OSG-40 Silica Gel Desiccant DehumidifierHydrosorbent OSG-40 Silica Gel Desiccant Dehumidifier

This product is perfect for small spaces, preferably three cubic feet. Though not the best choice for a bigger space, the Hydrosorbent OSG-40 works best for your camera protection.

It effectively removes moisture using a silica gel that will last a lifetime.


  • Handy to use
  • Small
  • It has a recharge indicator.
  • Great for small spaces


  • It can’t be utilized in a bigger space

2. Eva-dry E-333 Renewable Mini DehumidifierEva-Dry E-333 Renewable Mini Desiccant Dehumidifier

The Eva-dry E-333 perfectly combines coverage area, size, and portability. If you need to control the humidity in your small room, this desiccant dehumidifier is for you.

What’s more, the reviews for this product are all positive.


  • Affordable
  • It will last for ten years.
  • Easy to use


  • If you plan to use this dehumidifier in a bigger space, you will need to use two devices.


3. Ivation 13-pint Desiccant DehumidifierIvation 13-Pint Desiccant Dehumidifier

The Ivation 13-pint is one of the best desiccant dehumidifiers for crawl spaces since it can remove moisture in a largely bigger setting. It also has an option for constant draining.

The desiccant dehumidifier has an LCD that is easy to read. While it is designed for crawlspaces and basements, you can also use it anywhere. If you are worried about the noise, you don’t have to because it has a quiet mode.


  • It is an easy-to-read LCD screen with lots of options.
  • Operates quietly
  • Great for basements and crawlspaces


  • It is pretty expensive

4. EcoSeb DD122EA Classic Desiccant DehumidifierEcoSeb DD122EA Classic Desiccant Dehumidifier

EcoSeb DD122EA is a compact and effective desiccant dehumidifier that controls mold, bacteria growth, and condensation.

It uses Eco Air’s E7 technology to optimize performance and maximize energy savings. This dehumidifier has tilt protection, auto restart function, and over-drying protection for safety.

Furthermore, it sports an ergonomic design that offers better handling and minimizes spillage. It also has an anti-drip tank with a lid and handles.


  • Effective
  • Compact
  • Ergonomic
  • Energy saving
  • Auto-restart function
  • Comes with lots of safety features


  • It is more expensive than the Ivation 13-pint desiccant dehumidifier

Don’t you have time to check every desiccant dehumidifier feature you see on the market? If so, then choose any of the above-mentioned products.

After all, these desiccant dehumidifiers are all great when removing humidity.

What Are Desiccant Dehumidifiers?

Unlike a compressor dehumidifier, a desiccant dehumidifier is a specialized device that doesn’t use coils, refrigeration systems, or compressors to reduce the humidity of the air. On the other hand, this dehumidifier will lower the moisture in your place using a process known as adsorption.

Desiccant-based dehumidification is mainly popular for low-temperature dehumidification since ice developing and intruding compressor operation is impossible.

Furthermore, desiccant dehumidifiers can more efficiently eliminate a significant amount of humidity. This makes them a perfect option for heavy-duty moisture removal works in commercial, residential, and industrial spaces.

Desiccant Moisture Absorber
Source: Amazon.com

How Does A Desiccant Dehumidifier Works?

A desiccant dehumidifier uses a desiccant chemical to absorb dampness from the air.  A fan will then draw the wet air toward the dehumidifier and pass through the desiccant. After that, the desiccant moisture absorber is gradually detained on a rotating wheel.

The rotating wheel that is not utilized is then heated up, so the humidity will drip out to the water tank. Then, it will reheat the air and pump the desiccated air back into your space. This will surely reduce the relative moisture in the atmosphere.

Do Desiccant Dehumidifiers Work?

Usually, a desiccant dehumidifier cannot strive with the drying rate of a compressor. However, if you wonder if this dehumidifier works, the answer is YES.

Desiccant dehumidifiers are efficient, and in fact, they can be the best choice for certain situations.

If you are concerned about our environment, it is important to note that this device doesn’t contain the refrigerants that a compressor does, and such refrigerants can subsidize greenhouse gases.

Moreover, this dehumidifier works better at a superior range of temperatures, especially in cooler settings. At a lower temperature, a desiccant dehumidifier is more efficient than compressors.

Rechargeable Desiccant Moisture Absorbing Bag
Source: Amazon.com

What Is the Best Desiccant?

Desiccant is a hygroscopic substance utilized to sustain or induce desiccation (a state of dryness) in its surrounding area.

Further, desiccants made for specialized purposes might be in forms excluding solid. Commonly, they are encountered in foods to preserve crispness. But for industrial purposes, they are utilized to control the level of water in the gas streams.

Even though some of these substances are chemically sluggish, others need specialized handling methods.

The best desiccant is silica – an otherwise sluggish water-insoluble and non-toxic white solid. But aside from this, there are also molecular sieves (usually zeolites), calcium chloride, calcium sulfate, and activated charcoal.

What Are The Different Types of Desiccant Dehumidifiers?

Here are the four different types of desiccant dehumidifiers.

  1. Commercial Desiccant Dehumidifier

Usually, this type is utilized by various kinds of construction workers. This is because a commercial desiccant dehumidifier is very effective in drying the air and construction materials in extremely cold or warm weather conditions. Most commercial construction institutions prefer this type over a compressor-based model.

  1. Disposable Desiccant Dehumidifier

Also known as a moisture absorber, this desiccant dehumidifier type can only be used once. A disposable dehumidifier has a low humidity-sucking capacity daily, making it ideal for small rooms that don’t need regular dehumidification.

  1. Rechargeable desiccant dehumidifier

Like disposable desiccant dehumidifiers, this type is small and available at a very affordable price tag. Further, it has a low capacity for moisture elimination.

One of the best things about a rechargeable desiccant dehumidifier is that it is wireless and doesn’t need to be plugged in to use it.

However, this type is not ideal in a large room and space with very moist conditions. But it is best used in a small room with minor moisture levels. 

  1. Full-size consumer-grade desiccant dehumidifier

This desiccant dehumidifier type can be a great alternative to a compressor-based model. However, they’re small and have a limited moisture level capability compared to traditional dehumidifiers with compressors.

Who Can Use A Desiccant Dehumidifier?

Everyone who wants an environmentally clean environment free of too much moisture can use a desiccant dehumidifier.

Nevertheless, some prospective users who might benefit from this product are listed below.

  • People who want to have fresh and clean air in silence.
  • Those who need to humidify a space that has a shallow temperature.
  • People who like to maintain a balanced level of indoor moisture.
  • Those who need to dehumidify their valuables that they are regularly using.

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