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Germ Guardian AC4100 vs. AC4825 vs. AC5250PT vs. AC5350B vs. AC5900W

  • Writer: Loredo Litherland
    Loredo Litherland
  • Apr 4, 2022
  • 5 min read

In this buying guide, we’re taking an in-depth look at the Germ Guardian AC4100, AC4825, AC5250PT, AC5350B, and AC5900W. Each one of these Germ Guardian air purifiers is great, but they each offer different. You’re going to learn what these features are, and which Germ Guardian air purifier is right for you.

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What Does The Germ Guardian AC4100 Offer?

The Germ Guardian AC4100 is a small air purifier that can fit onto a desk or table. It is designed for small rooms and spaces that are, at most, 76 square feet. As a result of this, this air purifier is great for bedrooms, offices, and other small rooms and spaces.

Germ Guardian AC4100

To use this air purifier, you just need to turn it on, and then air from within the 76 square foot radius will flow into the air purifier. As it flows into the air purifier, it will be pushed through a True-HEPA Air Purifier.

What this True-HEPA Air Purifier does, it removes the dust and allergens from the air. But, if you want the air purification process to be a little more thorough, you can turn on the UV-C Light, which can kill germs.

There are three fan speeds that you can choose from, which allow you to choose how fast the air purifier runs. By using this setting, you can tailor the air purification experience to your needs.

Germ Guardian AC4100 Review

What Does The Germ Guardian AC4825 Offer?

The Germ Guardian AC4825 is a larger, but still rather small, air purifier that is designed for rooms that are up to 167 square-feet. For smaller apartments and spaces such as kitchens and bedrooms, this is an excellent air purifier.

Germ Guardian AC4825

Germ Guardian AC4825


When you turn this air purifier on, air will begin to flow through a Pre-Filter, and then a True-HEPA Filter and an Activated Charcoal Filter. With the Pre-Filter, large particles are removed. Then, the True-HEPA Filter removes the dust and allergens.

Finally, to end the process, the Activated Charcoal Filter removes bad odors and smells.

As for the settings, there are three fan settings that you can choose from. Plus, you’re able to activate a UV-C Light, for a more thorough air purification experience, depending on your air purification needs.

Germ Guardian AC4825 Air Purifier

What Does The Germ Guardian AC5250PT Offer?

From a design standpoint, the Germ Guardian AC5250PT looks just like the Germ Guardian AC4825. But, it is a little larger and a little bigger, and it’s designed for spaces that are no more than 180 square-feet. This, too, is a great air purifier for apartments and smaller rooms and spaces.

Germ Guardian AC5250PT

Germ Guardian AC5250PT


While the air purifier is running, it makes use of a Pre-Filter, Activated Charcoal Filter, True-HEPA Filter, and a UV-C Light. Each one of these air purification mechanisms works exceptionally well and allows all of the air in the space where the air purifier is located to be completely clean.

With the Pre-Filter and Activated Charcoal Filter, large particles are removed from your air, and bad smells and odors are completely removed. And then, the True-HEPA Filter removes the really small particles, such as nasty allergens, which can help prevent allergies and colds.

To end the process, there’s the UV-C Light, which you can choose to activate or leave inactive, and this is great for killing germs and viruses.

As for the settings that you have access to, there are five fan speeds that you can choose from, as well as a timer. These settings allow you to tailor the air purification process to what works well for you!

Germ Guardian AC5250PT Review

What Does The Germ Guardian AC5350B Offer?

When you take a look at the Germ Guardian AC5350B, you’ll notice that it has a lovely design. This design is clean, concise, and, aesthetically, quite pretty. It is this elegance and aesthetic beauty that serves as one of the key selling points of this air purifier.

Germ Guardian AC5350B

Germ Guardian AC5350B


As for the spaces that you can use this air purifier, this air purifier can be used in spaces that are no larger than 167 square feet. While running in those spaces, it pulls in air from all across those spaces and then pushes that air through a Pre-Filter, Activated Charcoal Filter, True-HEPA Filter, and a UV-C Light – if you choose.

Each one of those air purification mechanisms works very well at keeping your air nice and clean. This is a very powerful air purifier that works well in any space, no matter how dirty the air is.

As for the different settings that you have access to, there are five different fan speeds that you can choose from, as well as a timer that allows you to program the amount of time that the air purifier runs for.

Each one of these settings can be accessed on the front of the air purifier, using a very simple and easy-to-use control console.

Germ Guardian AC5350B Review

What Does The Germ Guardian AC5900W Offer?

For the final air purifier, the Germ Guardian AC5900W, we have an air purifier that has an absolutely lovely design and aesthetic, while also offering plenty of power and functionality. Using this air purifier, you can purify spaces that are no more than 338 square feet.

Germ Guardian AC5900W

Germ Guardian AC5900W


When it comes to the air purification mechanisms that this air purifier uses, it relies on a Pre-Filter, Activated Charcoal Filter, True-HEPA Filter, and a UV-C Light. None of these air purification mechanisms are unique, but they do an excellent job at keeping your air nice and clean.

As for the different settings that this air purifier gives you access to, there are three different fan speeds that you can choose from, as well as being able to program a timer that allows you to determine when the air purifier is on and running, and when it’s not.

While none of these settings are unique, they do give you plenty of control over how the air purifier runs, which makes it easy for you to use the air purifier in the manner that you choose.

Germ Guardian AC5900W Review

Air Purifier | Recommended

Our Pick No. 1


Air Purifier | Recommended

Our Pick No. 1

Our Pick No. 2

Our Pick No. 3

This website is supported by readers. As an Amazon Associate we earn from qualifying purchases. If you have any questions, please add them below in the comment section. Similarly, please let us know if you spot any mistakes.

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