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Germ Guardian AC4825E Air Purifier Review: Best Overall

It features a true HEPA filter, charcoal filter, UV-C light, and many other features which eradicate harmful particles from the air.

Germ Guardian AC4825E air purifier

Germ Guardian AC4825E air purifier

This air purifier is ideal for people who want to keep their environment clean as much as possible. This one will keep your place smelling fresh and clean 24/7.

  • Brand: GermGuardian
  • Product number: AC4825E
  • Power source: Corded electric


The 4-in-1 air purifier has every feature that you can think of that will help to keep the air clean and fresh all around the clock. It can capture and remove particles as small as 0.3 microns so there is absolutely no chance that airborne particles will be lurking around. It is safe, easy, and performs well.


  • Effectively kills germs and allergens
  • Circulates air over 4x times per hour
  • Energy-star certified


  • Has a distinct new product smell when you use it the first time
Noise level
Value for money

The details

The magnificent Air Purifier by Germ Guardian has everything that one requires for the perfect sanitation of the house. It can kill all germs, eradicate allergens, and reduce unpleasant odors to the best of its abilities. Moreover, the unit also has a silent operation which is perfect for night use as well!

Noise level

The operational noise of the unit is very low. You might hear a slight buzz if you are using it at high speeds. On the other hand, at lower speeds, it becomes so quiet that you would barely notice it if it is on. So, if you have sensitive ears, then this air purifier is the best for you.


The unit is jam-packed with features! It contains a HEPA filter that catches 99.97% of germs, allergens, and dust in the air and truly purifies the air. The charcoal filter further lessens the various unpleasant odors from different sources; cooking, smoking, pet litter. The UV-C Light eliminates bacteria, mold spores, and viruses from the air whereas the TIO2 treatment works with UV-C light to reduce VOC (Volatile Organic compounds; These are harmful to health and are usually produced when you burn fuels and tobacco at home. They are also present in paints, perfumes, dry cleaning fluid, and even hair sprays!).


The unit does a pretty good job of clearing the air as much as possible. The HEPA filter can catch particles as small as 0. Microns so whether it is pet dander, mold spores, dust, or pollen particles, it will capture them all!


The absolute best thing about this particular air purifier is that it has many filters to ensure that the air remains clean, pure, and without any odors. It is around air purifier that is ideal for home or office use.

Final verdict

The unit has passed our satisfaction threshold. It has a user-friendly interface and also works silently. Furthermore, it reduces all sorts of unkind odors and removes bacteria, allergens, and dust particles from the air. So, if you are looking for a unit that provides optimal performance, this is the one.

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