Germ Guardian AC4825 Review

Air Purifier
Germ Guardian features the True HEPA filter1 that gets rid of up to 99.97% of harmful germs, dust,2 pollen, pet dander, mold spores, & other allergens. It’s UV-C light3 aids in killing the airborne viruses like influenza, staph, rhinovirus, & it effortlessly works with Titanium Dioxide to remove volatile organic compounds.
Germ Guardian AC4825

Review Feature Summary

  • 3 IN 1 air purifier for home.
  • True HEPA air filter.
  • Pre filter traps dust, pet hair, and other large particles.
* On special until end August 2020

Germ Guardian AC4825 Air Purifier

Mark Johnson
Mark Johnson
Air Quality Expert
Last Updated:  Aug, 2020
Rated from 9184 reviews.

I think you’ll agree with me when I say:

It’s REALLY hard to choose an air purifier with all the options available!

Or is it?

Well, it turns out, that after years and hundreds of hours of testing & reviewing, we have strong opinions about what makes the best air filtration system: level of purification, efficiency, and maintenance.

The Germ Guardian AC4825 (On special until end Aug, 2020) has all the qualities and features, giving it an added advantage and an edge over its competitors.

Quick Summary of the Germ Guardian AC4825

GermGuardian air purifiers kill germs and viruses, filter odors, and trap allergens with a True HEPA filter and optional UV-C light to deliver crisp, refreshing air to your home. POWERFUL AND CUSTOMIZABLE, you’re at home comfort can be customized with 3-speed settings, ultra-quiet mode on the lowest speed setting, and an optional UV-C light on an easy to use top panel.

The Good & the Bad


  • Perfect for Smoke & Odor Elimination
  • Ideal for Larger Rooms like Living Rooms & Workshops
  • Captures 99.97% of Allergens & Germs


  • The air purifier is pricey, but given all its incredible features & the 99% allergen-free cleaning system, it’s worth every penny.

Key Features

  • AHAM Verified – The air purifier's CADR has been independently tested for its ability to remove all VOCs.
  • HEPA, UV-C & Charcoal – HEPA Filter captures 99.97% of dust & allergens as small as .3 microns such as household dust, pet dander, mold spores & plant pollens.
  • Energy Star Certified & Carb Compliant – Product earned Energy Star by meeting strict energy efficiency guidelines set by the US EPA.
  • Quiet Operation – At its lowest setting, you can use the purifier's without worry. It gives out a gentle white noise at night for a quiet & restful sleep.
  • Settings – You can choose between 3 speed settings and an optional UV-C light.

What's Included?

Here's what you get when you buy this Air Purifier:

  • Air Purifier
  • 3 Year warranty
  • Pre-filter and charcoal filter
  • True HEPA filter
  • UV-C Light

Common Questions

  • Does the Germ Guardian AC4825 come with a filter?

Yes, it comes with a HEPA filter and a carbon filter that work together. These are good for about a year and 6 months respectively.

  • Is the Germ Guardain AC825 Noisy?

Yes, it can be noisy especially on high speed. However, you can always leave it in your living area when you go to sleep.

Is Germ Guardian A Good Air Purifier?
Is Germ Guardian A Good Brand?
How Long Does The Germ Guardian Filter Last?
Does Germ Guardian Air Purifier Emit Ozone?

Our Verdict

This air purifier is an excellent option because the HEPA filter trap germs and viruses, filter odors, and allergens and optional UV C-light to deliver crisp, refreshing air to your home

What to Look for in a New Air Purifier?

If you’re in the market for a new Air Purifier, you’re probably looking at the different options and wondering which is the best one to choose.

Don’t worry, we’ve got you covered. Our reviews are based on the following features:


Only the most effective purifiers make the cut.

Noise Level

So there's more clean air and less noise.


Because you need a machine that’s built to last.

Ease of Use

It needs to be easy to use and easy to clean.


The Top Air Purifiers We've Reviewed


IQAir Health Pro Plus

Our Rating: 9.2/10

IQAir Health Pro Plus​


Rabbit Air A2

Our Rating: 9.4/10

RabbitAir MinusA2​



Our Rating: 9.0/10

Winix 5500-2


Honeywell 50250

Our Rating: 8.6/10

Honeywell 50250-S

Have you read our article on the air purifiers reviews?

Or our article on the the best allergy purifier?

Mark Johnson

Mark Johnson

Mark advises business, individuals, and organizations on how to use and get the best purifiers so as to maintain their offices and homes. For a fresher and cleaner environment, he is the man for you. He loves ideas and concepts and uses his skills to make them a reality.

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