Compare prices for more than 300 different robotic cleaners
Popular in Jul :

Germ Guardian Air Purifier AC4825 – Smart Air Purifier Price Comparison

Add to wishlistAdded to wishlistRemoved from wishlist 0
Add to compare
Add your review
Set Lowest Price Alert
Notify me, when price drops
Set Alert for Product: Germ Guardian True HEPA Filter Air Purifier for Home, Office, Bedrooms, Filters Allergies, Pollen, Smoke, Dust, Pet Dander, UV-C Sanitizer Eliminates Germs, Mold, Odors, Quiet 22 inch 3-in-1 AC4825 - $82.99
Check all prices

☑ 3-in-1 HEPA filter
☑ Energy star rated
☑ UV-C light
☑ 3 fan speeds
☑ 3-year limited warranty
☑ Effective air purifier odor removal

Last updated on July 6, 2020 11:14 am
Germ Guardian Air Purifier AC4825 – Smart Air Purifier Price Comparison
Germ Guardian Air Purifier AC4825 – Smart Air Purifier Price Comparison

Score & Analysis

Features Score



Price Range : LESS THAN $100

Group Rank : #12( out of 29 Products )


Average score in the group


Best score in the group



Overall Rank : #54( out of 85 Air purifier )


Average score in Air purifier


Best Score in Air purifier



Features Group This
Best Average Remarks Best Average Remarks
CADR (Clean air delivery rate) 235 127.67 below average
N/A 184.33 below average
CADR Dust 155 91.24 Above average
118 164.7 below average
CADR tobocco smoke 155 84.79 Above average
108 163.45 below average
CADR pollen 159 96.11 Above average
125 176.64 below average
Air changes per hour 5 4.46 below average
4 2.8 Above average
Energy consumption [Watt] 15 42.22 Above average
N/A 65.6 below average
Room Size 600 172.83 below average
167 332.98 below average
Noise level [db]-Air purifier 24 40.4 Above average
N/A 41.09 below average
Airpurifier weight [lb] 2.9 8.21 Above average
4.08 13.22 below average
Warranty [Months] 60 35.14 Above average
36 42 below average


Features of Germ Guardian AC4825 Carbon Air Purifier

Germ Guardian AC4825 Carbon Air Purifier is good at to capturing various airborne pollutants like dust, pollen, smoke, mold, bacteria, etc.

We are all aware of the increasing pollution in our surroundings. And our homes are no exception. There are innumerable amounts of pollutants indoors which are often not visible to you. These can be 2-5 times higher than the outdoor pollution levels. They lead to health issues like allergy triggers and asthma symptoms.

A carbon air purifier can help to capture the pollutants and keep the air clean and fresh. The GermGuardian air purifier is a powerful device with a 3-in-1 HEPA filter.

It is a powerful device with many useful features.

UV-C Light

This Guardian air purifier features a UV-C light that kills several viruses like staph, influenza, rhinovirus, etc.

The guardian air purifier works in combination with Titanium Dioxide and reduces volatile organic compounds and decomposes the odor molecules. This feature is a great addition which is not popular among many air purifiers.


The air purifier odor removal operates in absolute silence. It is not as loud as a fan and hence does its job without disturbing you.

At the lowest setting, it can hardly be heard. And hence, you can peacefully sleep while it gives you clean air to breathe.

3-in-1 HEPA Filter

One of the most notable features of the GermGuardian air purifier AC4825 is the 3-in-1 HEPA filtration system.

This guardian air purifier consists of a Pre-Filter and Charcoal Filter combined into one. The Pre-Filter captures the larger air particles like dust, pet hair, etc. While the charcoal filter reduces odors from pets, household cooking and smoking.

The HEPA Filter eliminates 99.97% of airborne contaminants such as pollen, pet dander, germs, mold spores and allergens down to 0.3 microns. This filtration system gives you a crisp, clear, and fresh air in very little time.

Filter Replacement Indicator

A very useful feature in this carbon air purifier is the filter change indicator. You don’t have to worry about the replacement date. When it is time to replace the filter, the LED indicator will illuminate. The filters need to be changed every 6-8 months, depending upon the usage.

Price History

Price history for Germ Guardian True HEPA Filter Air Purifier for Home, Office, Bedrooms, Filters Allergies, Pollen, Smoke, Dust, Pet Dander, UV-C Sanitizer Eliminates Germs, Mold, Odors, Quiet 22 inch 3-in-1 AC4825
Latest updates:
  • $82.99 - June 27, 2020
  • $96.49 - March 13, 2020
  • $84.99 - February 27, 2020
  • $72.25 - February 18, 2020
  • $84.99 - January 17, 2020
Since: January 17, 2020
  • Highest Price: $96.49 - March 13, 2020
  • Lowest Price: $72.25 - February 18, 2020

Additional information

Specification: Germ Guardian Air Purifier AC4825 – Smart Air Purifier Price Comparison



Mold spores



Bacteria and viruses

Chemical and gas fumes

Odros and smells

Pet dender

CADR rating

CADR (Clean air delivery rate)




CADR tobocco smoke


CADR pollen


Air changes per hour


Energy consumption [Watt]


Room Size


Noise level [db]-Air purifier


Filters & Sensors
Hepa fliter

True hepa Filter

Air quality sensors

Carbon filter

Filter replacement indicators


Washable pre filter

Other useful
Carrying handle


Digital control

Night light

Programmable timer

Technology-Air purifier
0.3µm particle removal (%)


Antimicrobial treatment

Ozone free

Photocatalytic oxidation

Plasma wave technology

Airpurifier Height [inch]


Airpurifier Length [inch]


Airpurifier weight [lb]


Airpurifier Width [inch]


Warranty [Months]


Wireless controls

Amazon Alexa-Air

Google Assistant-Air

App Control-Air

Remote Control-Air

Voice Control-Air


Does this Guardian air purifier add to noise pollution?

No. the air purifier is quiet while operating and does not add to any kind of noise. The lowest speed is very quiet and best suited for sleeping. The medium speed is not loud as well. The highest setting is fairly noticeable but again not too loud.

Can this purifier help with houses that have pets?

Yes. The air purifier for odor removal features a 3-in-1 HEPA filter. The filtration system helps to trap pet hair, pet dander, and odor too. So, if you have pets around, this purifier can definitely be of great help.

How often do I need to change the filters?

The 3-in-1 HEPA filter needs to be changed every 6-8 months. But it depends upon the use of the purifier.

Is the pre-filter washable? Can it be reused?

No. The pre-filter is not washable. You can clean it with the brush attachment of the vacuum cleaner. This will help to remove all the dirt and dust that accumulates. Yes, you can reuse the pre-filter.

What kind of maintenance does this carbon air purifier need?

For maintaining the purifier you should clean it at least once in a month. The pre-filter/charcoal filter can be cleaned with a vacuum cleaner. The exterior of the unit can be cleaned with a clean, soft, dry cloth.

How long does the pre-filter last?

The pre-filter of the purifier lasts for about 6-8 months.

Where to place the purifier for optimal performance?

The purifier must be placed on a flat and firm location. To enable efficient airflow the device must be placed 1 foot away from walls and furniture. Also, ensure that the grills of the device are not blocked in any way.

What airborne impurities does the air purifier eliminate?

This carbon air purifier is capable of capturing several airborne particles like pet hair, pet dander, pollen, dust mite, allergens, smoke odors, chemical vapors, etc.

How much is the weight of this Guardian air purifier? Is it portable?

8.82lbs. Yes, the Guardian AC4825 purifier is portable. There is a built-in carrying area behind the purifier. This makes it very convenient to carry it from one room to another.

What special feature does it have?

A very special of this purifier is the addition of the UV-C light. The light helps to kill the viruses and bacteria from the air. It is an optional feature, so you can turn the UV-C on/off by using the control on the device.

Who can use this air purifier?

Anyone who wants clean and fresh air inside their homes can use the device. It is also capable of capturing pet hair, dander, pollen, dust, and odors. Thus, this device can provide relief to people with pets and also help those with allergy triggers. This purifier is a great device for cleaning the air indoors. With an additional power of the UV-C light, this purifier can kill viruses and bacteria efficiently

How much is the power consumption? Is there an energy star rating?

The purifier along with the 5 watts UV-C light consumes a power of 60 watts. Yes, the device has an energy star rating. It complies with all the efficiency standards of the US EPA.

How much room coverage can the GermGuardian AC4825 air purifier provide?

167 sq.ft. is the room coverage provided by the purifier. Thus, it is ideal for small to medium rooms. The ACH of the GermGuardian purifier is 4x per hour.

Is there an app for controlling it?

No. The purifier does not have any app for wireless control.

What is the warranty?

The purifier comes with a 3-year limited warranty. This covers any defects in the parts or workmanship from the manufacturer. However, it does not include the UV-C bulbs.

What type of filter is used in the GermGuardian air purifier AC4825?

There are 2 types of filters in the purifier. The first is the Pre-Filter/Carbon, which works to capture larger air pollutants like pet hair. It also traps odors and smoke to keep the air smelling fresh. Then there is a HEPA filter that traps 99.97% of particles like dust, pet dander, pollen, dust, etc.

How many speeds does it have? Is it adjustable?

3 fan speeds are present; low, medium, and high. You can adjust the speed as you like, with the help of the control button provided at the top of the purifier.

Is it ozone free?

Yes. The GermGuardian AC4825 air purifier features a UV-C light option, but it does not produce unwanted emissions. The UV-C light is enclosed and there is no harm of unsafe ozone levels.

Can the purifier turn off automatically?

No. There is no automatic turn off feature in this device. The on/off switch is placed at top of the purifier. You can use the switch to turn the device on/off.

Is there a filter change indicator and an air quality detector?

Yes. There is a filter change indicator. The purifier features an LED light that illuminates when it is time to replace the filter. However, there is no air quality indicator.

Is there a remote control feature?

No. The Guardian air purifier does not have a remote control feature. All the controls buttons are placed at the top of the device. These include the on/off, fan speed, and the UV button.

What is CADR value for the GermGuardian purifier AC 4825?

The clean air delivery rate for this carbon air purifier is 108 (Smoke), 118 (Dust), 125 (Pollen).

Reviews (0)

User Reviews

0.0 out of 5
Write a review

There are no reviews yet.

Be the first to review “Germ Guardian Air Purifier AC4825 – Smart Air Purifier Price Comparison”

Your email address will not be published. Required fields are marked *


Additional Information

Register New Account
Reset Password
Compare items
  • Total (0)