Top 8 Best GermGuardian Air Purifiers in 2024 {Expert Reviews}

For almost two decades now, the Guardian Technologies LLC has rapidly grown and attained a fair share in the home appliances market. Although it’s considered a fairly new brand compared to others, Guardian has become a renowned brand owing to its prowess in making some of the best air purifiers in the market today.

Apart from a wide variety in sizes and capacity, GermGuardian air purifiers feature unique designs, user-friendly settings, smart-controls, and a CARB compliant UV C light technology that helps to destroy all airborne viruses such as influenza, rhinovirus, and staph. This technology works together with Titanium Dioxide to minimize the effects of volatile organic compounds.

Best GermGuardian Air Purifier – Comparison Table

In this review, we explore the best GermGuardian purifiers and highlight their main features as well as their pros and cons. We also discuss briefly their maintenance and how to get the best out of them. However, before we look at each product, here is a summary of the main features:

Product Name	Filtration	Coverage	Weight
1. Germ Guardian AC9200W Air Purifier (Editor's choice)	True HEPA	335 sq. ft.	20.3 lbs.
2. GermGuardian AC4825 Air Purifier	True HEPA	167 sq. ft.	7 lbs.
3. GermGuardian AC5900W Air Purifier	True HEPA	338 sq. ft.	13 lbs.
4. Germ Guardian AC5350B Air Purifier	True HEPA	167 sq. ft.	11 lbs.
5. Germ Guardian AC5250PT Air Purifier	True HEPA	180 sq. ft.	10.55 lbs.
6. GermGuardian CDAP5500B Air Purifier	True HEPA	167 sq. ft.	11.6 lbs.
7. Germ Guardian AC4820 Air Purifier	True HEPA	167 sq. ft.	10.1 lbs.
8. GermGuardian AC4100 Air Purifier	True HEPA	78 sq. ft.	4.8 lbs.

Reviews of the Best GermGuardian Air Purifiers 2024

Over the years, there have been quite a number of air purifier brands entering the market. Today, we explore one of the best out there. These are the best GermGuardian air purifiers in 2024:

1. Germ Guardian AC9200W True HEPA Filter Air Purifier

The Germ Guardian AC9200W air purifier is CARB certified, AHAM verified, and ENERGY STAR rated making it a terrific air purifier for families. It has a 3-level filtration system which includes a pre-filter, activated charcoal filter, and a True HEPA filter.

Firstly, the pre-filter captures the larger air particles. Secondly, the activated charcoal filter eliminates pet odors, cooking fumes, cigarette smoke, and other contaminants. Lastly, the True HEPA filter gets rid of over 99.9% of stubborn allergens such as pollen, dust, mold spores, pet dander, and mildew.

This is undoubtedly the best GermGuardian air purifier for spacious homes; it serves rooms averaging 335 sq. ft. The Germ Guardian AC9200W air purifier has CADR ratings of 216 for dust and smoke, and 265 for pollen.

Features

• Weight: 20.3 pounds
• Dimensions: 9.8 x 17 x 27 inches
• Room coverage: up to 335 sq. ft.
• Has a handle
• CADR rating: dust -216, Pollen- 265 and smoke – 216
• 3- level Filtration: Pre-filter, activated carbon and True HEPA
• Programmable timer – up to 6hrs
• 3-speed settings
• Filters air up to 4 times per hour – at maximum speed
• Optional UV C light
• Filter life – 6-8 months
• UV C bulb life – 10 – 12 months

Pros

• Friendly to people suffering from allergies
• Efficient filtration using 3-stage filtration; True HEPA, pre-filter, and activated carbon
• Efficient at odor elimination
• Has 3-speed settings and cleans up to 4 times an hour at maximum speed
• Suitable for bedside
• Has optional UV C light
• CARB-compliant, AHAM and Energy Star certified

Cons

• Bulky at over 20 pounds
• A bit pricy

Click here to see its current price.

2. GermGuardian AC4825 True HEPA Filter Air Purifier

If you are looking for an economical, light, and compact air purifier, GermGuardian AC4825 is the one for you. It’s an ultra-quiet air purifier with 3-speed settings. The GermGuardian AC4825 uses optional UV C to kill germs, pre-filter for larger particulates, activated carbon for odor elimination, and True HEPA for capturing allergens down to 0.3 microns.

The air purifier has some of the best customer reviews so you can trust its performance. However, the air purifier serves small-sized rooms of up to 167 square feet.

Features

• Weight: 7 pounds
• Dimensions: 9 x 5.5 x 21.5 inches
• Room coverage: up to 167 sq. ft.
• 3-speed settings
• CADR rating: dust -118, Pollen- 125 and smoke – 108
• Filtration: 3-level; Pre-filter, activated carbon and True HEPA
• Optional UV C light
• UV C bulb life – 10 – 12 months; Filter life – 6-8 months

Pros

• Affordable
• Ultra-quiet
• Effective germs elimination using optional UV C light
• Dependable 3-stage filtration
• Good at odor elimination
• Cleans up to 4 times an hour at maximum speed
• CARB-compliant, AHAM and Energy Star certified

Cons

• No filter change indicator
• Serves small rooms

Click here to see its current price.

3. GermGuardian AC5900W Air Purifier

The GermGuardian AC5900W air purifier offers excellent filtration, germs removal, and odor elimination. Its programmable timers also offer an extended range of up to 8 hours. Additionally, the air purifier boasts impressive CADR ratings of 215 for pollen, 218 for smoke, and 220 for dust.

Although the GermGuardian AC5900W air purifier has been designed for larger rooms of up to 338 sq. ft., it’s easily portable because the product is not too bulky. Additionally, the air purifier’s maintenance needs are also similar to the rest of the GermGuardian air purifiers. The filtration system is quite effective and supported by UV C to eliminate all kinds of allergens.

Features

• Weight: 13 pounds
• Dimensions: 9.6 x 16 x 20.9 inches
• Room coverage: up to 338 sq. ft.
• Up to 8 hours programmable timer
• Optional UV C light
• CADR rating: dust -220, Pollen- 215 and smoke – 218
• Pre-filter, an activated carbon filter, and True HEPA filter
• 3-speed high-performance setting
• Filters air up to 4 times per hour

Pros

• Effectively serves large rooms
• Impressive CADR rating; 215 pollen, 218 smoke, and 220 dust
• Optional UV C helps with germs elimination
• The programmable timer can be set up to 8 hours
• Not too bulky
• AHAM and Energy Star certified
• Operates quietly

Cons

• High maintenance – recommended GermGuardian replacements are relatively pricey

Click here to see its current price.

4. Germ Guardian AC5350B True HEPA Air Purifier

Similar to other GermGuardian air purifiers, the GermGuardian AC5350B effectively eliminates germs, dust, and viruses.  Additionally, the air purifier is effective at trapping stubborn allergens such as pet dander, dust, pollen, mold, and mildew.

Further, the GermGuardian AC5350B is an ideal air purifier for baby rooms since it operates quietly. It has a programmable timer that allows up to 8 hours and filters the air up to 4 times at maximum speed. Also, the air purifier is equipped with a HEPA filter and activated charcoal filter which eliminates odors leaving your house clean and fresh.

Lastly, at only 28 inches and 11 pounds, the GermGuardian AC5350B effectively serves rooms of up to 167 sq. ft.

Features

• Weight: 11 pounds
• Dimensions: 9.1 x 6.7 x 27.6 inches
• CADR rating: 114, 127, 108 for dust, pollen, and smoke respectively
• It serves small to average rooms of up to 167 sq. ft.
• Programmable timer – up to 8 hours
• 5-speed settings
• Optional UV C light
• Equipped with True HEPA filtration
• Filters air up to 4 times per hour

Pros

• Effectively filtration
• Reduces odors effectively
• Quiet operation mode
• Kills germs using UV C
• Up to 8 hours programmable timer

Cons

• Need for filter replacements

Click here to see its current price.

5. Germ Guardian AC5250PT True HEPA Filter Air Purifier

The GermGuardian AC5250PT ranks among the best GermGuardian air purifiers for its Pet Pure feature. The feature contains an antimicrobial agent that helps to minimize mold and mildew growth on the filter’s surface. This in effect eliminates odor and the spread of allergens.

Similarly, the GermGuardian AC5250PT has all the other GermGuardian features which include a True HEPA filter, an activated carbon filter, 5 fan speeds, and a programmable timer, filter change indicator, and optional UV C. This air purifier serves small and medium rooms of up to 180 sq. ft. and has CADR ratings of 126-dust, 128-pollen, and 116-smoke.

Features

• Weight: 10.55 pounds
• Dimensions: 12 x 9 x 29.2inches
• CADR rating: 126-dust, 128-pollen, and 116-smoke
• Pet pure feature – protects the filter for a longer life
• Small area coverage – up to 180 sq. ft.
• Programmable timer – 8 hours max
• Equipped with True HEPA filter
• Filters air up to 4x per hour

Pros

• It’s relatively affordable
• Offers filter protection using pet pure feature
• 97% filtration efficiency using HEPA
• Minimizes odors
• Kills germs using UV C light

Cons

• Expensive to maintain – requires a bi-annual change of filters on average

Click here to see its current price.

6. GermGuardian CDAP5500B True HEPA Air Purifier for Home

The Germ Guardian CDAP5500B makes air cleaning operations easier because it uses smart features. Besides the core Guardian technologies, this 4 in one air purifier is WIFI and Bluetooth compatible. All you need to do is to get the GermGuardian app and configure it to receive notifications. You can also use Alexa and Google voice controls to change settings at your comfort.

Further, the Germ Guardian CDAP5500B serves small to medium rooms of up to 167 sq. ft. It filters air 4 times every hour, trapping all allergens and cleaning unwanted odors. This purifier also features GermGuardian UV C light technology which helps to kill germs and viruses.

Features

• Weight: 11.6 pounds
• Dimensions: 8.2 x 10.5 x 29.5inches
• Room coverage: up to 167 sq. ft.
• WIFI and BLUETOOTH enabled
• CADR rating: dust -114, 108 – smoke, and 127 –Pollen
• 5-speed settings
• Compatible to Alexa and Google voice controls
• Uses automatic air quality monitor (QAM) to check air quality and automatically adjust fan settings
• Optional UV C light
• True HEPA filtration
• Activated carbon filter for odor elimination

Pros

• Smart control at your comfort using Alexa and Google voice controls
• WIFI and BLUETOOTH enabled
• Efficient filtration using a True HEPA filter
• Eliminates odor using an activated carbon filter
• Automatically adjusts to match speed with air quality
• Energy-star certified and AHAM verified
• Eliminates viruses and germs using UV C light technology
• It has night settings for undisturbed sleep

Cons

• Increased use of UV C may be harmful although this is minimized using Titanium Dioxide to reduce volatile organic compounds

Click here to see its current price.

7. Germ Guardian AC4820 True HEPA Air Purifier

Also among the best GermGuardian purifiers is the GermGuardian AC4820 True HEPA Air Purifier. This air purifier is a 3-speed tower with CADR ratings of 102-smoke, 131-pollen, and 112-dust.

Additionally, the Germ Guardian AC4820 is a 3-in-1 air purifier suitable for small to medium rooms not exceeding 158 sq. ft. The HEPA filter and pre-filter ensure over 99.9% capturing of all allergens down to 0.3 microns. Activated carbon filter perfects that by eliminating all odors emanating from kitchen fumes, garbage, pet litter, cigarette, and any other sources.

Features

• Weight: 10.1 pounds
• Dimensions: 12 x 8.5 x 23.8 inches
• It covers up to 167 sq. ft.
• 3-speed settings
• Ultra-quiet
• CADR rating: 102-smoke, 112-dust, and 131-pollen
• Optional UV C light
• Uses pre-filter, True HEPA filter, and Activated carbon filter for odor elimination

Pros

• Quiet operation
• Efficient odor elimination using an activated carbon filter
• Light and compact
• 97% allergens elimination using True HEPA filtration
• Modest tower design that fits any room

Cons

• Requires frequent moving to serve larger rooms
• Filters can prove expensive to maintain especially for highly polluted homes

Click here to see its current price.

8. GermGuardian AC4100 True HEPA Filter Air Purifier

Among the best GermGuardian air purifiers is the GermGuardian AC4100 True HEPA Filter Air Purifier, a tiny desktop gem. If you travel a lot and need an air purifier that is easily portable yet equally effective, we suggest that you pick the GermGuardian AC4100. Although it’s only 11 inches high and weighs below 5 pounds, it has every feature you need in an air purifier.

Just like most GermGuardian air purifiers, GermGuardian AC4100 prides a 3-stage filtration system, UV C light technology, a filter change indicator, and an air-quality sensor. It has a great cube design that fits any setup. This air purifier is suitable for small rooms of up to 78 sq. ft. and has a CADR rating of 56, 76, and 50 for dust, pollen, and smoke respectively.

Features

• Weight: 4.8 pounds
• Dimensions: 7.5 x 6.5 x 11 inches
• Largest area coverage: 78 sq. ft.
• 3-stage filtration: applies True HEPA, pre-filter, and activated charcoal filter
• CADR rating: 56-dust, 76-pollen, and 50-smoke
• Filter change indicator
• Automatic air quality sensor
• Filter life: between 6 and 8 months

Pros

• Highly portable due to its light and compact nature
• 97% filtration efficiency using -3-stage filtration technology
• Reliable for odor and allergens elimination
• Fairly priced
• Energy-efficient – energy star approved
• Modest design – fits in easily in any room
• Ultra-quiet on low setting

Cons

• Only suitable for small rooms

Click here to see its current price.

How to maintain your GermGuardian air purifier and get the best out of it

For you to get the most out of any air purifier, there are things you must do to ensure longevity and efficiency. These include:

GermGuardian filters replacement

The challenge with filters is that they appear similar. You can access a generic filter that perfectly fits your appliance and that makes them feel right. Also, the market is flooded with a variety of them, cheaper and readily available.

Guardian Technologies warns you against installing alternative filters to enable you to get optimal service from your air purifier. You have been provided with the filters’ model numbers under the product summary.

We, therefore, highly recommend you invest in genuine filters. This way, your air purifier will last longer and work more efficiently. Filters last for 8 months at most but if your house is highly polluted, a bi-annual change will serve you better.

GermGuardian UV C light bulb replacement

The UV C light bulbs are designed to last up to 1-year. Avoid extending this period. Remember they work with Titanium Dioxide to lessen volatile organic compounds. That combination of technology is made to match each air purifier.

Just like filters, these bulbs are designed to fit a specific appliance. By opting for generic replacements, you risk having the bulb malfunction. Whether to save time or money, it’s always best to replace with genuine Guardian bulbs as per the model number indicated.

Automatic/manual settings

If your air purifier has an automatic air quality sensor, we recommend you leave it to operate as it is. Nevertheless, we understand some air purifiers can be loud and disturbing at night while on high-setting. If that’s your case, you can adjust to the low setting as you sleep and leave it to operate on auto for the rest of the time.

Room size

Each air purifier has the maximum area coverage indicated. If you wish to use it in a larger room, you will need to keep moving it around. However, we cannot promise it will be as effective as getting one that matches the recommended room area.

Conclusion

Guardian Technologies devices are unmatched and you will not be disappointed regardless of which air purifier you choose from our list. The filtration level is epic and the UV C helps to eliminate germs and viruses.

Additionally, the reviewed GermGuardian air purifiers are uniquely designed, serves small, medium and larger rooms. The devices also have an impressive CADR rating. If you have a big family, a baby, multiple pets, lots of traffic, and probably a smoker, the above GermGuardian air purifiers are a good choice.

In summary, these are the best GermGuardian air purifiers in 2024:

1. Germ Guardian AC9200W True HEPA Filter Air Purifier
2. GermGuardian AC4825 True HEPA Filter Air Purifier
3. GermGuardian AC5900W Air Purifier
4. Germ Guardian AC5350B True HEPA Air Purifier for Large Rooms
5. Germ Guardian AC5250PT True HEPA Filter Air Purifier
6. GermGuardian CDAP5500B True HEPA Air Purifier for Home
7. Germ Guardian AC4820 True HEPA Air Purifier
8. GermGuardian AC4100 True HEPA Filter Air Purifier