GermGuardian AC4900CA 3-in-1

GermGuardian AC4900CA 3-in-1 Quick Review

GermGuardian AC4900CA 3-in-1 is another affordable air purifier in GermGuardian long list of tower air purifiers. Designed in a familiar housing that is proven to be sturdy for long-haul, GermGuardian AC4900CA is the ideal model for user that is allergic to airborne allergens yet does not need an overly comprehensive air purifier. Comparing the air purifier CADR, air flow delivery rate, coverage and power consumption, what is the different between GermGuardian AC4900CA 3-in-1 and other tower air purifier in terms of filtration effectiveness against airborne contaminants? Let's delve into the review below.
± 149.99 p
     Annual filter ^    
± 72 - 100 p
Online price*
Latest Amazon price

GermGuardian AC4900CA Specification

ProductGermGuardian AC4900CA
7.1 x 21.8 x 8.9 in
(18 x 55.4 x 22.6 cm)
Weight9.7 lb (4.4 kg)
Coverage (up to)150 sq. ft. (14 m2)
Dust free (CADR)
Pollen free (CADR)
Smoke free (CADR)101 cfm (172 m3/h)
Airflow speed
- Lifespan
- Replacement cost ($)
Charcoal pre-filter
6 - 9 months
HEPA filter
- Lifespan
- Replacement cost ($)
True HEPA filter
6 - 9 months
Carbon filter
- Lifespan
- Replacement cost ($)
Ionizer/ Technologies
UV-light/ PCO
LB4000 UV-C Light
10 - 12 months+- 24.99
Other filter
All-in-one filter
- Lifespan
- Replacement cost ($)
FLT4825 Filter-B True HEPA
6 - 9 months
+- 34.99
Optional/ Addon
FLT22CB4 Carbon Filter (4 pack)
+- 14.99
FLT4850PT Filter-B-Pet True HEPA
6 - 9 months+- 39.99
Noise level
Power consumption
Timer/ Scheduler
More color options
Auto mode
Air qualityAQ indicator
Filter change indicator
Wi-Fi/ BTBluetooth
Remote control
Child lock
Warranty3 years
Email/ Phone support
Product image

Key features

  • 3 speed, 4-stage filtration
  • True HEPA filter with 99.97% filtration on airborne irritants as small as 0.3 microns
  • Charcoal pre-filter
  • Optional UV-C light technology with Titanium Dioxide
  • Quiet operation
  • 3 years warranty

GermGuardian AC4900CA review

  • Cost less than $100 (after discounted online price).
  • Above average coverage and CADR for a tower air purifier of its category.
  • Utilize True HEPA filter instead of the less efficient HEPA-type filter.
  • UV-C light that can be turn on or off for extra filtration depth.
  • 3 years warranty comes standard.
  • Expensive filter replacement cost that would cost around the price of a brand new unit on heavy use.
  • Charcoal pre-filter is not great against chemical smoke and strong odors.
  • Small UV-C light compare with other models that uses a full tab.
  • UV-C light is tucked inside the filter that require unscrewing 2 screws to replace the bulb.
  • Basic unit with no timer, AQI sensor or the highly convenience Auto mode
GermGuardian AC4900CA dimension
7.1 x 21.8 x 8.9 in
(18 x 55.4 x 22.6 cm)
GermGuardian AC4900CA weight
9.7 lb (4.4 kg)

Fairly equivalent to other tower air purifier, GermGuardian AC4900CA 3-in-1 conventional slim design is what most people will be acquainted with. Covered by a streamline, beveled borders with front ventilation and a big dial knob control. The dial knob control allows fan speed adjustment with separate buttons for UV-C light and filter reset. Overall the 3 years warranty assurance means GermGuardian AC4900CA 3-in-1 build quality is at decent level that would go on for many years.

Airflow capability and purifying coverage

GermGuardian AC4900CA 3-in-1 has a characteristic of a tower air purifier so purifying coverage is nothing to shout about. Best use in limited space or small room area, many people would prefer to use GermGuardian AC4900CA 3-in-1 in their bedroom, work desk or next to sofa.

Moving on with the purifying effectiveness, GermGuardian AC4900CA 3-in-1 consistent airflow distribution guarantees nearby air-borne particles will be trap and capture. Thanks to the True HEPA filter, charcoal pre-filter and UV-C light, any type of air contaminants and substances as small as 0.3 microns will be capture by the air purifier and prevent from further disseminating.

Maintenance and care

No issue with the maintenance of GermGuardian AC4900CA 3-in-1 with its proportionally shaped exterior. GermGuardian AC4900CA 3-in-1 is very alike to most air purifier that its body platform could be maintain using a wet cloth or along with little washing liquid on residual stains. Other than the hassle UV-C light change that requires unscrewing 2 screws, family that is frequently utilize the air purifier would appreciate how simple GermGuardian AC4900CA 3-in-1 can be clean on unavoidable dust.

Noise level and power consumption

GermGuardian AC4900CA 3-in-1 does not have the greatest airflow delivery rate which in a way also contributed to the low noise level. Ideal for bedroom use as the quiet operation will not disrupt with the people’s sleep. As an ENERGY STAR Rated unit, GermGuardian AC4900CA 3-in-1 optimized airflow purifying will save you loads of money on electricity bills in long run. Put next with usual household appliances, GermGuardian AC4900CA 3-in-1 overall electricity consumption is undoubtedly lower within similar time frame.
noise graph

Final thoughts on GermGuardian AC4900CA 3-in-1

Rounding up, GermGuardian AC4900CA 3-in-1 is another entry-level tower air purifier that has it own upsides and downsides. If you are OK with the high annual filter replacement cost and lack of practical features, GermGuardian AC4900CA 3-in-1 is no doubt a solid choice.

Covered against
GermGuardian AC4900CA VS Dust



GermGuardian AC4900CA VS Pollen



GermGuardian AC4900CA VS Hair

Hair/ Pet hair


GermGuardian AC4900CA VS Dust mite

Dust mites


GermGuardian AC4900CA VS Mold/ Mildew

Mold/ Mildew


GermGuardian AC4900CA VS Pet dander

Pet dander


GermGuardian AC4900CA VS Virus/ Germ

Virus/ Germ


GermGuardian AC4900CA VS Tobacco smoke

Tobacco smoke


GermGuardian AC4900CA VS Chemical



GermGuardian AC4900CA VS VOCs



GermGuardian AC4900CA VS Smoke/ Gas

Smoke/ Gas


GermGuardian AC4900CA VS Odor



GermGuardian AC4900CA 4-stage filtration and purifying applicable area is brilliant when up against allergens, irritants, bacteria and viruses. It is highly efficient on large airborne pollutants specifically hair, dust. Having said that against tiny, micron-size pollutants, GermGuardian AC4900CA 3 speed airflow input/ output + is better than average at cleaning out pollen, mold, mildew, pet dander and dust mites.  On odors and smokes, GermGuardian AC4900CA filtration is substandard in overcoming chemicals, fire, cooking odors, VOCs, tobacco smokes, cigarette, vapor and radon.

Verdicts and ratings

Build quality
Airflow delivery
Particle Filtration
Smoke Filtration
GermGuardian AC4900CA 3-in-1

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