5. GermGuardian AC4100 Air Cleaning System

  • Image Courtesy of guardiantechnologies.com


  • It has a tight footprint which you can move from a room to another.
  • It is available at an affordable price.
  • It is a light weight device.
  • Works best in small spaces such as bedrooms, dens, offices and small living areas.


  • It is not good for chemical sensitives.
  • The GermGuardian AC1400 is not recommended for larger place or areas.
  • The air purifier involves ongoing expenses.


GermGuardian AC4100 is a table top air purifier. It is designed to clean air just enough. The air purifier has no automation modes and sensor but it doesn’t mean that it’s not worth buying. The GermGuardian doesn’t always look like a purifier that can be proved by the GermGuardian AC4100 Air Cleaning System. It looks like a modern speaker that can blend into your room, purifying the air while your guests enjoy the less odor of your home. It has a filter that can remove dust particles, germs and household odors which create clean air at all times.


  • Portability

CADR is 64 for pollen that is responsible for purifying the air in small spaces. It would be good to install the GermGuardian AC4100 on the safe side where the rooms are 70-80 sq. feet large. Its weight is 4.85 lbs. with the dimension of 7.5″ X 6.5″ X11″, which can easily fit on a desktop or other small spaces. It is small enough that you can move it from one place to another.

  • Dual Filtration System 

It comes with two type of filters – charcoal pre-filter, and HEPA filter. The HEPA filter is recommended to be replaced every 6-8 months, months of contamination. FLT4100 is the replacement filter for GermGuradian. This air purifier filter is responsible for capturing 99.97% of air borne particles as small of 0.7 microns.

  • Performance

The air purifier is designed for odor reduction. If the HEPA filters are for small dust particles, the charcoal layers are the pre-filter for getting the large dust particles. The activated carbon is the one responsible for absorbing household and pet odors. The GermGuardian AC4100 is an air purifier that you can put in the kitchen to absorb the smell of foods or what you are cooking. It has an ability to eliminate bad odors in the household.

The two filtration system which is the HEPA and charcoal has a UV-C light that will work with titanium dioxide to fight bacteria and airborne germs. The titanium dioxide is a photocatalyst, which is often found in sunscreen and paint. This activated solid material reacts with sunlight and has an ability to kill bacteria when spotted by ultraviolet light. The UV-C is located on the front in the form of a button to turn on or off this feature. The GermGuardian AC4100 has no ionizer as well.

The air purifier has a two-prong AC plug which can fit into 120V plug outlet. This GermGuardian AC4100 has a three fan speed settings. It will create noise if it’s on it’s highest setting but it’s normal. The noise coming from this machine will not bother you.


GermGuardian AC4100 Air Cleaning system comes with a 1-year limited warranty.


GermGuardian AC4100 is a low-budget air cleaner system that does a good job in purifying the air and minimizing light odors in a small space. This product has an indicator to help you keep track of when you need to change the filter. If you are in the market for a compact air purifying system that works excellent in purifying the air in a bedroom or bathroom, then the GermGuardian AC4100 is worth considering.