Best Air Purifier, Germ Guardian Air Purifier Quick Comparison Review

(Last Updated On: 2016年12月6日)

Germ Guardian company was founded in 1987, is the United States disinfection machine, air purifier products well-known brands, its star product is desktop air purifier. This GermGuardian three in one or four in one air purifier series, not only can purify the air, but also can purify the pet dust.  There are four major model:  AC4825,  AC5000E,  AC5250PT and AC5350B which called four in one air purifier, what is the difference? Best Reviews hope to create healthy life in household.

GermGuardian 4 in 1 filter system
GermGuardian 4 in 1 filter system

The same features list here:
  • True HEPA Filter captures 99.97% of dust and allergens, Odor Reducer.
  • UV-C light technology works with Titanium Dioxide kills bacteria, viruses and mold spores
  • Pre-filter and Charcoal filter reduces common odors from pets, smoking and cooking.
  • Indicator Lights for Filter and UV-C Bulb Replacement
  • Ultra-Quiet Operation
GermGuardian AC5250PT 1
GermGuardian AC5250PT
GermGuardian AC5350B
Germ Guardian AC5350B

So you can find the major filter feature is totally same!!

The comparion is here:
AC5350B AC5250PT AC5000E AC4825
CADR Rated  125+  125+  125+ 100+
Room Size Medium and Large Rooms Medium and Large Rooms Medium and Large Rooms Medium rooms
Product Size 9.06″L x 6.69″W x 27.56″H 11″L x 6.75″W x 27.25″H 10.25″L x 7″W x 28″H 10.25″L x 7″W x 21.5″H
Fan Speed 5 Speeds 5 Speeds 3 Speeds 3 Speeds
Timer 8-Hour Timer no support no support no support
Energy Star Energy Star Qualified Energy Star Qualified no show Energy Star Qualified
Warranty 5-Year Limited Warranty 5-Year Limited Warranty 5-year limited warranty no show
Weight 11 pounds 10.6 pounds 9.6 pounds 7 pounds
Amazon rate No 21 No 6 No 8 No 1


As the above table, the major difference is CADR Rated, Fan Speed, Size,  the timer which only supported by AC5350B is just an Intelligence facter. The product size means the filter size, more bigger means more higher filter performance.

GermGuardian AC5000E
Germ Guardian AC5000E

Which one is best? Depend on your room size and price. Yes, the price.

Please check the price at It is free shipping now.
GermGuardian AC4825
Germ Guardian AC4825

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