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Germ Guardian AC4825 Air Purifier Review

The Germ Guardian AC4825 3 in 1 True HEPA air purifier with UV Sanitizer and odor reduction is the former number one bestseller. This air purifier is one of the best in the price range under $100.

The Germ Guardian AC4825 Air Cleaner is ideal for small to medium spaces and has a recommended room size of 155 square feet (14m2).GermGuardian AC4825 3-in-1 Air Purifier with True HEPA Filter, UV-C Sanitizer, Captures Allergens, Smoke, Odors, Mold, Dust, Germs, Pets, Smokers, 22-Inch Germ Guardian Air Purifier

Pros

  • Price and easy maintenance
  • UV-C technology
  • Performance
  • Slim design that saves space

Cons

  • The UV indicator is way too bright


Germ Guardian AC4825 Design, size, placement

The design is a subjective matter, but I like this unit. It is slim and sleek; the Germ Guardian AC4825 air purifier very well fits in a corner.

Just remember to leave space (at least 1 foot) between the wall and the air purifier because the air inlet is at the unit’s back. Also, don’t place anything in front of it because of the air outlet.

In my opinion, Germ Guardian AC4825 is pretty high – 21.5 in (54.6cm), higher than a normal bed. But tight width and depth compensate for that.

An air purifier is very lightweight, only 8.82 lbs (4kg). So you can easily move it from space to space. Of course, carrying a handle makes it easier.

Height

21.5 in.

54.6cm

Width

5.5 in.

14cm

Depth

9.25 in.

23.5cm

Weight

8.82 lbs.

4kg


How does it work, and what sources of indoor pollution destroy?

GermGuardian AC4825 3-in-1 Air Purifier with True HEPA Filter, UV-C Sanitizer, Captures Allergens, Smoke, Odors, Mold, Dust, Germs, Pets, Smokers, 22-Inch Germ Guardian Air PurifierThis air purifier works with a fan – dirty air is sucked through filters.

Does it work and destroys everything that is mentioned in the picture above? Yes, it does.

I have a susceptible nose and usually smell odors that others don’t. Germ gGuardianAC4825 removes cigarette and kitchen odors pretty fast. It also doesn’t have problems removing dust mites and mold spores; it helps if you have respiratory issues, dust mite allergy, etc.


Germ Guardian AC4825 Features

  • The control panel is easily accessible; it is on the top of the air purifier.
  • The control panel is a straightforward – UV-C bulb button and power knob which switches the air purifiers on low, medium, and high modes.
  • Carrying handle helps you easily move it from space to space
  • Energy-star certified – 40% more efficient than standard models

Germ Guardian AC4825 Noise level

The manufacturer says quiet operation. But it is quiet only on the low setting.

Of course, the highest fan speed will not disturb you during the day, but you should use the first speed at night.


Germ Guardian AC4825 CADR

CADR – clean air delivery rate.

  • Dust Rating: 131 CADR
  • Smoke Rating: 112 CAD
  • Pollen Rating: 123 CADR

For you to better understand CADR, let’s calculate.

Germ Guardian AC4825 is recommended for rooms up to 155 square feet.

Let’s say a regular ceiling height is 8 feet. 155×8=1240 cubic feet.

Next, calculate how much time it takes to cover all rooms.

  • To remove dust: 1240/131 = 9.5 minutes
  • To remove smoke: 1240/112= 11 minutes
  • To remove pollen: 1240/123= 10 minutes

Now it is much easier to understand how effective an air purifier will be.

I like to compare all models to each other and Germ Guardian AC4825 is no exception. It’s main competitors are AirDog X3, Airthereal APH260, Hathaspace HSP001, Levoit LV-H132, Okaysou AirMic4S, Afloia Miro, Afloia Kilo Pro and Happi My Happi.

AirDog is higher end air purifier with more features, better design and it costs more of course. Other brands are similar price but most of them are newer models so they are quieter and has lower power consumption than Germ Guardian.  


Germ Guardian AC4825 Maintenance and upkeep

You will have to change filters every 6 to 9 months. That’s individual. There is no filter change indicator, so you will have to look at the filter. If the filter is white, it is ok. If the filter is dark gray or black, you should replace it.

To elongate filter life, you can regularly clean lint and dirt from filters. Pre-filter and HEPA filter comes together and costs approximately $30. So that would be $60 in a year. 

Filters change. Remove the back filter cover, pop out the used filter, and install a fresh one.

Depending on use, the UV-C bulb should be replaced every 10 – 12 months. It costs around $15. 

In the high setting, Germ Guardian AC4825 consumes 55W plus 5W bulbs. Together 60W wattage. That is less than your PC or TV—a little more than a fridge.


Germ Guardian AC4825 Summary

I am not surprised that this Germ Guardian AC4825 was the best seller. It costs under $100, delivers clean air in 10 minutes (if used in recommended size room), saves space, and has a lightweight, easy control panel—ideal for allergy and asthma sufferers.

Read another air purifier review from the GermGuardian family – GermGuardian AC4100 True HEPA Filter Air Purifier Review.

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