Germ Guardian AC4825 Air Purifier Review
The Germ Guardian AC4825 3 in 1 True HEPA air purifier witSanitizh UV er and odor reduction is the 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).
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 air purifier because the air inlet is at the back of the unit. 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 that.
An air purifier is a very lightweight only 8.82 lbs (4kg). So you can easily move it from space to space. Carrying handle makes it easier.
How it works and what sources of indoor pollution destroy
Does it work and destroys everything that is mentioned in the picture above? Yes, it does.
I have a very sensitive nose and usually, smell odors that others don’t. Germ gGuardianAC4825 removes cigarette and kitchen odors prettyÂ fast. It also doesn’t have problems to remove dust mites, mold spores, pollen. It helps if you have respiratory issues, dust mite allergy, etc.
- The control panel is easily accessible, it is on the top of the air purifier.
- The control panel is a very simple – UV-C bulb button and power knob which switches air purifier on low, medium and high mode.
- Carrying handle helps you easily move it from space to space
- Energy-star certified – 40% more efficient than standard models
The manufacturer says quiet operation. But it is quiet only on the low setting. Of course, during the day the highest fan speed will not disturb you but at night you should use the first speed.
CADR- clean air delivery rate.
- Dust Rating: 131 CADR
- Smoke Rating: 112 CAD
- Pollen Rating: 123 CADR
For you to better understand CADR lets 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, just 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 will be an air purifier.
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 filters life, you can clean lint and dirt from filters regularly. Pre-filter and HEPA filter comes together and costs approximately $30. So that would be $60 in a year.
Filters change is simple. Remove the back filter cover, pop out the used filter, and install a fresh one.
The UV-C bulb should be replaced every 10 – 12 months depending on use. It costs around $15.
In the high setting, Germ Guardian AC4825 consumes 55W plus 5W bulb. Together 60W wattage. That is less than your PC or TV. A little bit more than a fridge.
I am not surprised that this Germ Guardian AC4825 is the best seller. It costs under $100, delivers clean air in 10 minutes (if used in recommended size room), saves space, lightweight, easy control panel. Ideal for allergy and asthma sufferers.
Manufacturer-Suggested Room Size (sq. ft.)
155 sq. ft. / 14m2
21.5 in. / 54.6cm
5.5 in. / 14cm
9.25 in. / 23.5cm
8.82 lbs. / 4kg
Germ Treatment, Ultraviolet light
HEPA Filter, True medical-grade HEPA
HEPA Filter Type
True medical-grade HEPA
Type of Germ Treatment
Number of Filters to Change
CADR: Pollen Score
CADR: Dust Score
CADR: Smoke Score
Number of Fan Speeds
Filter Change Indicator
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