GermGuardian AP5800W Air Purifier: Trusted Review & Specs

Guardian Technologies’ latest smaller tower air purifier is arguably its best air purifier in years, despite not being its top-end air purifier. Yes, we’re talking about the GermGuardian AP5800W, which is supposed to be what you should buy instead of the GermGuardian AC5900WCA if you don’t need the UV-C light filter. Let’s check it out in our latest GermGuardian AP5800W Review.

Updated: The latest air purifiers you can buy from Guardian Technologies are the GermGuardian AC5109W and GermGuardian AC9600.

GermGuardian AP5800W ranks B+ in our air purifier ranking list. We give the biggest and most thorough database of air purifier reviews in the world.

In Breathe Quality, we have reviewed all air purifiers under these sections. Also, we guarantee that:

  • We provide honest reviews (both pros and cons) so that everyone can make the best decisions.
  • We do not (and never will) exaggerate one product just to let you click the links and buy that product blindly.


germguardian ap5800w review

  • More compact design with powerful performance
  • Finally a quiet GermGuardian air purifier
  • Very good performance per watt point
  • Smart Sensor
  • 3-year warranty

  • Filter replacement cost is a bit high
  • Lacks of UV-C light filter

Guardian Technologies focuses on developing air purifiers that use innovative, safe, and natural technologies to improve your indoor air quality. The company’s core technology platform revolves around UV-C light technology, which has been proven effective in killing 99% of germs in indoor air. However, the GermGuardian AP5800W, which we dub as its top choice at the moment. So, let’s find out in our GermGuardian AP5800W Review.

Other GermGuardian’s Air Purifier Reviews:

GermGuardian AP5800W Price

GermGuardian AP5800W is the budget option in three new tower console air purifiers made by Guardian Technologies, with the GermGuardian AC9600W as its direct upgrade, and the GermGuardian AC5109 as the best selection for anyone who needs a GermGuardian UV-C light filter.

The GermGuardian AP5800W therefore takes a lot of what makes its larger sibling great and distills it into a package that’s much smaller and easier to bring it anywhere in your home. If you’re looking for near top-end tech in a smaller GermGuardian air purifier, you’ll struggle to go wrong with the GermGuardian AP5800W. It’s only problem, you want a GermGuardian air purifier only when you need UV-C light filter.

It comes at a sweet price of $249, which is the price point of the GermGuardian AC5900WCA in the past. The GermGuardian AP5800W will feature the all-in-one air filter like its modern brothers, and it doesn’t have a UV-C light filter, just so you know.

So, it won’t replace the TCL Breeva A5 when it comes to serious dealing with mold, mildew and viruses, but the GermGuardian AP5800W is still a great device to recommend, as it is verified by both the Energy Star and AHAM. In comparison with the top dogs like the Coway AP-1512HH, Blue Pure 311 Auto or Winix A230, the GermGuardian AP5800W’s ranking in performance can go toe-to-toe, and if you select the GermGuardian AP5800W above all the suggested ones of Breathe Quality, you’re fine to go.

Top GermGuardian AP5800W deals right now

GermGuardian AP5800W 19-inch Hi-Performance air purifier tower console with True HEPA filter and Air Quality Sensor.

Perhaps the best GermGuardian air purifier at the moment, with S ranking in performance.

Related post: Best air purifier 2023.

GermGuardian AP5800W Design and Size

The GermGuardian AP5800W is an air purifier that inherits most of the best features from the seriously expensive flagship GermGuardian AC9600W, but cuts a few corners in order to bring the price down to the level of most other common air purifiers in the market. A good move comes from a budget-conscious brand like Guardian Technologies.

It is a smaller version of the AC9600W, heck it’s even shorter than most of the compact tower air purifiers made by Guardian Technologies, like the GermGuardian AC4825 and GermGuardian AC4300BPTCA. The GermGuardian AP5800W is only 19 inches in height and 10.5 inches in width. You’ll feel that smaller size as soon as you set up this air purifier, as it’s surprisingly easy to fit in small bedrooms.

If you’ve owned other Guardian Technologies air purifiers, you’ll notice how the GermGuardian AP5800W is easily the most suitable for any places. It features the bottom-to-top airflow system concept, which is the staple design for an air purifier at the moment. Guardian Technologies finally keeps up with the competition, starting with its GermGuardian AC4200 and GermGuardian AC4700.

There’s also space for the simple control panel on top, as little as possible so the device doesn’t stack dust on top that much. Overall, we love the design of the GermGuardian AP5800W.

germguardian ap5800w review


However, it seems Guardian Technologies replace its symbol ring of light to a line. More or less, you can feel like it isn’t a GermGuardian air purifier anymore.

The GermGuardian AP5800W is a compact air purifier as it wants to be, at 9 lbs. However, it lacks a handle to help you move the air purifier easily.

Related post: Best air purifiers for bedroom.

GermGuardian AP5800W Filters

To determine the performance of one air purifier, you should count on its air filtration system. The GermGuardian AP5800W features a brand new all-in-one air filter, which is very similar to its high-end bigger brothers.

  1. Pre-filter – Using the Activated Carbon filter, this layer of air filter can remove most of the large particles of pollutants and reduce odors created from smoke, cooking, and pets.
  2. True HEPA filter – GermGuardian AP5800W makes use of a True HEPA Filter to capture 99.97% of microscopic allergens, dust and mold spores down to 0.3 microns in size.

The GermGuardian AP5800W makes use of a much bigger air filter than any of its brothers at the same price point, like the GermGuardian AC5900WCA or GermGuardian CDAP5500BCA. The result, it is ready to deal with any type of allergens.

In the same test with the top dogs like the Honeywell HPA200, Levoit Core 400S or TCL Breeva A5, the GermGuardian AP5800W is slightly behind at 99.9% of capturing any particles down to 0.3 microns, in 200 square feet for 1 hour. However, we consider this result is very good, and the GermGuardian AP5800W is still recommended to get if you need the best air cleaning system.

germguardian ap5800w review

As I said earlier, the GermGuardian AP5800W will use a brand new air filter, the FLT5800 filter P. This air filter costs around $79, which is the most expensive air filter for a GermGuardian around $200. It is still recommended to change after 6 to 8 months.

Related post: Best air purifiers for allergies.

GermGuardian AP5800W Room Coverage

The GermGuardian AP5800W, like its brothers, complies with the certification of AHAM, which grants the device one more point in our performance ranking. The air purifier is suggested for a room of 300 square feet, and it does its job wonderfully.

The ACH of GermGuardian AP5800W is 4X. Any air purifiers being certified by the AHAM can clean 4 times per hour in its room coverage.

The CADR of GermGuardian AP5800W is 199 Dust/ 192 Smoke/ 221 pollen (cfm).

Related post: Best large room air purifiers.

GermGuardian AP5800W Sound

Guardian Technologies seems to trim down the noise level of its current air purifier models, as I experienced in the previous GermGuardian AC4700. The GermGuardian AP5800W is even better at around 27 decibels (dB) on lowest fan speed, and you won’t notice the noise when it’s running at its Sleep Mode.

On highest noise level, the GermGuardian AP5800W marks 52 decibels. It is very common in the world of air purifiers, so you can count the GermGuardian AP5800W among other “ultra-quiet” air purifiers.

Related post: Best air purifiers for baby.

GermGuardian AP5800W Power Consumption

To be one of the best air purifiers, one device must strictly pass our Breathe Quality test after a long time use. Also, one of the most asked questions in Breathe Quality is: “Do air purifiers use a lot of energy?”. We can all agree that power consumption is one important criteria to review if this air purifier is worth your money or not.

GermGuardian AP5800W is obviously certified as an Energy Star air purifier, and this could be the most power efficient GermGuardian air purifier to date. At 29 watts, the air purifier has a Smoke-Free Clean Air Delivery Rate per Watt of 6.6 point, which is better than, well, nearly any top dogs you can mention at this price point.

So to say, if you’re using the GermGuardian AP5800W 8 hours per day, you only need to pay $10 annually.

Related post: Best air purifiers for pets.

GermGuardian AP5800W Additional Features

When you’re talking about a Guardian Technologies air purifier, you often think of a classic air purifier without any additional features. With the GermGuardian AP5800W and its bigger brother – the GermGuardian AC9600W, you need to rethink again. The GermGuardian AP5800W not only delivers the most basic features, it has both dust and gas sensors for its Smart Sensor.

So to say, the GermGuardian AP5800W can display the air rating, and it will react accordingly to the change of air quality. It is the Auto Mode, which automatically adjusts the fan speed to match the environment’s need.

Well, you ask Guardian Technologies for just basic features? You will get in the GermGuardian AP5800W, like Sleep Mode, Timer and Child Lock features.

Finally, we still have a LED indicator for filter replacement, so you don’t to remember the date after all.

Related posts:

1, Best air purifiers for smoke.

2, Best air purifiers for dust.

3, Best air purifiers for mold.

GermGuardian AP5800W Customer Service

There is not much to say about the brilliant support from Guardian Technologies’s customer service. The American brand is providing a very active support for anyone. The company also puts the Instruction Manuals online to help you solve the common questions by yourself. But if you can’t find a solution, just contact the customer service via phone at 866-603-5900 or via email at Just like any other brands, the office will be opening from Monday to Friday.

Guardian Technologies has occasional Free Shipping policy, as well as a great discount on all products (most popular 10% to 20%). Whenever you find the air purifiers not as great as you previously thought, you can return them within 30 days of your original receipt of the order. And don’t worry about the warranty policy of Guardian Technologies, as it warrants its products to be free of defects in materials or workmanship. You can register for a warranty in up to 5 years.

For the GermGuardian AP5800W, you will have a 3-year warranty.

Top GermGuardian AP5800W deals right now

GermGuardian AP5800W 19-inch Hi-Performance air purifier tower console with True HEPA filter and Air Quality Sensor.

Perhaps the best GermGuardian air purifier at the moment, with S ranking in performance.

Our verdict

While this may feel like a smaller GermGuardian AC9600, it improves on the formula for Guardian Technologies budget air purifiers in a few important ways. It also improves on the design, and the its energy efficiency is truly the best in the price point. So, we recommend the GermGuardian AP5800W for all it’s worth.

GermGuardian AP5800W Air Purifier: Trusted Review in 2023
GermGuardian AP5800W Air Purifier: Trusted Review & Specs

GermGuardian AP5800W Reviews and Specs (Air Purifier Trusted Reviews in 2023). ✓ Cleaning Power: HEPA ✓ Smart Sensor ✓ Value: 4.1/5 ✓Certified Review.

Product Brand: Guardian Technologies

Product Currency: USD

Product Price: 249

Product In-Stock: InStock

Editor's Rating:
  • Performance
  • Features
  • Annual Cost
  • Design
  • Price


Perhaps the best Guardian Technologies’ offering so far.