Airdoctor UltraHEPA Air Purifier: Trusted Review & Specs

Overall the Airdoctor 4-in-1 UltraHEPA is a great air purifier, but the “100x more efficient than ordinary HEPA air purifiers” marketing fails to impress. Maybe it does everything it needs to stay at the price, but this Airdoctor air purifier still struggles to rise above the competition. Welcome to our in-depth Airdoctor UltraHEPA Air Purifier Review.

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

  • We do give honest reviews (both pros and cons) so anyone will guarantee to have the wisest choices.
  • We do not (and never) exaggerate one product just to let you click the links and buy that product blindly.


airdoctor ultrahepa air purifier review

  • High-quality air filtration system
  • Strong fan power
  • Well-built air purifier
  • Energy Star rating

  • A bit expensive
  • Quite noisy on highest speed
  • Foul marketing

Airdoctor is just a new air purifier brand, but like Aeris, they want to mark their footprints in the mid-range to high-range segment. Founded in 2018, up until now the company has only one product: the Doctor’s air purifier – Airdoctor UltraHEPA. Okay, I guess you really want to read our Airdoctor Air Purifier Review, to see if the statement “100x more effective than ordinary air purifiers” is a bluff or not.

Airdoctor UltraHEPA Air Purifier Price

Certainly, the Airdoctor UltraHEPA has one of the best HEPA filters around, but in short, the statement “100x more effective than ordinary air purifiers” isn’t completely correct. The Airdoctor UltraHEPA is still a good air purifier at a “reduced” premium price, but it’s not quite a match for top-end rivals.

This chunky number is not our pick of the year’s ultra-high price air purifiers, but the Airdoctor UltraHEPA is still good if you can catch a lovely deal, for example from Breathe Quality. The official price tag of this Airdoctor UltraHEPA can be as high as $629 (on Airdoctor website), but if you follow us closely, you can get the air purifier as low as only $495.

Yes, this air purifier is reaching the high-range segment, where it faces the Rabbit Air MinusA2, Blueair Classic 480i and AIRMEGA 400 as the opponents. Rigorous tests show that all these air purifiers share a similar performance, however the Airdoctor lacks the premium Wi-Fi Capability feature. Also, the Alen BreatheSmart Classic is more expensive, but it’s covered with a Lifetime Warranty, something you can’t have for this Airdoctor.

I must remind you of some special air purifiers at this price point, like the Molekule Air, Dyson Pure Hot+Cool or Dyson Pure Cool Link. They may have insufficient air purifying performance, but other additional features are shining. Read these reviews carefully before you make decision.

Also, don’t take the comparison of Airdoctor with Austin Air HealthMate Plus and IQAir HealthPro Plus seriously. These beasts are made out of metal housing, which is more premium than the Airdoctor, and their HEPA filters are thick and broad for a life time of at least 2 to 4 years. Well, that’s a lot different.

Top Airdoctor UltraHEPA Air Purifier deals right now

Airdoctor 4-in-1 Air Purifier UltraHEPA. Quiet. Captures particles 100x smaller than ordinary HEPA.

Removes 99.95% of tiny particles, WhisperJet fan for quiet operation.

Related post: Best air purifier 2021.

Airdoctor UltraHEPA Air Purifier Design and Size

The Airdoctor is stubby and it’s hard to love its design, especially when the Airdoctor doesn’t feel either premium or practical. Somehow Airdoctor has ignored several recent design trends, and we end up with something quite different to the rest.

But not in an entirely positive sense.

The air purifier itself is a big console air purifier with 23.5 inches in height and 16 inches in width. For such size, the curves at the bottom only make the air purifier unstable. Although the Airdoctor is quite heavy at 24 lbs, you should make sure to place it out of the reach of your children or pets.

There’s no obvious reason either for the sealed front plate, as it blocks most of the incoming polluted air and reduces the efficiency of this Airdoctor air purifier. Still, this air purifier runs a normal bottom-to-top air flow system concept, but big borders above and around the device make the Airdoctor air purifier look stout.

It has an air sensor from one side, relating to the air quality indicator on front. The control panel can be seen on top, using simple symbols and instructions.

airdoctor ultrahepa air purifier review


However, I admire the internal construction of the Airdoctor UltraHEPA air purifier. It is sealed tight, to ensure no leak polluted air in the air cleaning process. The fan motor is big for high fan power, and its storage is very smart at delivering more air output in silence. Maybe this is the only “premium” thing about the design of this Airdoctor UltraHEPA Air Purifier.

Related post: Best air purifiers for bedroom.

Airdoctor UltraHEPA Air Purifier Filters

Airdoctor UltraHEPA is proud to think that their air purifier is 100x more effective than ordinary air purifiers. Let’s check its performance closely in this simple 4-stage air cleaning system.

  1. Pre-filter – The pre-filter is designed to remove larger contaminates like dust and animal hair. It is washable, and you can reuse the filter under normal use.
  2. Activated Carbon filter – Airdoctor calls this filter a dual-action Carbon and VOC filter, as it can removes toxic ozone, gas, odors and VOCs from your indoor air. It can last for 6 months.
  3. UltraHEPA filter – The True HEPA filter of Airdoctor, which is designed to capture ultra-fine PM 2.5 particles from the air. It is “independently tested” to remove 100% of airborne particles at 0.003 microns in size, 100 times smaller than the HEPA standard.
  4. Ionizer – It can remove the smells and odors, and helps the air fresh. Can be switched on/off.

Well, I clearly don’t know about the “independent test” of Airdoctor, but I just throw it in an ordinary test of Breathe Quality – a room of 300 square feet with full of air pollutants. In 1 hour, it seems the Airdoctor UltraHEPA is really good at trapping air pollutants, but the efficiency of removing 99.95% any particles down to 0.3 microns is far from the original statement of Airdoctor.

Still, such performance is equal to the Sharp FX-J80UW, AIRMEGA 300 and Dyson TP04, and I’m impressed with the result of Airdoctor UltraHEPA air purifier. However, it is still behind the Austin Air Allergy Machine and Medify MA-112 a little bit.

airdoctor ultrahepa air purifier review

The UltraHEPA is designed to last for only 12 months, then you need to change the filter for optimal performance. A set of Airdoctor air filter is sold at $144 on Airdoctor website, but you can get it quickly from our below deal.

Related post: Best air purifiers for allergies.

Airdoctor UltraHEPA Air Purifier Room Coverage

Airdoctor recommends you to run this Airdoctor UltraHEPA Air Purifier in a room of 900 square feet, which is achievable for an air purifier with 3X ACH rating.

The ACH of Airdoctor UltraHEPA is 3X-5X. At appropriate room size, the air purifier can clean your room every 12 minutes.

The CADR of Airdoctor UltraHEPA is 326 cfm in general. This is the common CADR rating among mid-range and high-range air purifiers.

Related post: Best large room air purifiers.

Airdoctor UltraHEPA Air Purifier Sound

Airdoctor calls their silent operation technology WhisperJet, which is 30% quieter than other air purifiers. Well, a regular test shows that the lowest noise level of this air purifier is only 30 decibels (db). It is truly the whisper-quiet operation, but I think other “ordinary” air purifiers can easily be the same.

On highest speed, however, the Airdoctor UltraHEPA isn’t nice with its high fan power. The noise level is recorded at 62 decibels, and I think it is far noisier than many air purifiers, like Rabbit Air MinusA2 or Alen BreatheSmart 75i.

Related post: Best air purifiers for baby.

Airdoctor UltraHEPA Air Purifier Power Consumption

As one of the most criteria when deciding to buy an air purifier, one of our most FAQs is “Do air purifiers use a lot of energy?”. In fact, an air purifier needs to run for a long time (usually more than 8 hours) to be efficient.

Airdoctor told us that their air purifier is certified by Energy Star, but I can’t find this Airdoctor UltraHEPA listed on Energy Star official website. Its rated power is about 84 watts.

So to say, if you run the Airdoctor UltraHEPA for 8 hours per day, you will pay for $30 each year.

Related post: Best air purifiers for pets.

Airdoctor UltraHEPA Air Purifier Additional Features

Airdoctor’s intention in making air purifier with an air sensor is to make them the most compatible device in the high-range competition. However, their air sensor technology isn’t the latest, and only one dust sensor isn’t enough to give accurate report for the Air Quality Monitor.

Still, the Smart Sensor is available, and thanks to the Auto Mode, the Airdoctor UltraHEPA Air Purifier can test the air quality and automatically adjust the fan speed to remove the air contaminants.

airdoctor ultrahepa air purifier review


There is a simple Dimmer setting to help you turn off the LED lights and the display, for example the timer display. Well, the Timer setting can be programmed to turn off the air purifier after a preset amount of time, up to 24 hours.

Finally, we have LED indicators for filter replacement, to remind you when to change the air filters.

Related posts:

1, Best air purifiers for smoke.

2, Best air purifiers for dust.

3, Best air purifiers for mold.

Airdoctor UltraHEPA Air Purifier Customer Service

As a new air purifier brand in the U.S market, Airdoctor delivers a dedicated customer service. You can call them anytime at 800-221-2515, from Monday to Saturday. Also, if they’re out of office, you can leave an email at

All Airdoctor air purifiers must be registered for a product warranty, and Airdoctor only gives a simple 1-year warranty. During this time, they will repair or replace the product for you if it has a defect in materials or workmanship. Of course, a shipping and processing fee will apply for the warranty.

Top Airdoctor UltraHEPA Air Purifier deals right now

Airdoctor 4-in-1 Air Purifier UltraHEPA. Quiet. Captures particles 100x smaller than ordinary HEPA.

Removes 99.95% of tiny particles, WhisperJet fan for quiet operation.

Our verdict

As a new high-range air purifier, the Airdoctor UltraHEPA Air Purifier is perhaps less disruptive than Airdoctor hopes. That doesn’t mean it is not a good air purifier, just that it comes with a lot of foul marketing statements made by the company.

All the bad parts of the Airdoctor UltraHEPA Air Purifier sit on its surface like leaves on a swimming pool. But inside the device, the Airdoctor is capable and smart to deliver good performance. And while the additional features can’t match the best in all conditions, the quality can help us live easier.

  • Cleaning Power
  • Portability
  • Features
  • Power Consumption
  • Price


A decent air purifier with foul marketing.