Airthereal ADH50B Air Purifier: Trusted Review & Specs

The Airthereal ADH50B is easily appeal to those looking for a budget air purifier, but just want a lot of protection in it. As one member of the 7-in-1 army of Airthereal, through this Airthereal ADH50B Review, we will see if this air purifier is truly the bang for the bucks.

Airthereal ADH50B ranks B in our air purifier ranking list. We give the biggest and most thorough database of air purifier reviews in the world.

Updated: New air purifiers are coming, as Airthereal has revealed their latest Airthereal APH230C and Airthereal AGH550.

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.


airthereal adh50b review

  • Lots of filtration in budget device
  • Has True HEPA filter
  • Lightweight
  • Very quiet

  • Lacks a lot of features

Wanna some serious deal for low-range budget? Then you can’t miss Airthereal – a company that has been established only in 2017, but has been the Amazon’s Choice for small air purifiers for many reasons. Today, we will take a look at the smallest unit of Airthereal family, thanks to our Airthereal ADH50B Review.

Airthereal ADH50B Price

Despite being young and probably wild to someone’s eyes, Airthereal has been powering ahead with yet another budget air purifier, the third that I have reviewed in the course of a year.

And the Airthereal ADH50B is also their latest portable air purifier at the moment, designed to work as a cheaper and (a lot) lighter replacement for the previous Airthereal ADH80. Both units are called as “Day Dawning” in the Airthereal collection. If you want a “Pure Morning” air purifier for nearly similar price, you should look for the Airthereal APH230C.

After the successful release of Airthereal APH260 in air purifier community in 2017, we considered Airthereal as a force to be reckoned with. Airthereal ADH50B continues their dream, a premium air purifier with 7-stage air filtration, in a budget range of only $49. Note that, while the price is official in Airthereal website, you can get a much better deal if you follow our link below.

I’m pretty sure that this Airthereal ADH50B will be the strongest competitor to the Levoit LV-H126 and Hamilton Beach 04384, which has been the most picked air purifier in this price range for a long time.

Top Airthereal ADH50B deals right now

Airthereal air purifier for home, bedroom, and office, Day Dawning ADH50B.

Comes with Airthereal 7-stage air filtration. Very silent operation, has ECL and CARB certified.

Related post: Best air purifiers 2024.

Airthereal ADH50B Design and Size

With the Airthereal ADH50B, Airthereal moves away from the common design concept of the previous Airthereal ADH80. As expected, the cylindrical shape is removed, and this company brings to us a rectangular prism one.

At 10.2 inches in height and 6.3 inches in width, the Airthereal ADH50B doesn’t look smaller too much than its brother. However, this is the lightest air purifier of the whole family, with only 2.5 lbs. Truly a perfect portable air purifier to move around your home.

There is a big hole under the air purifier, to let you change the filter easily. The Airthereal ADH50B comes with two different color tones: black and gray, separated by a big bezel.

It still runs the bottom-to-top air flow system concept like other portable air purifiers, but with an innovative 360° air intake from the gray part. Airthereal ADH50B will use perforated holes for both air inlet and outlet.

Right on top, you will find the control panel of this air purifier. It is really simple, mostly for ease-to-use.

airthereal adh50b review


Related post: Best air purifiers for bedroom.

Airthereal ADH50B Filters

To decide the performance of one air purifier, normally we will check the quantity and quality of the air filters inside, as well as the air filter types. For the entry-level Airthereal ADH50B, you still enjoy the 7-in-1 air filtration system.

  1. Pre-filter – A preliminary filter covers the True HEPA filter, to prolong the life time of the core filter, by trapping the large objects of pollutants like fur, hair and large dust.
  2. True HEPA filter – With the True HEPA filter, this air purifier can capture 99.97% of as small as 0.3 microns allergens, virus particles, pollen, mold and fungi particles.
  3. Activated Carbon filter – The real power of Airthereal air purifiers is inside the carbon filter, as a combination of Nano mineral, Cold catalyst, Photo catalyst and Molecular Sieve carbon. It will adsorb the odors, chemicals and smoke from the indoor air.

Actually, the Airthereal ADH50B is just only the 6-in-1 air purifier, not like the old flagship Airthereal APH260 with real 7-stage air cleaning system. However, it still uses the great all-in-one air filter from the Airthereal ADH80, to deliver high efficiency of trapping particles, even to 0.1 microns.

Let’s give this air purifier a simple test, in a room of only 100 square feet. I made the Airthereal ADH50B to work against the more expensive devices like Levoit Vista 200 or GermGuardian AC4825, to help you compare all the products. As you can see, the most affordable Airthereal ADH50B can trap only 99.3% any particles down to 0.3 microns in 1 hour. Others ranged from 99.5% to 99.9%.

airthereal adh50b review

For a portable air purifier using 360° cylindrical air filter like Airthereal ADH50B, you should change the filter every 6-8 months. The replacement filter set of Day Dawning ADH50B is the cheapest in Airthereal family, and you only need $15 for each set.

Related post: Best air purifiers for allergies.

Airthereal ADH50B Room Coverage

As a portable air purifier for bedroom, the Airthereal ADH50B doesn’t need to cover a lot of spaces. It is only suggested to use in room of 110 square feet.

The ACH of Airthereal ADH50B is 2X. It will exchange the air in your room every 30 minutes.

The CADR of Airthereal ADH50B is 30 cfm in general.

Related post: Best large room air purifiers.

Airthereal ADH50B Sound

With low fan power and portable design, the Airthereal ADH50B is meant for bedrooms, where anyone require to be as quiet as possible. The Airthereal ADH50B has a nature to keep a silent operation, so you can enjoy your sleep much better.

airthereal adh50b review


The lowest noise level that I’ve measured from this Airthereal ADH50B is only 22 decibels (db). It is just like the sound of the rustling leaves, and you won’t hear anything from its lowest speed for sure. Even on highest speed, the noise level is only 40 decibels, which is exactly the noise level on library.

So far, this is one of the most silent air purifier I’ve tested in Breathe Quality.

Related post: Best air purifiers for baby.

Airthereal ADH50B Power Consumption

One of our most FAQs is “Do air purifiers use a lot of energy?” In fact, air purifier must be used for a long time to be efficient. And power consumption is one important criteria to review if this air purifier is good or not.

Airthereal ADH50B has a power consumption of only 3.5 watts to operate. Yes, this could be another best energy-saving air purifier I’ve used up until now.

If you run the Airthereal ADH50B for 8 hours per day, it would cost you only $1.25 each year.

Related post: Best air purifiers for pets.

Airthereal ADH50B Additional Features

As the entry-level air purifier of Airthereal, the Airthereal ADH50B only has a basic Sleep Mode, to switch the fan power to the lowest setting. In addition, it will have a LED indicator for filter replacement, so you don’t need to remember the date manually.

If you like the Smart Sensor function, which is mainly available on high-end products, you should choose the Airthereal ADH80 instead. It is difficult to buy one air purifier for under $50 to have such setting.

Related posts:

1, Best air purifiers for smoke.

2, Best air purifiers for dust.

3, Best air purifiers for mold.

Airthereal ADH50B Customer Service

Despite of being established only in 2017, the Airthereal has proved to be a big air purifier brand of the North America market. They provide you with loyalty programs, discounted promotions and campaigns over the year, so you will satisfy with their products.

For the customer service, the Airthereal provides excellent support online. You can either call them for a toll-free service, email them at or live chat with them. If you have any immediate questions, you can reach their FAQs page to search for an answer.

Airthereal also guarantees for your satisfaction, so they give you a full refund within 30 days of purchase for any Airthereal product. For shipping, they are generous with the Free Shipping policy for any 3-7 days standard shipping. However, if you need fast shipping, you need to pay for extra charge.

Finally, all Airthereal air purifiers come with 2-year warranty, plus 1 year for online warranty registration. That is great, provided that they just only sell the budget air purifiers.

Top Airthereal ADH50B deals right now

Airthereal air purifier for home, bedroom, and office, Day Dawning ADH50B.

Comes with Airthereal 7-stage air filtration. Very silent operation, has ECL and CARB certified.

Our verdict

For now, I highly recommend to buy the Airthereal ADH50B for anyone with budget of only $50. The air filter is high-quality and the efficiency of trapping pollutants is great for the price.

Airthereal ADH50B Air Purifier: Trusted Review in 2024
Airthereal ADH50B Air Purifier: Trusted Review & Specs

Airthereal ADH50B Reviews and Specs (Air Purifier Trusted Reviews in 2024). ✓ Cleaning Power: True HEPA filter ✓ 2.5 lbs ✓ Value: 3.7/5 ✓Certified Review

Product Brand: Airthereal

Product Currency: USD

Product Price: 49

Product In-Stock:

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


Great portable air purifier from Airthereal, lacking of basic features.