Dreo True HEPA Air Purifier Review: Compact Personal Air Purifier

Dreo is a house equipment emblem, specialising in air care merchandise, akin to warmers, lovers, compact air conditioners and extra. We’re reviewing its True HEPA air air purifier.

Design and look

Most air purifiers have a tendency to be chunky, featureless, white packing containers. Dreo has designed one thing very other: a neat, black cylinder.

It’s a compact equipment (25x25x38.6cm/ 9.84×9.84×15.2in). If you’re seeking to believe it, it’s about the similar dimension as 3 birthday desserts stacked on best of each other. Admittedly, that might be numerous cake but it surely’s a petite quantity of air air purifier.

It’s additionally very mild (7.27lbs/ 3.3kg), so you’ll transfer it simply from room to room, as required.

The air inlets quilt all of the decrease part of the applying, for 360° air purification. The air outlet is on best of the air purifier and when you’ve got it on turbo, there’s an impressive, fan-like blast popping out.

On each side of the opening is the keep an eye on panel, which has 8 buttons and matched indicator lighting.

Dreo control panel

Via the keep an eye on panel, you’ll transfer the applying off and on; set a timer to modify it off after two, 4 or 8 hours; make a selection certainly one of 3 handbook energy settings, or then again press the car mode button, which is able to regulate the facility robotically in response to the air high quality degree.

There’s additionally a turbo button to immediately get most energy, and a snooze mode button for the quietest surroundings.

In phrases of upkeep settings, there’s a kid lock and a clear out reset indicator mild, which is able to assist you to know when the air clear out wishes converting. Dreo does not supply an estimate of ways lengthy a clear out will closing however alternative filters are dear: $29.99 each and every from Dreo.  

You cannot wash the clear out via hand as its activated charcoal layer must be changed ceaselessly to be efficient.         

What can the True HEPA air air purifier take on?

It has an H13 True HEPA Filter, which is able to lure 99.97% of debris right down to 0.3 microns, an ultra-fine nylon pre-filter to seize greater debris, and an activated carbon layer which is able to do away with unhealthy smells, smoke and destructive gases like VOCs (risky natural compounds).

What this implies in follow is that the Dreo True Hepa Air Purifier is a great all-rounder that can do away with the 2 key classes of pollution to your air. The first is particulate topic or particle air pollution, which is the entire bits of mud, filth and soot that can come from within reach roads or any open fires you might have.

VOCs are the second one class. These are gases, incessantly unhealthy ones akin to formaldehyde, that are emitted via cleansing merchandise, solvents, non-public care merchandise, paint and aerosols.

Both particulate topic and VOCs may also be destructive in your well being.

While we will be able to’t test how efficient it’s, in lab-style prerequisites. But what we will be able to say is that on paper, it has the entirety you want to scrub your air. It will have to additionally assist with allergens akin to puppy dander and pollen.


The Dreo Air Purifier is straightforward to arrange. All you want to do is flip the air purifier over and twist open the lid to the clear out chamber. Then take away the plastic wrapping from the clear out, put it again in position, flip it over and turn the applying on.

Dreo air filter

You’ll wish to ensure that there’s enough room throughout it for the air purifier to drag in air, so don’t position it subsequent to a wall. It wishes a clearance house of a minimum of 38cm/ 15 inches round it.

Once it’s on, you’ll see an air high quality indicator mild. Initially, it cycles thru 5 colors earlier than settling at the suitable one: blue (for very good air high quality), inexperienced (just right), orange (reasonable) and purple (deficient).

Air quality indicator light

Dreo’s Air Purifier has a blank air supply charge (CADR) of 176 cubic ft in keeping with minute or 300 cubic metres in keeping with hour, and an efficient vary of 273 sqft or 25.4m2. This method it’s efficient in smaller rooms, akin to a bed room or smaller dwelling house.

There’s no level hanging it within the nook of an enormous administrative center house and hoping that it’ll blank the air. It gained’t be ready to take action successfully.

Dreo claims that it could actually blank the air of a 300 sqft lounge in 13.2 mins, which we’re relatively sceptical about. It would want a large quantity of airflow to try this, and equivalent get admission to to the entire air within the room. Instead, it’s most probably simply cleansing the world closest to the applying.

Still, this might paintings to your favour in case you’re after an air air purifier to face via your mattress at evening or close to your table right through the day to assist with allergic reactions or hayfever. In different phrases, we expect it could paintings best possible as a private air air purifier.

It’s additionally very quiet in use, with an working quantity of 20-54 dB. On its lowest surroundings, that’s very quiet certainly. You can have it beside your mattress and it could be not going to disturb you.

The best possible surroundings, on the other hand, can be too distracting for me to make use of whilst I used to be looking at TV, for instance. Having stated that, I put it on max to check it after which utterly tuned it out whilst penning this evaluate.

Price and availability

The Dreo True HEPA air air purifier is that can be purchased in the United States. You cannot lately purchase it in the United Kingdom, even though it can be shipped to you. It does now not desire a transformer – a easy US to UK adapter will help you use it. 

It has an RRP of $149.99, which may be very cheap for an air air purifier. The best possible value we will be able to to find for it on the time of writing is on Amazon, the place it is currently available for $125.99. Bear in thoughts that clear out replacements will upload in your working prices.


Although it is robust for its dimension, it is a compact air air purifier. You’ll get the most productive use from it in a smaller room or as a private air air purifier, to stay you comfy whilst you paintings or sleep. It may be to hand to beef up the air high quality if you are portray or adorning.


Dreo True HEPA Air Purifier: Specs

  • Rated energy 36W
  • Input: 120V
  • Effective vary: 325.4m2/ 273FT2
  • CADR: 176CFM, 300CMH
  • Operating quantity: 20-54dB
  • Dimensions: 25x25x38.6cm/ 9.84×9.84×15.2in
  • Weight: 3.3kg/ 7.3lbs

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