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PureZone 3-in-1

PureZone 3-in-1 True HEPA Air Purifier Review

The PureZone air purifier combines the power of a HEPA filter with that of an activated carbon filter to remove allergens and pollutants as well as common household odors.

This makes it one of the best air purifiers for cigarette smoke. It not only filters out the harmful smoke particles, but also eliminates the tobacco smell.

It also does a great job removing other allergens like pet dander, mold spores, pollen, and dust.

An integrated UV-C sanitizer targets airborne bacteria and viruses.

Read on for our full review.


  • Affordable.
  • UV-C light filter adds an extra layer of protection.
  • Highly effective 3-in-1 filtration.
  • Includes a timer.
  • Includes a filter replacement reminder.
  • Very quiet (except when on the highest fan speed setting).
  • Sleep mode turns off lights and reduces fan noise.


  • Only ideal for small rooms of up to 200 square feet.
  • Noisy when set on the highest fan speed.
  • No auto mode nor an air quality indicator.

Best Features

PureZone 3-in-1 air purifier

1. 3-in-1 Filtration

The PureZone uses three filters to clean up your indoor air.

Pre-filter: It captures large allergens like dust and pet hair. This not only makes your air cleaner but also prevents the HEPA and carbon filter from clogging up too quickly with large particles. This filter doesn’t need to be replaced; you just wash it every few weeks.

HEPA filter: Captures tiny allergens and pollutants as small as 0.3 microns. These include fine dust, pollen, mold, and smoke.

Activated carbon filter: Eliminates unpleasant odors and absorbs harmful gasses such as formaldehyde and benzene.

2. UV-C Light Sanitizer 

PureZone True HEPA Purifier

In addition to the three filters, the PureZone air purifier has a built-in UV-C light sanitizer.

The sanitizer produces short-length ultraviolet radiation that kills airborne microbes like bacteria and viruses.

UV-C light is used widely for disinfection. It’s completely safe and does not produce ozone like the ionizers in most air purifiers.

3. Three Fan Speeds

Unfortunately, the PureZone lacks a convenient auto mode feature. That’s because it doesn’t have an air quality sensor to tell it how clean or dirty the air is.

These omissions are understandable considering the price.

But at least you can change the fan speed depending on how dirty you feel the air is. For instance, if someone starts smoking or the pet litter stinks up the room, turn up the fan speed to the third level.

It will be a bit noisy, but it will clear the air in no time.

Most of the time, you’ll find the quieter second level to be adequate. At night, turn the fan speed down to the lowest level to make it even quieter.

4. Sleep Mode and Timer 

If you don’t want the bother of turning the fan speed down every time you go to bed, you can activate sleep mode.

It will automatically reduce fan speed and kill all indicator lights to help you sleep better.

You can also set a timer, and the air purifier will automatically switch off after 2, 4 or 8 hours.


PureZone 3-in-1

The PureZone is meant for small and medium-size rooms of not more than 200 square feet.

The airflow is not strong enough for large bedrooms and open concept living areas. But it’s perfect for small bedrooms, your home office or the baby nursery.

One minor issue several customers complained about is that the fan is a bit noisy at the highest setting. This is common with almost all air purifiers.

It’s a (small) sacrifice in exchange for faster air purification.

But it’s not too loud that you cannot watch TV or converse with someone. It probably won’t even wake the baby.

It’s more of a background hum that you’ll stop noticing after a few days. And in any case, you’ll mostly be using the quiet second fan speed setting.


Dimensions: 10.8” L x 6.9” W x 12.1” H

Weight: 6 lbs

Coverage: 200 square feet

Number of filters: 3 plus a UV-C light sanitizer

Ionizer: no

Filter change reminder: yes

Auto mode: no

Fan speeds: 3

Air quality indicator: no

Warranty: 5 years (one of the longest in the industry)


PureZone true HEPA

If you suffer from allergies or sensitivities, live in a place with lots of dust or wildfires or want to get rid of the tobacco smoke wafting in from the neighbor’s, the PureZone air purifier is a great choice.

It’s a nifty little unit that cleans up a small to medium sized room in no time. The bonus UV-C light sanitizer provides extra protection against harmful microscopic bugs in the air.

If you are looking for a budget air purifier for your bedroom, home office or any other room, we, in our  PureZone 3-in-1 True HEPA Air Purifier Review highly recommend this one.

About the Author Tom Hanson

I’ve worked as an HVAC tech in Phoenix, AZ for the past 10 years. I created to help home owners select the right portable air conditioner, cooler or air purifier for their needs & budget in just a few minutes.

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