5 Best Portable Air Purifier Consumer Reports 2019 – Top Rated

Take a deep breath—if you can. Many of the things we do to keep energy costs down, such as fixing drafty doors and leaky windows, can also seal in pesky pollutants and irritants. Many people who buy air purifiers do so in hopes of easing asthma or allergies. But despite product claims, there’s little definitive medical evidence that air purifiers help to relieve respiratory symptoms.

Improving indoor air quality starts with minimizing pollutant sources such as cigarette smoke, dust, and pet dander. We test how well a room air purifier removes dust and smoke from an enclosed space, how it performs at high and low speeds, and how quiet it is. The very best portable models we tested were effective at cleaning the air of dust, smoke, and pollen at their highest and lowest speeds. The worst models weren’t terribly effective at any speed.

Top 5 Portable Air Purifier

Bestseller No. 1
LEVOIT Air Purifier with H13 True HEPA Air Purifiers Filter for Home Allergies and Pets, Smokers, Smoke, Dust, Mold, and Pollen, Air Cleaner for Bedroom, Large Room with Optional Night Light, LV-H132
10,164 Reviews
LEVOIT Air Purifier with H13 True HEPA Air Purifiers Filter for Home Allergies and Pets, Smokers, Smoke, Dust, Mold, and Pollen, Air Cleaner for Bedroom, Large Room with Optional Night Light, LV-H132
  • Designed in California. The UVC Light and Anion that other Brands adopt to purify air could produce...
  • Advanced 3-Stage Filtration System: The Pre-Filter, True HEPA Filter, and High-Efficiency Activated...
Bestseller No. 2
Mini Portable Air Purifier Wearable Air Purifier Necklace USB Air Cleaner Personal Negative Ion Generator Personal Air Freshener for Adult,Kids(Black)
  • Principle of Work: Negative ions will adsorb suspended particles in the air (such as PM2.5,...
  • Applicable area:The Air Purifier can purify an area up to 35 cu ft. Scientifically proven to away...
$6.00Bestseller No. 3
THE THREE MUSKETEERS III M Mini Portable Air Purifier for Home Bedroom Office Desktop Pet Room Air Cleaner for Car with Filters Energy Conservation and Silence
292 Reviews
THE THREE MUSKETEERS III M Mini Portable Air Purifier for Home Bedroom Office Desktop Pet Room Air Cleaner for Car with Filters Energy Conservation and Silence
  • PORTABLE AND COMPACT: Size: 9*9*17CM, Weight: 270 grams. It can cover an area of about 6 square...
  • HEPA AIR PURIFIER: This air purifier removes 99% of indoor pollutants as small as 0.3 microns and...
Bestseller No. 4
LEVOIT Air Purifier for Home Allergies Pets Hair Smokers in Bedroom, H13 True HEPA Air Purifiers Filter, 24db Quiet Air Cleaner, Remove 99.97% Smoke Dust Mold Pollen for Large Room, Core 300, White
1,671 Reviews
LEVOIT Air Purifier for Home Allergies Pets Hair Smokers in Bedroom, H13 True HEPA Air Purifiers Filter, 24db Quiet Air Cleaner, Remove 99.97% Smoke Dust Mold Pollen for Large Room, Core 300, White
  • Genuine Replacement Filters: Search for core300-rf or core 300 replacement filter for Replacement...
  • Higher Purify Performance: Use the Core 300 to fill your environment with crisp, clean air. Its...
$60.00Bestseller No. 5
Germ Guardian True HEPA Filter Air Purifier for Home, Office, Bedrooms, Filters Allergies, Pollen, Smoke, Dust, Pet Dander, UV-C Sanitizer Eliminates Germs, Mold, Odors, Quiet 22 inch 3-in-1 AC4825
14,355 Reviews
Germ Guardian True HEPA Filter Air Purifier for Home, Office, Bedrooms, Filters Allergies, Pollen, Smoke, Dust, Pet Dander, UV-C Sanitizer Eliminates Germs, Mold, Odors, Quiet 22 inch 3-in-1 AC4825
  • 3 in 1 air purifier for home true hepa air filter reduces up to 99.97% of harmful germs, dust,...
  • Kills germs uv c light helps kill airborne viruses such as influenza, staph, rhinovirus, and works...

Breathe Easier

Before you resort to buying an air purifier, try some simple steps to reduce indoor air irritants, including:

  • Vacuum often and thoroughly using a vacuum with high-efficiency particulate air (HEPA) filtration.
  • Ban smoking indoors.
  • Maintain your heating and cooling equipment, and change air filters regularly.
  • Minimize the use of candles and wood fires.
  • Use exhaust fans in the kitchen, bath, and laundry areas.
  • Don’t store chemicals, solvents, glues, or pesticides near your living quarters.

The Pros and Cons

Pros: They’re portable—most room air purifiers weigh from 10 to 20 pounds, have a handle, and stand on the floor or on a table. Heavier models might have wheels. Many have a HEPA filter, which can capture ultra-fine particles. Keep in mind that most of these filters need to be replaced annually, an expense that might approach the cost of the air cleaner, but a few models are now available with cleanable HEPA filters.

Cons: Portable models that use either electrostatic precipitator or ionizer technology could produce some ozone, a lung irritant. Electrostatic precipitator and ionizer air purifiers should not be confused with dedicated ozone generators, which produce large amounts of ozone by design. Ozone generators should be used only by professionals to reduce odors, germs, and mold. Ozone is a serious health concern, prompting the state of California to ban the sale of ozone generators (and other air purifiers that emit more than 50 parts per billion of ozone) from the general market.

Things to Consider

Operating Costs
Many portable models have annual operating costs of $150 to $200 for filter replacement and electricity (with the majority of that cost being for filters). Filter prices can generally range from around $10 to about $100 (though some are priced well into the hundreds). Some units use a pre-filter to capture large airborne particles before they reach the HEPA filter, possibly extending its life.

Depending on usage, you typically need to replace the carbon filters every three months and the main filter yearly. To cut costs, look for room models that are Energy Star certified, meaning they are relatively energy-efficient compared with standard models. Some models have washable filters that can be reused.

Keep It Clean
Any air purifier won’t work well if the filter is clogged and dusty, and if the filter is full, it may stop working entirely.

Quietness Counts
Noise level is important, especially if you run an air purifier in a room where you sleep or work. For the sake of efficiency (and quietness), we recommend picking a larger unit and running it on a lower speed, rather than cranking up a small one. Having a larger unit can also accommodate those times when you need to clean a room quickly, such as when cooking odors escape the kitchen exhaust hood.

Room Air Purifier Features

Fan: Most room air cleaners use a fan to suck in air for filtration. Those without a fan (the air circulates naturally throughout your home) run more quietly, but those we tested without fans worked poorly.

Servicing indicator: A clogged air cleaner works inefficiently. This feature lets you know when the unit needs to be cleaned or the filter replaced.

Programmable timer: These controls allow you to set the purifier to run a few hours before you’ll be using a room, or to turn it off automatically.

Carrying handle: This makes it easy to move the unit from room to room.

A number of speeds: The unit adjusts to your air-cleaning needs—lower when you are sleeping or working and need quiet, higher when it’s prime pollen time.

Ionizer: If a unit has an ionizer (which attracts particles via an effect like static electricity), it’s important that it not produce ozone. It may say on the box or in an operation manual whether it produces ozone; you can also check our ratings. Ozone is a lung irritant.

Remote control: This lets you easily adjust settings from across the room.

Dirt sensor: In some room models, the unit automatically adjusts the fan speed to the level of dirt or dust in the air.

Washable prefilter: A washable—and reusable—pre-filter collects large particles; it can help cut overall costs. However, many of our higher-rated models did not have this option.

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