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
MOOKA Air Purifier, Air Cleaner with 3-in-1 True HEPA Filter for Home and Office, Odor Allergies Eliminator for Smoke, Dust, Pets, 3 Stage Filtration, Night Light, 3-Year Warranty
638 Reviews
MOOKA Air Purifier, Air Cleaner with 3-in-1 True HEPA Filter for Home and Office, Odor Allergies Eliminator for Smoke, Dust, Pets, 3 Stage Filtration, Night Light, 3-Year Warranty
  • AIR PURIFIER WITH TRUE HEPA: Filters 99.97% of dust, pollen, smoke, odors, mold spores, and pet...
  • ENVIRONMENTALLY FRIENDLY AIR CLEANER: 3 Stage Filtration system with Pre-filter, TRUE HEPA Filter,...
- $0.52Bestseller No. 2
GermGuardian AC4100 3-in-1 Desktop Air Purifier, HEPA Filter, UVC Sanitizer, Home Air Cleaner Traps Allergens for Smoke, Odors, Mold, Dust, Germs, Smokers, Pet Dander, Germ Guardian Room Air Purifier
1662 Reviews
GermGuardian AC4100 3-in-1 Desktop Air Purifier, HEPA Filter, UVC Sanitizer, Home Air Cleaner Traps Allergens for Smoke, Odors, Mold, Dust, Germs, Smokers, Pet Dander, Germ Guardian Room Air Purifier
  • TRAPS ALLERGENS: HEPA Filter captures 9997% of dust and allergens as small as 3 microns such as...
  • REDUCES ODORS: Charcoal filter reduces common odors from pets, smoking and cooking
- $3.00Bestseller No. 3
QUEENTY Desktop Air Cleaner with True HEPA Filter - Portable Air Purifier Odor Allergies Eliminator for Smoke, Dust, Mold, Home, Office and Pets (White)
144 Reviews
QUEENTY Desktop Air Cleaner with True HEPA Filter - Portable Air Purifier Odor Allergies Eliminator for Smoke, Dust, Mold, Home, Office and Pets (White)
  • 【Air Purifier with True HEPA Filter】3 stage filtration system, pre-filter, true HEPA filter &...
  • 【Desktop Air Cleaner Purify the Skin】The oscillating air outfit delivers consistent and enough...
- $7.00Bestseller No. 4
LEVOIT Air Purifier with True HEPA Filter, Home Air Cleaner for Allergies,Pet Dander, Smoke, Dust in Room, Removes Odors from Pets Smokers, Quiet Operation, Night Light, 2-Year Warranty, LV-H132
3392 Reviews
LEVOIT Air Purifier with True HEPA Filter, Home Air Cleaner for Allergies,Pet Dander, Smoke, Dust in Room, Removes Odors from Pets Smokers, Quiet Operation, Night Light, 2-Year Warranty, LV-H132
  • Designed in California. 100% ozone free, does not use UV or ions which produce trace amounts of...
  • 3 Stage Filtration System: Pre-filter, TRUE HEPA Filter filters particles as small as 0. 3 microns...
Bestseller No. 5
hOmeLabs 3-in-1 Compact Ionic HEPA Air Purifier - Quietly Ionizes and Purifies Air to Reduce Odor and Allergies from Mold, Smoke, Dust, Pollen and Pet Dander, White
773 Reviews
hOmeLabs 3-in-1 Compact Ionic HEPA Air Purifier - Quietly Ionizes and Purifies Air to Reduce Odor and Allergies from Mold, Smoke, Dust, Pollen and Pet Dander, White
  • HEALTHIER HEPA AIR PURIFIER - Our hOmeLabs personal air purifier removes 99% of indoor pollutants...
  • 4-STAGE PURIFYING TECHNOLOGY - Perfect for those with allergies or stuffy nose, and frequent...

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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