What to Look for in an Air Purifier for a Large Room

A big, tidy space should have clean air to match.

Living room
Trap allergens and pet hair, even in rooms of up to 700 square feet.Pexels/Vecislavas Popa

Clearing out air pollutants in large rooms is a big job, and you’ll need a purifier that’s built to tackle it, preferably one with multiple speed settings and a combination of filter types. HEPA filters collect the most common indoor contaminants, but look for one that has a “True HEPA” filter, which means it is certified to capture 99.97 percent of particles down to 0.3 microns in size. A big space can benefit from a purifier that comes with an ionizer to assist in taking out pollutants more quickly. It will also help the internal filter last longer. Another useful feature is Wi-Fi connectivity, which allows you to control the purifier with a smartphone or some other mobile device. It also lets you turn the purifier in your home on or off from any location, even if you’re on the other side of the world.

LEVOIT Air Purifier for Home with H13 True HEPA Filter Cleaner for Allergies and Pets, Smokers, Mold, Pollen, Dust, Quiet Odor Eliminators for Bedroom, Vital 100, 1-Pack, White
The washable pre-filter traps hair and lint and should be cleaned once a month.LEVOIT

HEPA filters are great for contaminants, but they aren’t enough to take on foul smells. To remove odors from pets, cooking, mold and smoke as well as volatile organic compounds from paints, varnishes, glues and various other items, you’ll need a carbon activated filter. Just don’t forget that it needs to be replaced once every three to six months, while HEPA filters can go for one year to 18 months.

HoMedics TotalClean Tower Air Purifier for Viruses, Bacteria, Allergens, Dust, Germs, HEPA Filter, UV-C Technology, 5-in-1 Purifying with Ionizer, Carbon Odor Filter for Large Rooms, Home Office, White
It has a sanitizer that kills harmful bacteria and includes essential oil pads.Homedics

Ionizers produce negatively charged ions, which attract positively charged ions, including allergens and dust. No matter what kind of purifier you use, make sure it’s suited for the size of your room to generate enough airflow.

Hathaspace Smart True HEPA Air Purifier for Home, 5-in-1 Large Room Air Cleaner for Allergies, Pets, Asthma, Smokers – Filters 99.97% of Allergens, Dust, Pet Hair, Pollen, Smoke, Odors
When it’s in auto mode, a smart sensor can detect changes in the level of pollution and adjust the fan speed accordingly.Hathaspace

Although air purifiers can work perfectly fine without it, getting one with Wi-Fi capability will give you valuable information about the effectiveness of the device. The apps include real-time reporting on the air quality via minute-by-minute updates. You’ll always know how clean the air inside your home is, no matter where you are.

Also Consider

Alen BreatheSmart FLEX Air Purifier for Rooms up to 700 Sqft, H13 True HEPA, SleepScore Validated, Removes Allergens, Dust, Dander while Eliminates Bacteria, Germs, Mold, Odor from Smoke, in White
On turbo speed, it can clean a 700-square-foot area once every 30 minutes.Alen
Bissell air400 Professional Air Purifier with HEPA and Carbon Filters for Large Room and Home, Quiet Bedroom Air Cleaner for Allergies, Pets, Dust, Dander, Pollen, Smoke, Hair, Odors, Smart
Good for spaces of up to 1,200 square feet, it has a PM 2.5 sensor that monitors, reports and responds to changes in atmosphere quality by adjusting fan speed.Bissell
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