Best Air Purifier for 1200+ Sq. Ft. Extra Large Rooms

Do you have a large space that needs clean air? If so, be sure to check the fine print on any air purifier you are thinking of buying. Not all air purifiers work in large areas. Even some that advertise a coverage area of 1,200 square feet doesn’t work so well. That is why we have composed the following review of the best air purifiers for 1200+ square foot extra-large rooms. Only the best large-capacity air purifiers made the top 3 cuts so take a look at what we found.

The Best Air Purifier for 1200+ Square Feet

BEST PRICE

  • 1300+ Sq. Ft. Room Coverage 
  • Very Large Spaces
  • Reduce dust, mold, etc
  • Improve sleep
  • Affordable Price

OUR PICK

  • 1,256 sq. ft. Room Coverage
  • Extra Large Rooms
  • Remove bacteria, pollen, etc
  • Reduce allergy/cold symptoms
  • 360 degree humidification

ALSO GREAT

  • 1,238 sq. ft. Room Coverage
  • Extra Large Rooms
  • Remove dust, germs, etc
  • Relief from allergies
  • Cough/bronchitis relief

Best Air Purifier for 1200+ sq. ft. Extra Large Rooms & Very Large Spaces

We tested the BreatheSmart 75i in a huge 3 car garage that smelled of must and mildew. After running it over one night, there was a noticeable difference in the smell. The filters are infused with activated carbon which considerably freshens the air even in large spaces. It is rated to clean the air in areas of up to 1,300 square feet.

  • Lifetime warranty
  • Effective for removing volatile organic compounds from the air
  • Comes in a variety of colors

With a very powerful 5-speed fan, the Coway Airmega 300 delivers clean air in areas of up to 1,200 square feet. The true HEPA and activated carbon filters work in tandem to remove dust particles in the air and eliminate mild odors. There is an auto mode that turns the fan on when too many contaminants are detected in the air. This is one of the most powerful air purifiers we found that is still EnergyStar rated and consumes just 56 watts of power at max capacity.

  • Warranty covers malfunctions for a year and electrical problems for 5 years
  • Worked great between a kitchen and family room that totals 940 square feet
  • It can be controlled with Smart apps and devices

IQAir HealthPro Compact Air Purifier

If you know IQAir already, then you know that their purifiers are big, serious, powerful and hefty. But they have addressed the needs of those with minimal free space who still want powerful purification with the HealthPro Compact. It’s 25lbs, 24 x 16 x 15 inches and can purify air in rooms up to 1,200 square feet! Like other IQAir models, the HealthPro compact delivers medical-grade purification with their Hyper HEPA filter that filters out particles as small as 0.003 microns. This is a great unit if you have pets, suffer from allergies and need large areas of air purified.

  • Drastically reduces the amount of dust in the air of large rooms
  • Great for trapping pet dander
  • Can be easily moved from room to room

Extra Large Room Air Purifier Comparison

Air PurifierRoom Coverage
Alen BreatheSmart 75i1300 sq. ft.
Coway Airmega 3001256 sq. ft.
IQAir HealthPro Compact 1238 sq. ft.

What to Look for in an air purifier for extra-large rooms (1200+ Square feet)

Again, not all air purifiers are rated for large rooms. Take a look at the following list of features to keep an eye out for when shopping for a large-capacity air purifier:

  1. Air moving capability of at least 100CFM per 250 square feet of space
  2. 1,200+ square foot air purification rating
  3. True HEPA filter

Benefits of an Air Purifier for 1200+ Square Foot Very Large Spaces

Large rooms can house a lot of dander, dust, allergens, germs, and viruses. A high-capacity purifier with at least a true HEPA filter will reduce the health risks posed by these airborne contaminants. If you have pets that stay in a large garage or living room while you are at work every day, it can help them breathe healthier air as well.

FAQ’s – Frequently Asked Questions

Will a small air purifier work in a large room?

Size is not always an indicator of capability. Some small purifiers are actually rated for large 1,000+ square foot areas. Still, some large purifiers were designed for small spaces. Be sure to check the specs before you buy to make sure.

Where should I place my air purifier? 

Be sure to place it somewhere that gives it clearance on all sides of at least 6 inches from any wall or obstruction. This will ensure maximum efficiency and effectiveness as airflow will not be restricted.

How long does it take an air purifier to clean a room?

Most models make a tangible difference after just a half hour. Still, some require 2 hours of continuous operation.

Closing Words

The bottom line is that large rooms need large-capacity air purifiers. There’s no way around it. But if you want clean air for your large areas, any of the models listed above are solid choices. It is a worthwhile investment in yours and your family’s health and happiness.

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