Best Air Purifiers for 800 Square Feet

It is often hardest to shop for air filters for medium-sized rooms. You don’t want to pay too much for an overpowered purifier, but at the same time, you don’t want to pay less only to be left with less than adequate room coverage. But we have you covered. In the following review, we will highlight the best air purifiers for 800 square feet.

The Best Air Purifier for 800 Sq. Ft. Comparison


  • Bronchitis/cold relief 
  • Breathe easier 
  • Get more restful sleep
  • Cool Mist
  • Affordable Price


  • Bronchitis/cold relief
  • Fights dry skin & wrinkles
  • Good for Insomnia
  • Cool Mist
  • 360 degree humidification


  • Add your favorite essential oils
  • Reduce viruses and bacteria
  • Great for chest congestion
  • Sleep better
  • Cough/bronchitis relief

Best Air Purifier for 800 Square Feet Reviews

Alen BreatheSmart 45i Air Purifier

A less powerful brother of the 75i, the BreatheSmart 45i delivers all the same air purification features in a more affordable package. Perfect for rooms around 800 square feet, this device cleans air in an 800 square foot space very quickly on Turbo Mode. It doesn’t consume much energy even when in turbo mode either – around just 36 watts! The quiet sleep mode is also great for waking up to fresher air without being disturbed in the night.

  • Comes in a variety of colors
  • Perfect for mid-size rooms
  • Produces very little ozone
RabbitAir MinusA2 Air Purifier

If you suffer from asthma or seasonal allergies and need a purifier to cover 800 square feet of space, this one is perfect for you. It’s actually certified by the Asthma and Allergy Foundation of America. You can set it on auto mode and it will operate the fan based on the presence of allergens in the air. It features a true HEPA filter, ideal for allergy and asthma sufferers. It covers up to 815 square feet, weighs only 10lbs and it comes with mounts so you can even attach it to the wall!

  • Very compact and lightweight
  • Indicator light will tell you when it’s time to change the filter
  • Wall-mountable so it doesn’t need to take up floor space
Alen BreatheSmart FIT50 Air Purifier

We liked that the BreatheSmart FIT50 gives the option of manually choosing fan speeds and timing (2, 4 and 12 hour increments) or setting it on auto mode. More often than not, we opted for the auto mode and still felt the positive difference in air quality. It features an ionizer which is great for neutralizing mold, bacteria, and chemical pollutants in the air. This model covers 900 square feet of space for about the same price as the other entries on our list.

  • Comes with a lifetime warranty
  • Offers a max of 231 CFM, perfect for 800 square foot rooms
  • Runs very quietly

What to Look for in an Air Purifier for 800 Sq. Ft.

Choosing an air purifier for an 800 square foot space specifically can be tricky. So in general, you should look for the following features:

  1. Air coverage rating of no more than 1,200 square feet
  2. Multi-stage fan operation
  3. Compact size of no more than 30 inches high and 18 inches wide

Benefits of Air Purifiers for 800 Square Feet

The benefits of selecting an air purifier specifically for 800 square foot spaces are economical and health-related. First of all, a mid-capacity air purifier will run you about $200 cheaper than a high-capacity unit that you wouldn’t need for an 800 square foot space in the first place. Air purifiers can also be very effective for keeping mid-sized rooms clean and dust-free which may limit the risk of respiratory complications and irritation.

FAQ’s – Frequently Asked Questions

Will a small air purifier work in a large room? 

Not necessarily. Smaller air purifiers may only cover the immediate area around them and not provide enough coverage for an 800 square foot space.

How do I know if my air purifier is working? 

Check the filters. If you see debris in the filters, then you know it is taking in and filtering air. The air will also feel cleaner, easier to breathe and fresher if it is working properly.

Do air purifiers work with windows open? 

Yes, but not as well. They have to work harder when a continuous flow of new air is being fed into a room as opposed to being left to purify a static space.

Final Thoughts

The purifiers we have covered would be perfect for any 800 square foot room. Ultimately, your lifestyle, personal preferences and existing medical conditions will determine which one is best for you. But this is a great start for anyone. Take a closer look at them today!

Also, check out our other room coverage air purifiers below: 

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